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SEMICONDUCTOR
TECHNICAL DATA
THREE TERMINAL NEGATIVE VOLTAGE REGULATORS -5V, -8V, -12V, -15V. KIA79M Series of three-terminal regulators is available with fixed output voltages of -5V, -8V, -12V, and -15V. These devices need only one external component-a compensation capacitor at the output. The KIA79MXX series is packaged in the DPAK power package, and is capable of supplying 0.5A of output current. These regulators employ internal current limiting, safe area protection, and thermal shutdown for protection against virtually all overload conditions. Low ground pin current of the KIA79MXX series allows output voltage to be easily boosted above the preset value with a resistor divider. The low quiescent current of these devices with a specified maximum change with line and load ensures good regulation in the voltage boosted mode.
KIA79M05F~KIA79M15F
BIPOLAR LINEAR INTEGRATED CIRCUIT
A C
I J
H F 1 2 F 3
P L
DIM A B C D E F H I J K L M O P Q
MILLIMETERS _ 6.60 + 0.2 _ 6.10 + 0.2 _ 5.0 + 0.2 _ 1.10 + 0.2 _ 2.70 + 0.2 _ 2.30 + 0.1 1.00 MAX _ 2.30 + 0.2 _ 0.50 + 0.1 _ 2.00 + 0.20 _ 0.50 + 0.10 _ 0.91 + 0.10 _ 0.90 + 0.1 _ 1.00 + 0.10 0.95 MAX
B K E M Q
D
1. GND 2. INPUT 3. OUTPUT
FEATURES
Thermal, Short Circuit and Safe Area Protection. High Ripple Rejection. 0.5A Output Current 4% Tolerance on Preset Output Voltage.
DPAK
MAXIMUM RATINGS (Ta=25
CHARACTERISTIC Input Voltage TC=25 Power Dissipation Without Heatsink Operating Junction Temperature Storage Temperature Soldering Temperature (10 seconds)
)
SYMBOL VIN PD Tj Tstg Tsol RATING -35 12 1.3 -40 150 -55 150 260 W UNIT V
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R15 R18 R22 Q22 R23 Q24 Q21 R16 Q 29 R1 Q18 Q 20 Q30 R14 R17 R20 R19 Q2 Q3 Q25 Q31 Q 23 Q19 R21 Q28 Q17
GND
KIA79M05F~KIA79M15F
R13
R12
R24 Q12 Q26-1 R25 Q26 Q 27-1 Q27 Q13
R11
Q7 R0 Q5 Q6 R2 R3 Q9 R4 R5 Q10 Q8 C2 C1 R7 R6 Q11 R9 Q14
R10
OUTPUT
Q15
Q4
Q16
R8
EQUIVALENT CIRCUIT
INPUT
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KIA79M05F~KIA79M15F
ELECTRICAL CHARACTERISTICS KIA79M05F (unless otherwise specified : VIN=-10V, IOUT=350mA, CIN=0.33 F, COUT=1 F)
CHARACTERISTIC SYMBOL Tj=25 Output Voltage VO 5mA IO 350mA, -7V VIN -25V -7V Line Regulation VReg Line -8V Load Regulation Quiescent Current VReg Load IB 5mA Tj=25 5mA Quiescent Current Change IB -8V Output Noise Voltage Ripple Rejection Dropout Voltage Short Circuit Current Output Voltage Drift VNO RR VD ISC V O/ T VIN -25V 55 40 60 1.1 800 -0.5 0.4 mA V dB V mA mV/ IO 350mA VIN IO -18V, Tj=25 500mA, Tj=25 2 30 4 30 100 6 0.4 mV mA mA VIN -25V, Tj=25 TEST CONDITION MIN. -4.8 -4.75 TYP. -5.0 -5.0 7 MAX. -5.2 V -5.25 50 mV UNIT
f=10Hz 100kHz, Tj=25 f=120Hz, -8V VIN IO=500mA, Tj=25 Tj=25 IO=5mA, Tj=0 125 -18V
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KIA79M05F~KIA79M15F
ELECTRICAL CHARACTERISTICS KIA79M08F (unless otherwise specified : VIN=-14V, IOUT=350mA, CIN=0.33 F, COUT=1 F)
