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ETR0328_009
GENERAL DESCRIPTION
The XC6221 series is a high accuracy, low noise, high speed, low dropout CMOS regulator with high ripple rejection. The series includes a reference voltage source, an error amplifier, a current limiter, and a phase compensation circuit. The CE function enables the entire circuit to be in stand-by state by inputting low level signal. In this stand-by mode, the electric charge at the output capacitor (CL) will be discharged by the internal auto-discharge switch, and as a result the VOUT pin quickly returns to the VSS level. The output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors. Output voltage is selectable in 0.05V increments within a range of 0.8V~5.0V, using the laser trimming technology set in factory. The current limiter's fold-back circuit also operates as a short circuit protection and an output current limiter at the output pin. The series achieves a fast response with only 25A of low power consumption. Also the series has low dropout voltage characteristics, which is 80mV at IOUT=100mA and VOUT=3.0V. With the use of small USP-4 and ultra small USPN-4 packages, a small footprint circuit can be designed.
APPLICATIONS
Cellular phones Cordless phones Wireless communication equipment Portable games Cameras, VCRs Portable AV equipment PDAs
FEATURES
: 200mA :80mV@ IOUT=100mA,VOUT=3.0V : 1.6V ~ 6.0V : 0.8V~5.0V (0.05V increments) : +2% (VOUT >1.5V) (+1% option is available) +30mV (VOUT1.45V) (+20mV option is available) Low Power Consumption : 25A (TYP.) Stand-by Current : Less than 0.1A High Ripple Rejection : 70dB @ 1kHz Operating Temperature : -40~85 Low ESR Capacitor : 1.0F ceramic capacitor CL High-Speed Auto-Discharge (XC6221B) CE Pin internally pulled-down Low Output Noise Ultra Small Packages : USP-4, SOT-25, SSOT-24 USPN-4 Output Current Dropout Voltage Operating Voltage Range Output Voltages Accuracy
TYPICAL APPLICATION CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
Load Transient Response
XC6221x182 VIN=CE=2.8V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 1.8 Output Voltage: V OUT (V) 1.7 1.6 Output Current 1.5 1.4 1.3 Time (500us/div) 100 50 0 250 200 Output Current: OUT (mA) I
1.9
300
150
1/23
XC6221 Series
PIN CONFIGURATION
VOUT 5 VSS 2 VOUT 1 3 CE 4 VIN 1 VIN 2 VSS 3 CE 1 CE 2 VSS NC 4 VIN 4 VOUT 3
USP-4 USP-4 (BOTTOM VIEW) (BOTTOM VIEW)
SOT-25 SOT-25 (TOP VIEW) (TOP VIEW)
SSOT-24 SSOT-24 (TOP VIEW) (TOP VIEW)
VSS 2 VOUT 1
3 CE 4 VIN
USPN-4 (BOTTOM VIEW)
USPN-4 (BOTTOM VIEW)
*The heat dissipation pad of the USP-4 package is recommended to solder as the recommended mount pattern and metal mask pattern for mounting strength. The mount pattern should be electrically opened or connected to the VSS (No.2) pin.
PIN ASSIGNMENT
PIN NUMBER USP-4 4 1 2 3 SOT-25 1 5 2 3 4 SSOT-24 4 3 2 1 USPN-4 4 1 2 3 PIN NAME VIN VOUT VSS CE NC FUNCTIONS Power Input Output Ground ON/OFF Control No Connection
2/23
XC6221
Series
PRODUCT CLASSIFICATION
Ordering Information XC6221 -(*1) DESIGNATOR DESCRIPTION SYMBOL A Type of Regulator (All CE high active) B C D Output Voltage 08 ~ 40 2 DESCRIPTION No CE pull-down resistor without CL auto discharge No CE pull-down resistor with CL auto discharge CE pull-down resistor without CL auto discharge CE pull-down resistor with CL auto discharge ex.) VOUT(T) = 3.0V = 3, = 0 +30mV @ 0.8VVOUT(T)1.40V When 0.1V steps such as VOUT(T)=0.8V =0, =8, =2 +2% @ VOUT(T)>1.5V When 0.1V steps such as VOUT(T)=1.5V =1, =5, =2 +30mV @ 0.85VVOUT(T)1.45V When 0.05V steps such as VOUT(T)=0.85V =0, =8, =A +2% @ VOUT(T)>1.55V When 0.05V steps such as VOUT(T)=1.55V =1, =5, =A +20mV @ 0.8VVOUT(T)1.90V When 0.1V steps such as VOUT(T)=0.8V =0, =8, =1 +1% @ VOUT(T)>2.0V When 0.1V steps such as VOUT(T)=2.0V =2, =0, =1 +20mV @ 0.85VVOUT(T)1.95V When 0.05V steps such as VOUT(T)=0.85V =0, =8, =B +1% @ VOUT(T)>2.0V When 0.05V steps such as VOUT(T)=2.05V =2, =0, =B USP-4 USP-4 (Halogen & Antimony free) SOT-25 SOT-25 (Halogen & Antimony free) SSOT-24 SSOT-24 (Halogen & Antimony free) USPN-4 (Halogen & Antimony free)
A Output Accuracy 1
B GR GR-G - Packages Taping Type (*2) MR MR-G NR NR-G 7R-G
* For the USPN-4 package, 0.8VVOUT(T)1.15V is under development.
