CNTK 79L15, 79L24, 79L18, 79L12, 79L09 Datasheet
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79LXX LINEAR INTEGRATED CIRCUIT
1
3-TERMINAL 0.1A NEGATIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek79LXX family is monolithic fixed voltage
regulator integrated circuit. They are suitable for
applications that required supply current up to 100mA.
FEATURES
*Output current up to 100mA
*Fixed output voltage of -5V, -6V, -8V, -9V,
-12V,-15V ,-18V and -24V available
*Thermal overload shutdown protection
*Short circuit current limiting
TO-92
1
SOP-8
SOT-89
1
TO-92, SOT-89: 1:GND 2:Input 3:Output
SOP- 8 : 1. Vout ; 2,3,6,7 Vin ; 5. GND;
4,8 NC
TEST CIRCUIT
GND
OUTPUT
INPUT
Contek
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
79LXX LINEAR INTEGRATED CIRCUIT
2
ABSOLUTE MAXIMUM RATINGS ( Operating temperature range applies unless otherwise specified )
PARAMETER SYMBOL VALUE UNIT
Input voltage(for Vo=-5~-9V)
(for Vo=-12~-15V)
(for Vo=-18~-24V)
V
I
VI
VI
-30
-35
V
V
Power Dissipation
P
D 500 mW
Operating Junction Temperature Range
T
OPR -30 ~ +125 C
Storage Temperature Range
T
STG -40 ~ +125 C
Contek79L05 ELECTRICAL CHARACTERISTICS
(Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo VIN=-10V,Io=40mA -4.8 -5.0 -5.2 V
Line Regulation Vo-VIN VIN=-7~-20V,Io=40mA 15 150 mV
Load Regulation Vo-Io VIN=-10V,Io=1~100mA 7 60 mV
Quiescent current IQ VIN=-10V,Io=40mA 3.5 6.0 mA
Ripple Rejection RR VIN=-8~-18V, Io=40mA,
ein=1Vp-p ,f=120Hz
41 71 dB
Output Noise Voltage VNO VIN=-10V,
BW=10Hz~100kH,Io=40mA
120 mV
Contek79L06 ELECTRICAL CHARACTERISTICS
(Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Output Voltage Vo VIN=-12V,Io=40mA -5.76 -6.0 -5.2 V
Line Regulation Vo-VIN VIN=-8.5~-20V,Io=40mA 15 150 mV
Load Regulation Vo-Io VIN=-12V,Io=1~100mA 7 60 mV
Quiescent current IQ VIN=-12V,Io=40mA 3.5 6.0 mA
Ripple Rejection RR VIN=-9~ -19V,
Io=40mA,
ein=1Vp-p ,f=120Hz
41 71 dB
Output Noise Voltage VNO VIN=-12V,
BW=10Hz~100kH,Io=40mA
120 mV
Contek79L08 ELECTRICAL CHARACTERISTICS
(Tj=25 C,C1=0.33mF,Co=1.0 mF, unless otherwise specified)
PARAMETER SYMBOL Test conditions MIN TYP MAX UNIT
Output Voltage Vo VIN=-14V,Io=40mA -7.68 -8.0 -8.32 V
Line Regulation Vo-VIN VIN=-10.5~-23V,Io=40mA 24 175 mV
Load Regulation Vo-Io VIN=-14V,Io=1~100mA 10 80 mV
Quiescent current IQ VIN=-14V,Io=40mA 3.5 6.0 mA
Ripple Rejection RR VIN=-11~ -21V,
Io=40mA,
ein=1Vp-p ,f=140Hz
39 68 dB
Output Noise Voltage VNO VIN=-14V,
BW=10Hz~100kH,Io=40mA
190 mV
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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