CHARACTERISTIC SYMBOL Tj=25 Output Voltage VO 5mA IO 350mA, -10V VIN -25V -10V Line Regulation VReg Line -11V Load Regulation Quiescent Current VReg Load IB 5mA Tj=25 5mA Quiescent Current Change IB -10V Output Noise Voltage Ripple Rejection Dropout Voltage Short Circuit Current Output Voltage Drift VNO RR VD ISC V O/ T VIN -25V 55 60 60 1.1 800 -0.65 0.4 mA V dB V mA mV/ IO 350mA VIN IO -21V, Tj=25 500mA, Tj=25 2 30 4 50 160 6 0.4 mV mA mA VIN -25V, Tj=25 TEST CONDITION MIN. -7.7 -7.6 TYP. -8.0 -8.0 7 MAX. -8.3 V -8.4 80 mV UNIT
f=10Hz 100kHz, Tj=25 f=120Hz, -11V VIN -21V
IO=500mA, Tj=25 Tj=25 IO=5mA, Tj=0 125
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KIA79M05F~KIA79M15F
ELECTRICAL CHARACTERISTICS KIA79M12F (unless otherwise specified : VIN=-19V, IOUT=350mA, CIN=0.33 F, COUT=1 F)
CHARACTERISTIC SYMBOL Tj=25 Output Voltage VO 5mA IO 350mA, -14.5V VIN -27V -14.5V VIN Line Regulation VReg Line -15V VIN Load Regulation Quiescent Current VReg Load IB 5mA Tj=25 5mA Quiescent Current Change IB -14.5V VIN Output Noise Voltage Ripple Rejection Dropout Voltage Short Circuit Current Output Voltage Drift VNO RR VD ISC V O/ T -30V 55 75 60 1.1 800 -0.8 0.4 mA V dB V mA mV/ IO 350mA IO -25V, Tj=25 500mA, Tj=25 3 30 4 50 240 6 0.4 mV mA mA -30V, Tj=25 TEST CONDITION MIN. -11.5 -11.4 TYP. -12 -12 5 MAX. -12.5 V -12.6 80 mV UNIT
f=10Hz 100kHz, Ta=25 f=120Hz, -15V VIN IO=500mA, Tj=25 Tj=25 IO=5mA, Tj=0 125 -25V
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KIA79M05F~KIA79M15F
ELECTRICAL CHARACTERISTICS KIA79M15F (unless otherwise specified : VIN=-23V, IOUT=350mA, CIN=0.33 F, COUT=1 F)
CHARACTERISTIC SYMBOL Tj=25 Output Voltage VO 5mA IO 350mA, -18V VIN -30V -17.5V Line Regulation VReg Line -18V Load Regulation Quiescent Current VReg Load IB 5mA Tj=25 5mA Quiescent Current Change IB -17.5V Output Noise Voltage Ripple Rejection Dropout Voltage Short Circuit Current Output Voltage Drift VNO RR VD ISC V O/ T VIN -30V 55 90 60 1.1 800 -1.0 0.4 mA V dB V mA mV/ IO 350mA VIN IO -28V, Tj=25 500mA, Tj=25 3 30 4 50 240 6 0.4 mV mA mA VIN -30V, Tj=25 TEST CONDITION MIN. -14.4 -14.25 TYP. -15 -15 5 MAX. -15.6 V -15.75 80 mV UNIT
f=10Hz 100kHz, Ta=25 f=120Hz, -18V VIN -30V
IO=500mA, Tj=25 Tj=25 IO=5mA, Tj=0 125
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KIA79M05F~KIA79M15F
OUTPUT VOLTAGE vs TEMPERATURE
OUTPUT VOLTAGE (NORMALIZED) 1.01 1.005 1.00 0.995 0.990 1.01 1.005 1.00 0.995 0.990 -50 -25 0 25
VOUT =-5V VOUT =-12V, -15V
RIPPLE REJECTION
100 RIPPLE REJECTION (dB)
VOUT =-12V -15V VIN -VOUT =5V T j =25 C C OUT =1F SOLID TANTALUM
80
60
VOUT =-5V
40
20 50 75 100 125 150 0.01k 0.1k 1k FREQUENCY (Hz) 10k 100k JUNCTION TEMPERATURE ( C)
OUTPUT IMPEDANCE
10 1 INPUT-OUTPUT VOLTAGE (V) OUTPUT IMPEDANCE ()
I OUT =100mA VIN - VOUT =5V Tj =25 C C OUT =5F ACUMINUM
MINIMUM INPUT-OUTPUT DIFFERENTIAL
2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0 0.1 0.2 0.3 0.4 0.5 OUTPUT CURRENT (A)
Tj =0 C T j =125 C T j =25 C
10 0
C OUT =1.0F SOLID TANTALUM
10 -1
C OUT =10F SOLID TANTALUM
10 -2 0.01K
0.1K
1K
10K
100K
1M
FREQUENCY (Hz)
INPUT VOLTAGE
1.3 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 1.25 1.2 1.15 1.1 1.05 1.0
Tj =125 C T j =25 C
QUIESCENT CURRENT vs LOAD CURRENT
1.4 1.3 1.2 1.1 1.0 0.9 0.8 0 0 0.1 0.2 0.3 0.4 0.5
T j =125 C T j =0 C T j =25 C
0.95 0.9 5 10 15 20 25 30 35 40 INPUT VOLTAGE (V)
OUTPUT CURRENT (A)