(*1) (*2)
The "-G" suffix indicates that the products are Halogen and Antimony free as well as being fully RoHS compliant. The device orientation is fixed in its embossed tape pocket. For reverse orientation, please contact your local Torex sales office or representative. (Standard orientation: R-, Reverse orientation: L-)
3/23
XC6221 Series
BLOCK DIAGRAMS
CE
ON/OFF Control
V IN
CE
ON/OFF Control
V IN
CE CE/
Error Amp
Current Limit
CE CE/
Error Amp
Current Limit
each circuit
+
V OUT
R1
each circuit
+
V OUT
R1 Rdischg
CE/
R2
R2
Voltage Reference
V SS
Voltage Reference
V SS
XC6221A Series XC6221A
XC6221B Series XC6221B
CE
R Pull -down
ON/OFF Control
V IN
CE
R Pull -down
ON/OFF Control
VIN
CE CE/
Error Amp
Current Limit
CE CE/
Error Amp
Current Limit
each circuit
+
V OUT
R1
each circuit
+
VOUT
R1 Rdischg
CE/
R2
R2
Voltage Reference
V SS
Voltage Reference
V SS
XC6221C Series XC6221C
*Diodes inside the circuit are an ESD protection diode and a parasitic diode.
XC6221D Series XC6221D
ABSOLUTE MAXIMUM RATINGS
PARAMETER Input Voltage Output Current Output Voltage CE Input Voltage USP-4 SOT-25 Power Dissipation SSOT-24 USPN-4 Operating Temperature Range Storage Temperature Range *1 IOUT=Less than Pd / (VIN-VOUT) SYMBOL VIN IOUT VOUT VCE Pd Topr Tstg RATINGS VSS -0.3 ~ +6.5 400(*1) VSS - 0.3 ~ VIN + 0.3 VSS - 0.3 ~ +6.5 120 250 150 100 - 40 ~ + 85 - 55 ~ +125 Ta=25 UNITS V mA V V mW
4/23
XC6221
Series
ELECTRICAL CHARACTERISTICS
XC6221A/BC/D series
PARAMETER Output Voltage (Standard) SYMBOL VOUT(E)
(* 2)
Ta=25 CONDITIONS 1.5V(* 2)
MIN. x 0.98
(*3)
TYP. VOUT(T)
(*4)
MAX. x 1.02
(*3)
UNITS CIRCUIT V
-0.03
(*3)
+0.03
(*3)
Output Voltage (High Accuracy) Output Current Load Regulation Dropout Voltage (*5) Supply Current Standby Current
2.0Vx 0.99
(*3)
x 1.01 VOUT(T)
(*4) (*3)
-0.02
(*3)
+0.02
(*3)
V
IOUTMAX VOUT Vdif ISS ISTBY
VCE=VIN, VIN=VOUT(T)+1.0V, 0.8V200 -
250 10 E-2
40
mA mV mV

-
25 0.01
50 0.10
A A
VOUT(T)+0.5VVIN6.0V VOUT / 1.1VOUT(T), VCE=VIN, IOUT=10mA Line Regulation ( VINVOUT) 1.6VVIN6.0V VOUT(T)1.05V, VCE=VIN, IOUT=10mA Input Voltage VIN Output Voltage VOUT / VCE=VIN, Temperature Characteristics ( TaVOUT) IOUT=30mA, -401.6 -
0.01 100
0.20 6.0 -
%/V V ppm/

60
-
-
dB
70
200 1.2 -0.1 1.03 -0.1 -
250 30 780
6.0 0.3 0.1 2.37 0.1 -
mA mA V V A A

NOTE: * 1: Unless otherwise stated regarding input voltage conditions, VIN=VOUT(T)1.0V. * 2: VOUT (E) = Effective output voltage (Refer to the voltage chart E-0 and E-1) (I.e. the output voltage when HS mode and an amply stabilized "VOUT (T) 1.0V" is provided at the VIN pin while maintaining a certain IOUT value.) * 3: The relation between VOU T (E) and VOUT (T) is shown in the voltage chart E-0 and E-1. * 4: VOUT (T) = Nominal output voltage (*7) (*6) * 5: Vdif = {VIN1 -VOUT1 } * 6: VOUT1 is the voltage equal to 98% of the normal output voltage when amply stabilized VOUT (T) +1.0V are input at the VIN pin. * 7: VIN1 is the input voltage when VOUT1 appears at the VOUT pin while input voltage is gradually decreased. * 8: For the XC6221B series only. The XC6221A series discharges by resistors R1 and R2 only as shown in the block diagrams. * 9: For operating supply current of the XC6221C/D, a current through the pull-down resistor should be considered in addition to the supply current value mentioned above.
