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'2001.8.27
LOW NOISE 150mA LDO REGULATOR
R1113Z SERIES
s OUTLINE
The R1113Z Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON-resistance, and high ripple rejection. Each of these ICs consists of a voltage reference unit, an error amplifier, resistors, a current limit circuit, and a chip enable circuit. These ICs perform with low dropout voltage and a chip enable function. The line transient response and load transient response of the R1113Z Series are excellent, thus these ICs are very suitable for the power supply for hand-held communication equipment. The output voltage of these ICs is fixed with high accuracy. Since the package for these ICs is WL-CSP (Wafer Level CSP), high density mounting of the ICs on boards is possible.
s FEATURES
Ultra-Low Supply Current......................................... Typ. 100A Standby Mode ........................................................... Typ. 0.1A Low Dropout Voltage ................................................ Typ. 0.23V(IOUT=100mA 3.0V Output type) High Ripple Rejection ............................................... Typ. 80dB(f=1kHz 3.0V Output type) Low Temperature-Drift Coefficient of Output Voltage Typ. 100ppm/C Excellent Line Regulation ......................................... Typ. 0.05%/V High Output Voltage Accuracy.................................. 2.0% Excellent Dynamic Response Small Package ..........................................................WL-CSP(Wafer Level CSP) Output Voltage...........................................................Stepwise setting with a step of 0.1V in the range of 2.0V to 5.0V is possible Built-in Chip Enable Circuit ( 2 types; A: active low , B: active high) Built-in Fold Back Protection Circuit........................Typ. 30mA (Current at short mode) Ceramic capacitors are recommended to be used with this IC
s APPLICATIONS
Power source for cellular phones such as GSM, CDMA and various kinds of PCS. Power source for electrical appliances such as cameras, VCRs and camcorders. Power source for battery-powered equipment.
Rev. 1.11
-1-
s BLOCK DIAGRAM
R1113ZXX1A R1113ZXX1B
3 VDD +
Vref
2 VOUT
3 VDD +
Vref Current Limit
2 VOUT
CE 4
Current Limit
1 GND
CE 4
1 GND
Rev. 1.11
-2-
s SELECTION GUIDE
The output voltage, the active type, the packing type, and the taping type for the ICs can be selected at the user's request. The selection can be made with designating the part number as shown below; R1113XXX1X-XX Part Number abcd Code a b c d Contents Designation of Package Type : Z:WL-CSP(Wafer Level CSP) Setting Output Voltage (VOUT) : Stepwise setting with a step of 0.1V in the range of 2.0V to 5.0V is possible. Designation of Active Type : A : active low type B : active high type Designation of Taping Type : Ex. TR, TL (refer to Taping Specifications; TR type is the standard direction.)
s PIN CONFIGURATION
WL-CSP 4Pin
3 VDD
4 CE
4
3
2 VOUT
1 GND
1 Top View
2
Botom View
s PIN DESCRIPTION
Pin No. 1 2 3 4 Symbol GND VOUT VDD CE or CE Description Ground Pin Output pin Input Pin Chip Enable Pin
Rev. 1.11
-3-
s ABSOLUTE MAXIMUM RATINGS
Item Input Voltage Input Voltage( CE or CE Pin) Output Voltage Output Current Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VIN VCE VOUT IOUT PD Topt Tstg Rating 7.0 -0.3 ~ VIN+0.3 -0.3 ~ VIN+0.3 200 190 -40 ~ 85 -55 ~ 125 Unit V V V mA mW C C
s ELECTRICAL CHARACTERISTICS