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KIA79M05F~KIA79M15F
1.50 SHORT-CIRCUIT CURRENT (A) 1.25 1.0
T j =0 C
ALLOWABLE POWER DISSIPATION PD (W)
SHORT-CIRCUIT CURRENT
P D - Ta
15
Tc=25 C THERMAL RESISTANCE J-C 10.4 J-A 96.1 C/W
12 9 6 3 0 0 40 80
0.75 0.50 0.25 0 0 5 10 15 20 25 (V) 30 35 40 VIN - V OUT
T j =25 C Tj =125 C
WITHOUT HEAT SINK
120
160
200
AMBIENT TEMPERATURE Ta ( C)
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KIA79M05F~KIA79M15F
Design Considerations
The KIA79MXX fixed voltage regulator series have thermal overload protection from excessive power, internal short circuit protection which limits the circuit's maximum current, and output transistor safe-area compensation for reducing the output current as the voltage across the pass transistor is increased. Although the internal power dissipation is limited, the junction temperature must be kept below the maximum specified temperature in order to meet data sheet specifications. To calculate the maximum junction temperature or heat sink required, the following thermal resistance values should be used ; PACKAGE DPAK Tjmax - Ta
JC+ CA JC
Typical Applications
Bypass capacitors are necessary for stable operation of the KIA79MXX series of regulators over the input voltage and output current ranges. Output bypass capacitors will improve the transient response of the regulator. The bypass capacitors (2.2 F on the input, 1.0 F on the output), Should be ceramic or solid tantalum which have good high frequency characteristics. If aluminum electrolytics are used, their values should be 10 F or larger. The bypass capacitors should be mounted with the shortest leads, and if possible, directly across the regulator terminals.
JA
( /W) 10.4
(
/W)
Fixed Regulator
96.1
+ -
C1 (1) 2.2F
+ -
C 2 (2) 1F
PDMAX =
or
Input
KIA79MXX
Output
=
Tjmax - Ta
JA
(Without a Heat Sink)
(1) Required if regulator is separated from filter capacitor by more than 3. For value given, capacitor must be solid tantalum. 25 F aluminum electrolytic may be substituted. (2) Required for stability. For value given, capacitor must be solid tantalum. 25 F aluminum electrolytic may be substituted.
CA= CS+ SA
Solving for TJ : TJ = TA+PD ( = TA=+PD Where TJ = Junction Temperature TA = Ambient Temperature PD = Power Dissipation
JC CA CS SA JC+ CA)
or
Values given may be increased without limit. For output capacitance in excess of 100 F, a high current diode from input to output (1N4001, etc.) will protect the regulator from momentary input shorts.
Varlable Output
JA (Without a Heat Sink)
= Junction to Case Thermal Resistance = Case to Ambient Thermal Resistance = Case to Heak Sink Thermal Resistance = Heat Sink to Ambient Thermal Resistance
C1 2.2F SOLID TANTALUM
+ -
C3 25F
+ -
C3 * 25F
R1
+ C2 1F SOLID TANTALUM
JA = Junction to Ambient Thermal Resistance
R2 INPUT KIA79MXX OUTPUT
* Improves transient response and ripple rejection. Do not increase beyond 50 VOUT=VSET ( R1+R2 R2 300 470 750 1k ) F.
Select R2 as follows : KIA79M05 KIA79M08 KIA79M12 KIA79M15
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Revision No : 2
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