5/23
XC6221 Series
OUTPUT VOLTAGE CHART
SYMBOL NOMINAL OUTPUT VOLTAGE (V) VOUT(T)
0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95
E-0 OUTPUT VOLTAGE Standard +2% (V) VOUT(E) MIN.
0.7700 0.8200 0.8700 0.9200 0.9700 1.0200 1.0700 1.1200 1.1700 1.2200 1.2700 1.3200 1.3700 1.4200 1.4700 1.5200 1.5700 1.6200 1.6700 1.7200 1.7700 1.8200 1.8700 1.9200 1.9600 2.0090 2.0850 2.1070 2.1560 2.2050 2.2540 2.3030 2.3520 2.4010 2.4500 2.4990 2.5480 2.5970 2.6460 2.6950 2.7440 2.7930 2.8420 2.8910
E-1 OUTPUT VOLTAGE High Accuracy +1% (V) VOUT(E) MAX.
0.8300 0.8800 0.9300 0.9800 1.0300 1.0800 1.1300 1.1800 1.2300 1.2800 1.3300 1.3800 1.4300 1.4800 1.5300 1.5800 1.6300 1.6800 1.7300 1.7800 1.8300 1.8800 1.9300 1.9800 2.0400 2.0910 2.1420 2.1930 2.2440 2.2950 2.3460 2.3970 2.4480 2.4990 2.5500 2.6010 2.6520 2.7030 2.7540 2.8050 2.8560 2.9070 2.9580 3.0090
E-2 DROPOUT VOLTAGE Vdif (mV) Vdif MAX.
0.8200 0.8700 0.9200 0.9700 1.0200 1.0700 1.1200 1.1700 1.2200 1.2700 1.3200 1.3700 1.4200 1.4700 1.5200 1.5700 1.6200 1.6700 1.7200 1.770 1.8200 1.8700 1.9200 1.9700 2.0200 2.0705 2.1210 2.1715 2.2220 2.2725 2.3230 2.3735 2.4240 2.4745 2.5250 2.5755 2.6260 2.6765 2.7270 2.7775 2.8280 2.8785 2.9290 2.9795 95 170 115 195 125 210 160 250 200 160 360 290 230 410 330 650
MIN.
0.7800 0.8300 0.8800 0.9300 0.9800 1.0300 1.0800 1.1300 1.1800 1.2300 1.2800 1.3300 1.3800 1.4300 1.4800 1.5300 1.5800 1.6300 1.6800 1.7300 1.7800 1.8300 1.8800 1.9300 1.9800 2.0295 2.0790 2.1285 2.1780 2.2275 2.2770 2.3265 2.3760 2.4255 2.4750 2.5245 2.5740 2.6235 2.6730 2.7225 2.7720 2.8215 2.8710 2.9205
TYP.
500 410
MAX.
850 750
6/23
XC6221
Series
OUTPUT VOLTAGE CHART (Continued)
SYMBOL NOMINAL OUTPUT VOLTAGE (V) VOUT(T)
3.00 3.05 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 4.05 4.10 4.15 4.20 4.25 4.30 4.35 4.40 4.45 4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00
E-0 OUTPUT VOLTAGE Standard +2% (V) VOUT(E) MIN.
2.9400 2.8990 3.0380 3.0870 3.1360 3.1850 3.2340 3.2830 3.3320 3.3810 3.4300 3.4790 3.5280 3.5770 3.6260 3.6750 3.7240 3.7730 3.8220 3.8710 3.9200 3.9690 4.0180 4.0670 4.1160 4.1650 4.2140 4.2630 4.3120 4.3610 4.4100 4.4590 4.5080 4.5570 4.6060 4.6550 4.7040 4.7530 4.8020 4.8510 4.9000
E-1 OUTPUT VOLTAGE High Accuracy +1% (V) VOUT(E) MAX.