q R1113ZXX1A Symbol VOUT IOUT VOUT/IOUT VDIF ISS Istandby VOUT/VIN RR VIN VOUT/T Ilim RPU VCEH VCEL Item Conditions MIN. TYP. VIN = Set VOUT+1V VOUT x0.98 1mA IOUT 30mA VIN - VOUT = 1.0V 150 VIN = Set VOUT+1V 20 45 mV 1mA IOUT 80mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE VIN = Set VOUT+1V 100 170 A VIN = VCE = Set VOUT+1V 0.1 1.0 A Set VOUT+0.5V VIN 8V 0.05 0.20 %/V IOUT = 30mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 2.0 6.0 V ppm IOUT = 30mA 100 /C -40C Topt 85C VOUT = 0V 30 mA 2.5 5 10 M 1.5 VIN V 0 0.25 V BW=10Hz to 100kHz 30 Vrms Topt=25C MAX. Unit VOUT V x1.02 mA
Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-up Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise
en
Rev. 1.11
-4-
q
R1113ZXX1B Symbol VOUT IOUT VOUT/IOUT VDIF ISS Istandby VOUT/VIN RR VIN VOUT/T Ilim RPD VCEH VCEL
Item
Output Voltage Output Current Load Regulation Dropout Voltage Supply Current Supply Current (Standby) Line Regulation Ripple Rejection Input Voltage Output Voltage Temperature Coefficient Short Current Limit CE Pull-down Resistance CE Input Voltage "H" CE Input Voltage "L" Output Noise
en
q
Conditions MIN. TYP. VIN = Set VOUT+1V VOUT x0.98 1mA IOUT 30mA VIN - VOUT = 1.0V 150 VIN = Set VOUT+1V 20 45 mV 1mA IOUT 80mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE VIN = Set VOUT+1V 100 170 A VIN = Set VOUT+1V 0.1 1.0 A VCE=GND Set VOUT+0.5V VIN 8V 0.05 0.20 %/V IOUT = 30mA Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE 2.0 6.0 V ppm IOUT = 30mA 100 /C -40C Top t 85C VOUT = 0V 30 mA 2.5 5 10 M 1.5 VIN V 0 0.25 V BW=10Hz to 100kHz 30 Vrms
Topt=25C MAX. Unit VOUT V x1.02 mA
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE Topt = 25C Output Voltage VOUT (V) 2.0 VOUT 2.3 2.4 VOUT 2.7 2.8 VOUT 5.0 Dropout Voltage VDIF (V) Condition TYP. 0.25 IOUT = 100mA 0.24 0.23
MAX. 0.35 0.29 0.26 Topt = 25C
Output Voltage VOUT (V) 2.0 VOUT 4.0 4.1 VOUT 5.0
Ripple Rejection RR (dB) Condition TYP. 80 f = 1kHz, Ripple 0.5Vp-p VIN = Set VOUT+1V 70
MAX.
Rev. 1.11
-5-
s OPERATION
R1113ZXX1A R1113ZXX1B
3 VDD +
Vref R1 R2
2 VOUT
3 VDD +
Vref Current Limit R1 R2
2 VOUT
CE 4
Current Limit
1 GND
CE 4
1 GND
In these ICs, fluctuation of output voltage, VOUT is detected by feedback registers R1, R2, and the result is compared with a reference voltage by the error amplifier, so that a constant voltage is output. A current limit circuit for protection in short mode and a chip enable circuit, are included.
Rev. 1.11
-6-
s TECHNICAL NOTES
When using these ICs, consider the following points: Phase Compensation In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, use a capacitor COUT with good frequency characteristics and ESR (Equivalent Series Resistance). We use Ceramic Capacitors for evaluation of these ICs. Recommended Capacitors; GRM40X5R225K6.3 (Murata) GRM40-034X5R335K6.3 (Murata) GRM40-034X5R475K6.3 (Murata) (Note: When the additional ceramic capacitors are connected to the output pin with an output capacitor for phase compensation, the operation might be unstable. Because of this, test these ICs with as same external components as ones to be used on the PCB.) PCB Layout Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result. Connect a capacitor with a capacitance value as much as 2.2F or more between VDD and GND pin, and as close as possible to the pins. Set external components, especially the output capacitor, as close as possible to the ICs, and make wiring as short as possible.
