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UNISONIC TECHNOLOGIES CO., LTD
79LXX
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 0.1A NEGATIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC 79LXX 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.
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
- 79LXXG-AB3-R
- 79LXXG-S08-R
79LXXL-T92-B
79LXXG-T92-B
79LXXL-T92-K
79LXXG-T92-K
Notes: 1. XX: Output Voltage, refer to Marking Information
2. Note: Pin Assignment: I:VIN O:VOUT G:GND
Package
SOT-89
SOP-8
TO-92
TO-92
Pin Assignment
12345678
GIO- - - - -
O I I NG I I N
GIO- - - - -
GIO- - - - -
Packing
Tape Reel
Tape Reel
Tape Box
Bulk
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 8
QW-R101-003.K
79LXX
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
79L24(TJ=25C, C1=0.33µF, COUT=1µF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Output Voltage
Line Regulation
VOUT
∆VOUT
∆VIN × VOUT
VIN=-33V, IOUT =40mA
VIN=-27~-38V,Io=40mA
Load Regulation
∆VOUT
∆IOUT × VOUT
VIN=-33V, IOUT =1~100mA
Quiescent current
IQ VIN=-33V, IOUT =40mA
Ripple Rejection
RR
VIN=-29~ -35V, IOUT =40mA
eIN=1VP-P ,f=330Hz
Output Voltage Noise
eN
VIN=-33V, IOUT =40mA
BW=10Hz~100kH
MIN TYP MAX UNIT
-23.04 -24.0 -24.96 V
72 350 mV
30 200 mV
3.5 6.0 mA
31 55
dB
550 µV
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R101-003.K