3.0600 3.1100 3.1620 3.2130 3.2640 3.3150 3.3660 3.4170 3.4680 3.5190 3.5700 3.6210 3.6720 3.7230 3.7740 3.8250 3.8760 3.9270 3.9780 4.0290 4.0800 4.1310 4.1820 4.2330 4.2840 4.3350 4.3860 4.4370 4.4880 4.5390 4.5900 4.6410 4.6920 4.7430 4.7940 4.8450 4.8960 4.9470 4.9980 5.0490 5.1000
E-2 DROPOUT VOLTAGE Vdif (mV)
Vdif
MIN.
2.9700 3.0195 3.0690 3.1185 3.1680 3.2175 3.2670 3.3165 3.3660 3.4155 3.4650 3.5145 3.5640 3.6135 3.6630 3.7125 3.7620 3.8115 3.8610 3.9105 3.9600 4.0095 4.0590 4.1085 4.1580 4.2075 4.2570 4.3065 4.3560 4.4055 4.4550 4.5045 4.5540 4.6035 4.6530 4.7025 4.7520 4.8015 4.8510 4.9005 4.9500
MAX.
3.0300 3.0805 3.1310 3.1815 3.2320 3.2825 3.3330 3.3835 3.4340 3.4845 3.5350 3.5855 3.6360 3.6855 3.7370 3.7875 3.8380 3.8885 3.9390 3.9895 4.0400 4.0905 4.1410 4.1915 4.2420 4.2925 4.3430 4.3935 4.4440 4.4945 4.5450 4.5955 4.6460 4.6965 4.7470 4.7975 4.8480 4.8985 4.9490 4.9995 5.0500
TYP.
MAX.
80
140
* For the USPN-4 package, 0.8VVOUT(T)1.15V is under development.
7/23
XC6221 Series
OPERATIONAL EXPLANATION
The voltage divided by resistors R1 & R2 is compared with the internal reference voltage by the error amplifier. The P-channel MOSFET connected to the VOUT pin, is then driven by the subsequent output signal. The output voltage at the VOUT pin is controlled & stabilized by a system of negative feedback. The current limit circuit and short protect circuit operate in relation to the level of output current. Further, the IC's internal circuitry can be shutdown via the CE pin's signal.
CE
ON/OFF Control
VIN
CE CE/
Error Amp
Current Limit
+
each circuit
R1 Rdischg
VOUT
CE/
R2
Voltage Reference
VSS
The XC6221 needs an output capacitor CL for phase compensation. Values required for the phase compensation are shown in the chart below. If a loss of the capacitance happens, the stable phase compensation may not be obtained. Please ensure to use a capacitor which does not depend on bias or temperature too much. For a stable power input, please connect an input capacitor CIN of 1.0F between the VIN pin and the VSS pin. Except USPN-4 OUTPUT VOLTAGE (V) 0.8V1.15V 1.2V1.35V 1.4V4.0V 4.05V5.0V USPN-4 OUTPUT VOLTAGE (V) 1.2V4.0V 4.05V5.0V
OUTPUT CAPACITOR VALUE CL CL CL CL 4.7F 2.2F 1.0F 2.2F
OUTPUT CAPACITOR VALUE CL 2.2F CL 4.7F
XC6221B/D series can discharge the electric charge in the output capacitor (CL), when a low signal to the CE pin, which enables the whole IC circuit to be turned off, is inputted via the N-channel transistor located between the VOUT pin and the VSS pin (cf. BLOCK DIAGRAM). The CL auto-discharge resistance value is set at 780(VOUT=4.0V @ VIN=6.0V at typical). The discharge time of the output capacitor (CL) is set by the CL auto-discharge resistance (R) and the output capacitor (CL). By setting the time constant of the CL auto-discharge resistance value [RDCHG] and the output capacitor value (CL) as (=C x RDCHG), the output voltage after discharge via the N-channel transistor is calculated by the following formula. -t/ V = VOUT(E) x e , or t=In ( V / VOUT(E) ) where V : Output voltage after discharge VOUT (E) : Output voltage t : Discharge time : CL auto-discharge resistance RDCHGxOutput capacitor (CL) value C)
8/23
XC6221
Series
OPERATIONAL EXPLANATION (Continued)
The XC6221 series' fold-back circuit operates as an output current limiter and a short protection circuit for the output pin. When the load current reaches the current limit level, the fixed current limiter circuit operates and output voltage drops. When the output pin is short-circuited to the VSS pin, the current falls and reaches about 30mA. The XC6221 internal circuitry can be shutdown via the CE pin signal. In shutdown mode, output at the VOUT pin will be pulled down to the VSS level via R1 & R2. However, with the XC6221B/D series, the CL auto-discharge resistor is connected in parallel to R1 and R2 while the power supply is applied to the VIN pin. Therefore, time until the VOUT pin reaches the VSS level is shorter. For the XC6221A/B, the output voltage becomes unstable, when the CE pin is left open. For the XC6221C/D, the output voltage becomes VSS level because the CE pin is short-circuited to VSS via an internal pull-down resistor. However, the CE input current will be increased via a pull-down resistor when the IC operates. If this IC is used with the correct output voltage for the CE pin, the logic is fixed and the IC will operate normally. However, the supply current may increase as a result of shoot-through current in the IC's internal circuitry when a medium voltage is input.