Rev. 1.11
-7-
s TEST CIRCUITS
4 4
3
R1113Zxx1B Series
2
3
R1113Zxx1B Series
2
1
1
2.2F
2.2F
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
4 3 4 3
CE
IN
VDD 3 1
VOUT
R1113Zxx1B R1111Nxx1B Series Series
2 5
OUT IOUT
IN
VDD 3 1
VOUT
R1113Zxx1B R1111Nxx1B Series Series
2 5
OUT
P.G
1 2
1 2
GND
1F 2.2F
GND
I1
I2
Fig.3 Ripple Rejection, Line Transient Response Test Circuit
Fig.4 Load Transient Response Test Circuit
Rev. 1.11
-8-
s TYPICAL APPLICATION
CE CE
IN
R1113Zxx1A VDD Series R1111NXX1A VOUT
OUT
IN
VDD
R1113Zxx1B R1111Nxx1B VOUT Series
OUT
Cap.
GND
Cap.
Cap.
GND
Cap.
(External Components) Output Capacitor; Ceramic 2.2F (Set Output Voltage in the range from 2.6 to 5.0V) Ceramic 4.7F (Set Output Voltage in the range from 2.0 to 2.5V) Input Capacitor; Ceramic 2.2F
Rev. 1.11
-9-
s TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1113Z201B
Topt=25C
2.5 Output Voltage Vout[V] 2 1.5 1
Vin=2.3V
R1113Z301B
3.5 Output Voltage Vout[V] 3 2.5 2 1.5 1 0.5 0 0 100 200 300 400 500 Output Current Iout[mA]
R1113Z501B
Vin=3.3V Vin=3.5V Vin=4.0V Vin=5.0V
0.5 0 0 100 200 300 400 Output Current Iout[mA]
R1113Z401B
Vin=2.5V Vin=3.0V Vin=4.0V
500
5 Output Voltage Vout[V]
6 Output Voltage Vout[V] 5 4 3 2 1 0 0 100 200 300 400 Output Current Iout[mA] 500
Vin=5.3V Vin=5.5V Vin=6.0V Vin=7.0V
4 3 2
Vin=4.3V
1 0 0 100 200 300 400 Output Current Iout[mA]
Vin=4.5V Vin=5.0V Vin=6.0V
500
2)
Output Voltage vs. Input Voltage
R1113Z201B
Topt=25C
R1113Z301B
2.2 Output Voltage Vout[V] Output Voltage Vout[V] 2 1.8 1.6 1.4 1.2 1 1 2 3 4 5 Input Voltage Vin[V] 6 7
Iout=1mA Iout=30mA Iout=50mA
3.2 3 2.8 2.6 2.4 2.2 2 1 2 3 4 5 Input Voltage Vin[V] 6 7
Iout=1mA Iout=30mA Iout=50mA
Rev. 1.11
- 10 -
R1113Z401B
R1113Z501B
4.2 Output Voltage Vout[V]
Output Voltage Vout[V]
5.2 5 4.8 4.6 4.4 4.2 4
Iout=1mA Iout=30mA Iout=50mA
4
3.8 3.6 3.4 3.2 3 1 2 3 4 5 Input Voltage Vin[V] 6 7
Iout=1mA Iout=30mA Iout=50mA
1
2
3 4 5 Input Voltage Vin[V]
6
7
3) Dropout Voltage vs. Output Current
R1113Z201B 0.6 Dropout Voltage Vdif[V] 0.5 0.4 0.3 0.2 0.1 0.0 0 50 100 Output Current Iout[mA] R1113Z401B 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0 50 100 Output Current Iout[mA] 150 0.6 150 0.6 R1113Z301B
Dropout Voltage Vdif[V]
Topt=-40C Topt=25C Topt=85C
0.5 0.4 0.3 0.2 0.1 0.0 0
Topt=-40C Topt=25C Topt=85C
50 100 Output Current Iout[mA] R1113Z501B
150
Dropout Voltage Vdif[V]
Dropout Voltage Vdif[V]
Topt=-40C Topt=25C Topt=85C
0.5 0.4 0.3 0.2 0.1 0.0 0
Topt=-40C Topt=25C Topt=85C
50 100 Output Current Iout[mA]
150
Rev. 1.11