NOTES ON USE
1. Please use this IC within the stated absolute maximum ratings. The IC is liable to malfunction should the ratings be exceeded. 2. Where wiring impedance is high, operations may become unstable due to noise and/or phase lag depending on output current. Please wire the input capacitor (CIN) and the output capacitor (CL) as close to the IC as possible.
9/23
XC6221 Series
TEST CIRCUITS
Circuit 1: Output Voltage, Output Current, Dropout Voltage, Input/Operating Voltage, Line Regulation, Load Regulation, Current Limit, Short Current, CL Discharge Resistance
Circuit 2: Supply Current, Stand-by Current XC6221A/B series
XC6221C/D series
10/23
XC6221
Series
TEST CIRCUITS (Continued)
Circuit 3: Ripple Rejection Rate
Circuit 4: CE "H" "L" Level Voltage, CE "H" "L" Level Current
11/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS
(1) Output Voltage vs. Output Current
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 2.4 XC6221x182 VIN=CE=2.8V CIN=CL=1.0uF (ceramic)
2.4
Output Voltage: V OUT (V)
1.2
Output Voltage: V OUT (V)
1.8
1.8
1.2
0.6
VIN=1.9V VIN=1.9V VIN=2.8V VIN=2.8V VIN=6.0V VIN=6.0V
0.6
Topr=25 Topr=-40 Topr=85
0 0 100 200 300 400 Output Current: IOUT (mA)
XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
0 0 100 200 300 400 Output Current: IOUT (mA)
XC6221x302 VIN=CE=4.0V CIN=CL=1.0uF (ceramic)
3.5 3 2.5 2 1.5 1 0.5 0 0 100 200
3.5 3 Output Voltage: V OUT (V) 2.5 2 1.5 1 0.5 0
Output Voltage: V OUT (V)
VIN=3.1V VIN=3.1V VIN=4.0V VIN=4.0V VIN=6.0V VIN=6.0V
Topr=25 Topr=-40 Topr=85
300
400
0
100
200
300
400
Output Current: IOUT (mA)
Output Current: IOUT (mA)
(2) Output Voltage vs. Input Voltage
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 1.9 1.85 Output Voltage: V OUT (V) 1.8 1.75 1.7 1.65 1.6 1 1.5 2 Input Voltage: V IN (V) 2.5 3 4 4.5 5 Input Voltage: V IN (V) 5.5 6 XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
2 1.9 Output Voltage: V OUT (V) 1.8 1.7 1.6 1.5 1.4
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA IOUT=100mA IOUT=100mA
IOUT=100mA IOUT=100mA
12/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(2) Output Voltage vs. Input Voltage (Continued)
XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
3.2 3.1 3 2.9 2.8 2.7 2.6 2.5 2 2.5 3
3.1 3.05 Output Voltage: V OUT (V) 3 2.95 2.9 2.85 2.8
Output Voltage: V OUT (V)
IOUT=1mA IOUT=1mA IOUT=10mA IOUT=10mA IOUT=30mA IOUT=30mA
IIOUT=1mA OUT=1mA IIOUT=10mA OUT=10mA IIOUT=30mA OUT=30mA IIOUT=100mA OUT=100mA
IOUT=100mA IOUT=100mA
3.5 4 4 4.5 5
5.5
6
Input Voltage: V IN (V)
Input Voltage: V IN (V)
(3) Dropout Voltage vs. Output Current
XC6221x182 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic) 0.4 0.35 Topr=85 Topr=25 0.25 0.2 0.15 0.1 0.05 0 0 50 100 150 200 Output Current: IOUT (mA) Topr=-40 Dropout Voltage: Vdif (V) 0.3 0.25 0.2 0.15 0.1 0.05 0 0 50 100 150 200 Output Current: IOUT (mA) Topr=85 Topr=25 Topr=-40 XC6221x302 CE=VIN, Topr=25 CIN=CL=1.0uF (ceramic)
0.4 0.35 Dropout Voltage: Vdif (V) 0.3
(4) Output Voltage vs. Ambient Temperature
XC6221x182 VIN=CE=2.8V, IOUT=30mA CIN=CL=1.0uF (ceramic) XC6221x302 VIN=CE=4.0V, IOUT=30mA CIN=CL=1.0uF (ceramic)
1.9
3.1
Output Voltage:V OUT (V)
1.85
Output Voltage: V OUT (V)
3.05
1.8
3
1.75
2.95
1.7 -50
-25
0
25
50
75
100
2.9 -50
-25
0
25
50
75
100
Ambient Temperature: Topr ( )
Ambient Temperature: Topr ( )
13/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(5) Supply Current vs. Input Voltage
XC6221x182 70 60 Supply Current: ISS (uA) 50 40 30 20 10 0 0 1 2 3 4 5 6 Input Voltage: V IN (V) CE=VIN, CIN=CL=1.0uF (ceramic) 70 60 Supply Current: ISS (uA) 50 40 30 20 10 0 0 1 2 3 4 5 6 Input Voltage:V IN (V) XC6221x302 CE=VIN, CIN=CL=1.0uF (ceramic)
Topr=85 Topr=25 Topr=-40
Topr=85 Topr=25 Topr=-40
(6) CL-Discharge Resistance vs. Ambient Temperature
XC6221B V IN=6.0V, CE=V SS, V OUT =4.0V CIN=CL=1.0uF (ceramic)
1200 CL-Discharge Resistance: Rdischg () 1000 800 600 400 200 0 -50
-25
0
25
50
75
100
Ambient Temperature: Topr ()
(7) Load Transient Response
XC6221x182 VIN=CE=2.8V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 1.8 Output Voltage: V OUT (V) 1.7 1.6 Output Current 1.5 1.4 1.3 Time (500us/div) 100 50 0 250 Output Current: OUT (mA) I 200 Output Voltage: V OUT (V) 3 2.9 2.8 Output Current 2.7 2.6 2.5 Time (500us/div) 100 50 0 XC6221x302 VIN=CE=4.0V, Tr=Tf=5us Topr=25, CIN=CL=1uF (ceramic) Output Voltage 250 200 150 Output Current: OUT (mA) I
1.9
300
3.1
300
150
14/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(8) Line Transient Response
XC6221x182 CE=V IN, Tr=Tf=5us IOUT =1mA, Topr=25, CL=1uF (ceramic) Input Voltage 4 Input Voltage: V IN (V) 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 1.95 Output Voltage:V OUT (V) Input Voltage:V IN (V) 1.9 1.85 4 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 XC6221x182 CE=VIN, Tr=Tf=5us IOUT=30mA, Topr=25, CL=1uF (ceramic) Input Voltage
5
2
5
2 1.95 1.9 1.85 Output Voltage: V OUT (V)
XC6221x182 CE=VIN, Tr=Tf=5us IOUT=100mA, Topr=25, CL=1uF (ceramic) 5 Input Voltage 4 Input Voltage: V IN (V) 3 2 Output Voltage 1 0 -1 Time (20us/div) 1.8 1.75 1.7 1.95 Output Voltage: V OUT (V) 1.9 1.85 Input Voltage: V IN (V) 5 4 3 2 6
XC6221x302 CE=VIN,Tr=Tf=5us IOUT=1mA, Topr=25, CL=1uF (ceramic) 3.2 Input Voltage 3.15 3.1 3.05 Output Voltage 2 1 0 Time (20us/div) 3 2.95 2.9 Output Voltage:V OUT (V)
XC6221x302 CE=VIN, Tr=Tf=5us IOUT=30mA, Topr=25, CL=1uF (ceramic) Input Voltage 5 Input Voltage: V IN (V) 4 3 Output Voltage 2 1 0 Time (20us/div) 3 2.95 2.9 3.15 Output Voltage: V OUT (V) Input Voltage: V IN (V) 3.1 3.05 5 4 3 2 1 0
XC6221x302 CE=VIN, Tr=Tf=5us IOUT=100mA, Topr=25, CL=1uF (ceramic) Input Voltage 3.15 3.1 3.05 Output Voltage 3 2.95 2.9 Time (20us/div) Output Voltage: V OUT (V)
6
3.2
6
3.2
15/23
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(9) Input Rise Characteristics
XC6221x182xx CE=VIN, Tr=5us IOUT=1mA, Topr=25, CL=1.0uF (ceramic) Input Voltage XC6221x182xx CE=VIN, Tr=5us IOUT=30mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 6 Output Voltage:V OUT (V) 5 4 3 Output Voltage 2 1 0 Time (40us/div) 3 2 1 0 Output Voltage -1 -2 -3 Time (40us/div) 2 1 0 6 Output Voltage:V OUT (V)