- 11 -
3)
Output Voltage vs. Temperature
Vin=3.0V Iout=30mA
Vin=4.0V
R1113Z201B 2.04 Output Voltage Vout[V] 2.03 2.02 2.01 2.00 1.99 1.98 1.97 1.96 -50 -25
R1113Z301B 3.06 3.04 Output Voltage Vout[V] 3.02 3.00 2.98 2.96 2.94
Iout=30mA
0 25 50 75 (C) Temperature Topt R1113Z401B
100
-50
-25
0 25 50 75 Temperature Topt (C)
Vin=6.0V
100
Vin=5.0V Iout=30mA
R1113Z501B 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 -50 -25
Iout=30mA
4.08 Output Voltage Vout[V] Output Voltage Vout[V] 4.06 4.04 4.02 4.00 3.98 3.96 3.94 3.92 -50
4)
-25
0 25 50 75 (C) Temperature Topt
100
0 25 50 75 Temperature Topt(C)
100
Supply Current vs. Input Voltage
R1113Z201B 100
Topt=25C
R1113Z301B
100 Supply Current Iss{uA]
1 2 3 4 5 6 7
Supply Current Iss{uA]
80 60 40 20 0 Input Voltage Vin[V]
80 60 40 20 0 1 2 3 4 5 Input Voltage Vin[V] 6 7
Rev. 1.11
- 12 -
R1113Z401B
R1113Z501B
100 Supply Current Iss{uA] Supply Current Iss{uA] 1 2 3 4 5 Input Voltage Vin[V] 6 7 80 60 40 20 0
100 80 60 40 20 0 1 2 3 4 5 Input Voltage Vin[V] 6 7
5)
Supply Current vs. Temperature
R1113Z201B 200
Vin=3.0V
200 Supply Current Iss[uA]
R1113Z301B
Vin=4.0V
Supply Current Iss[uA]
150
150
100
100
50
50
0 -50 -25 0 25 50 75 100 Temperature Topt(C) R1113Z401B 200 Supply Current Iss[uA] Supply Current Iss[uA]
Vin=5.0V
0 -50 -25 0 25 50 75 Temperature Topt(C) R1113Z501B 200
Vin=6.0V
100
150
150
100
100 50
50
0 -50 -25 0 25 50 75 Temperature Topt (C) 100
0 -50 -25 0 25 50 75 Temperature Topt (C) 100
Rev. 1.11
- 13 -
6)
Dropout Voltage vs. Set Output Voltage
R1113Zxx1B
0.5 Dropout Voltage Vdif[V] 0.4 0.3 0.2 0.1 0.0 0.0 1.0 2.0 3.0 4.0 Set Output Voltage Vreg[V] 5.0
25mA 50mA 100mA 150mA
7)
Ripple Rejection vs. Frequency
R1113Z201B R1113Z301B
Vin=3.0V+0.5Vp-p Cout=ceramic 4.7F
120 Ripple Rejection RR [dB] 100 80 60
Iout=1mA
90 80 Ripple Rejection RR [dB] 70 60 50 40 30 20 10 0
Vin=4.0V+0.5Vp-p Cout=ceramic 2.2F
40 20 0 0.1
Iout=30mA Iout=50mA
Iout=1mA Iout=30mA Iout=50mA
1 10 Frequency [kHz]
R1113Z401B
Vin=5.0V+0.5Vp-p
100
0.1
1 10 Frequency [kHz]
R1113Z501B Vin=6.0V+0.5Vp-p
100
90 80 Ripple Rejection RR [dB] 70 60 50 40 30 20 10 0 0.1
Iout=1mA Iout=30mA Iout=50mA
Cout=ceramic 2.2F
70 Ripple Rejection RR [dB] 60 50 40 30 20 10 0
Cout=ceramic 2.2F
Iout=1mA Iout=30mA Iout=50mA
1 10 Frequency [kHz]
100
0.1
1 10 Frequency [kHz]
100
Rev. 1.11
- 14 -
8)
Ripple Rejection vs. Input Voltage (DC bias)
R1113Z301B
Iout=1mA Cout = ceramic 2.2F
R1113Z301B Iout=30mA
90 80 70 60 50 40 30 20 10 0 3.1
80 Ripple Rejection RR[dB] 70 60 50 40 30 20 10 0 3.1