Output Voltage: V OUT (V)
4 3 2 1 0 -1 -2 -3
7
4
7
Input Voltage: V IN (V)
Input Voltage: V IN (V)
5 4 3
XC6221x182 CE=VIN, Tr=5us IOUT=100mA, Topr=25, CL=1.0uF (ceramic) Input Voltage
XC6221x302 CE=VIN, Tr=5us IOUT=1mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 6 Output Voltage: V OUT (V) 5 4 3 4 3 Input Voltage: V IN (V) 2 1 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0 7 Output Voltage: V OUT (V)
8 7 6 5 4 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0
4 3 2 1 0 -1 -2 -3
7
5
8
6 5 4
Input Voltage: V IN (V)
Output Voltage
2 1 0
Time (40us/div)
XC6221x302 CE=VIN, Tr=5us IOUT=30mA, Topr=25, CL=1.0uF (ceramic) Input Voltage 4 3 Input Voltage: V IN (V) 2 1 Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0 7 Output Voltage: V OUT (V) 6 5 4 4 3 Input Voltage: V IN (V) 2 1
XC6221x302 CE=VIN, Tr=5us IOUT=100mA, Topr=25, CL=1.0uF (ceramic) Input Voltage
5
8
5
16/23
XC6221
Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(10) CE Rise Characteristics
XC6221x182 VIN=2.8V, Tr=5us IOUT=1mA, Topr=25, CIN=CL=1.0uF (ceramic) XC6221x182 VIN=2.8V, Tr=5us IOUT=30mA, Topr=25, CIN=CL=1.0uF (ceramic)
5 4 CE Input Voltage: VCE (V) 3 2 1 0 -1 -2 -3
8 7
5 4 CE Input Voltage: VCE (V) Output Voltage: V OUT (V) 3 2 1 0 -1 -2 -3
8 7
CE Input Voltage
5 4 3 Output Voltage 2 1 0 Time (40us/div)
5 4 3 Output Voltage 2 1 0 Time (40us/div)
XC6221x182 VIN=2.8V, Tr=5us IOUT=100mA, Topr=25, CIN=CL=1.0uF (ceramic)
XC6221x302 VIN=4.0V, Tr=5us IOUT=1mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage
5 4 CE Input Voltage: VCE (V) 3 2 1 0 -1 -2 -3
8 7
5 4 CE Input Voltage: VCE (V) Output Voltage: V OUT (V) 3 2 1 0 -1 -2 -3
8 7 Output Voltage: V OUT (V)
8 7 Output Voltage: V OUT (V) 6 5 4 3 2 1 0
CE Input Voltage
6 5 4 3
6 5 4 3 2 1 0 Time (40us/div)
Output Voltage
Output Voltage
2 1 0
Time (40us/div)
XC6221x302 VIN=4.0V, Tr=5us IOUT=30mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage
XC6221x302 VIN=4.0V, Tr=5us IOUT=100mA, Topr=25, CIN=CL=1.0uF (ceramic) CE Input Voltage:
5 4 CE Input Voltage: VCE (V) 3 2 1
8 7 CE Input Voltage: VCE (V) Output Voltage V OUT (V) 6 5 4
5 4 3 2 1
Output Voltage 0 -1 -2 -3 Time (40us/div) 3 2 1 0
Output Voltage 0 -1 -2 -3 Time (40us/div)
17/23
Output Voltage: V OUT (V)
6
CE Input Voltage
6
XC6221 Series
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(11) Ripple Rejection Rate
XC6221x182 VIN=CE=2.8VDC+0.5Vp-pAC, IOUT=30mA, Topr=25, CL=1.0uF (ceramic) XC6221x302 V IN=CE=4.0V DC+0.5Vp-pAC, IOUT =30mA, Topr=25, CL=1.0uF (ceramic)
80 Ripple Rejection Rate: RR (dB) Ripple Rejection Rate: RR (dB) 70 60 50 40 30 20 10 0 0.01
80
RippleRejection Rate: RRRR (dB) Ripple Rejection Rate: (dB)
0.1 1 10 100 1000
70 60 50 40 30 20 10 0 0.01
0.1
1
10
100
1000
Ripple Frequency: f (kHz)
Ripple Frequency: f (kHz)
18/23
XC6221
Series
PACKAGING INFORMATION
USP-4 SOT-25
* Soldering f illet surf ace is not f ormed because the sides of the pins are plated.
SSOT-24
USPN-4
1.25 -0.1
+0.2
2.10.3
0.90.1
1.1MAX
0.3 -0.2
+0
19/23
XC6221 Series
PACKAGING INFORMATION (Continued)
USP-4 Reference Pattern Layout USP-4 Reference Metal Mask Design
USPN-4 Reference Pattern Layout
USPN-4 Reference Metal Mask Design
0.25
20/23
0.4
0.45
0.6
XC6221
Series
MARKING RULE
SOT-25 / USP-4
5
Represents product series MARK PRODUCT SERIES XC6221****** XC6221S*****
4
1
4 3
3
1
2 3 SOT-25 (TOP VIEW)
2
USP-4 (TOP VIEW)
Represents type of regulator MARK OUTPUT VOLTAGE 0.1V INCREMENTS
VOUT =0.83.0V VOUT =3.15.0V
OUTPUT VOLTAGE 0.05V INCREMENTS
VOUT =0.853.05V VOUT =3.154.95V
PRODUCT SERIES XC6221A***** XC6221B*****
V X
A B
E F
L M
Custom productsRepresents last 1 digits of registered serial number. 0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted) ex.) CUSTOM PRODUCTS MARK 0 SERIAL 01 PRODUCT SERIES XC6221S01XM*
Represents output voltage MARK 0 1 2 3 4 5 6 7 8 9 A B C D E 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 OUTPUT VOLTAGE (V) 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 0.85 0.95 1.05 1.15 1.25 1.35 1.45 1.55 3.15 3.25 3.35 3.45 3.55 3.65 3.75 3.85 3.95 4.05 4.15 4.25 4.35 4.45 4.55 MARK F H K L M N P R S T U V X Y Z 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 OUTPUT VOLTAGE (V) 4.6 4.7 4.8 4.9 5.0 1.65 1.75 1.85 1.95 2.05 2.15 2.25 2.35 2.45 2.55 2.65 2.75 2.85 2.95 3.05 4.65 4.75 4.85 4.95 -
Custom productsRepresents last 1 digits of registered serial number. 0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted) ex.) CUSTOM PRODUCTS MARK 0 SERIAL 01 PRODUCT SERIES XC6221S01XM*
Represents production lot number 01, ..., 09, 10, 11, ...99, 0A, ...,0Z, 1A, ... 9Z, A0, ..., Z9, AA, ..., ZZ repeated. (G, I, J, O, Q, W excepted) *No character inversion used.
21/23
XC6221 Series
MARKING RULE (Continued)
SSOT-24
4

USPN-4
3
1 2
4 3
1 2 SSOT-24 (TOP VIEW)
USPN-4 TOP VIEW
Represents product series MARK OUTPUT VOLTAGE 0.1V INCREMENTS
VOUT =0.83.0V VOUT =3.14.0V
OUTPUT VOLTAGE 0.05V INCREMENTS
VOUT =0.853.05V VOUT=3.153.95V
PRODUCT SERIES XC6221A***** XC6221B*****
9 B Represents output voltage MARK 0 1 2 3 4 5 6 7 8 9 A B C D E 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
D F
A C
E H
* For the USPN-4 package, 0.8VVOUT(T)1.15V is under development.
OUTPUT VOLTAGE (V) 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 0.85 0.95 1.05 1.15 1.25 1.35 1.45 1.55 3.15 3.25 3.35 3.45 3.55 3.65 3.75 3.85 3.95 -
MARK F H K L M N P R S T U V X Y Z 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0
OUTPUT VOLTAGE (V) 1.65 1.75 1.85 1.95 2.05 2.15 2.25 2.35 2.45 2.55 2.65 2.75 2.85 2.95 3.05 -
Represents production lot number 01, ..., 09, 10, 11, ..., 99, 0A, ..., 0Z, 1A, ..., 9Z, A0, ..., Z9, AA, ..., ZZ repeated. (G, I, J, O, Q, W excepted) *No character inversion used.
22/23
XC6221
Series
1. The products and product specifications contained herein are subject to change without notice to improve performance characteristics. Consult us, or our representatives before use, to confirm that the information in this datasheet is up to date. 2. We assume no responsibility for any infringement of patents, patent rights, or other rights arising from the use of any information and circuitry in this datasheet. 3. Please ensure suitable shipping controls (including fail-safe designs and aging protection) are in force for equipment employing products listed in this datasheet. 4. The products in this datasheet are not developed, designed, or approved for use with such equipment whose failure of malfunction can be reasonably expected to directly endanger the life of, or cause significant injury to, the user. (e.g. Atomic energy; aerospace; transport; combustion and associated safety equipment thereof.) 5. Please use the products listed in this datasheet within the specified ranges. Should you wish to use the products under conditions exceeding the specifications, please consult us or our representatives. 6. We assume no responsibility for damage or loss due to abnormal use. 7. All rights reserved. No part of this datasheet may be copied or reproduced without the prior permission of TOREX SEMICONDUCTOR LTD.
23/23

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