Cout=ceramic 2.2F
Ripple Rejection RR[dB]
f=400Hz f=1kHz f=10kHz
f=400Hz f=1kHz f=10kHz
3.2 3.3 3.4 Input Voltage Vin[V]
R1113Z301B Iout=50mA
3.5
3.2 3.3 3.4 Input Voltage Vin[V]
3.5
80 Ripple Rejection RR[dB] 70 60 50 40 30 20 10 0 3.1
Cout=ceramic 2.2F
f=400Hz f=1kHz f=10kHz
3.2 3.3 3.4 Input Voltage Vin[V]
3.5
10) Input Transient Response R1113Z201B Topt=25C
VIN
VOUT
VIN=3.0V<-->4.0V IOUT=30mA CIN =none COUT=4.7F tr/tf=5s
Rev. 1.11
- 15 -
R1113Z301B
Topt=25C
VIN
VOUT
VIN=4.0V<-->5.0V IOUT=30mA CIN =none COUT=2.2F tr/tf=5s
R1113Z401B
Topt=25C
VIN
VOUT
VIN=5.0V<-->6.0V IOUT=30mA CIN =none COUT=2.2F tr/tf=5s
R1113Z501B
Topt=25C
VIN
VOUT
VIN=6.0V<-->7.0V IOUT=30mA CIN =none COUT=2.2F tr/tf=5s
Rev. 1.11
- 16 -
11) Load Transient Response R1113Z201B Topt=25C
IOUT
VOUT
IOUT=50mA<-->100mA VIN=3.0V CIN=2.2F COUT=4.7F tr/tf=5s
R1113Z301B
Topt=25C
IOUT
VOUT
IOUT=50mA<-->100mA VIN=4.0V CIN=2.2F COUT=2.2F tr/tf=5s
R1113Z401B
Topt=25C
IOUT
VOUT
IOUT=50mA<-->100mA VIN=5.0V CIN=2.2F COUT=2.2F tr/tf=5s
Rev. 1.11
- 17 -
R1113Z501B
Topt=25C
IOUT
VOUT
IOUT=50mA<-->100mA VIN=6.0V CIN=2.2F COUT=2.2F tr/tf=5s
Rev. 1.11
- 18 -
s TECHNICAL NOTES
When using these ICs, consider the following points: In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, use a capacitor COUT with good frequency characteristics and ESR (Equivalent Series Resistance) of which is in the range described as follows:
4
CE
VOUT
2
R1113ZXX1B
Ceramic Cap.
Ceramic Cap. ESR IOUT
Spectrum Analyzer
3
S.A.
VIN
1
GND
VIN
Measuring Circuit for white noise; R1113ZXX1B The relations between IOUT (Output Current) and ESR of an output capacitor are shown below. The conditions when the white noise level is under 40V(Avg.) are marked as the hatched area in the graph. (Note: If additional ceramic capacitors are connected to the Output Pin with Output capacitor for phase compensation, the operation might be unstable. Because of this, test these ICs with as same external components as ones to be used on the PCB.) (1) VIN=VOUT+1V (2) Frequency Band: 10Hz to 1MHz (3) Temperature: 25C R1113Z201B
Cout=2.2uF,Cin=2.2uF
R1113Z201B
Cout=4.7uF,Cin=2.2uF
100 10 ESR[Ohm] 1 0.1 0.01 0.001 0 30 60 90 Iout[mA] 120 150
ESR[Ohm]
100 10 1 0.1 0.01 0.001 0 30 60 90 Iout[mA] 120 150
Rev. 1.11
- 19 -
R1113Z301B
Cout=2.2uF,Cin=2.2uF
R1113Z301B
Cout=4.7uF,Cin=2.2uF
100 10 ESR[Ohm] 1 0.1 0.01 0.001 0 30 60 90 Iout[mA] 120 150
ESR[Ohm]
100 10 1 0.1 0.01 0.001 0 30 60 90 Iout[mA] 120 150
Rev. 1.11
- 20 -

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