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UTCLM79XX View Datasheet(PDF) - Unisonic Technologies

Part Name
Description
View to exact match
UTCLM79XX
UTC
Unisonic Technologies UTC
UTCLM79XX Datasheet PDF : 6 Pages
1 2 3 4 5 6
UTCLM79XX LINEAR INTEGRATED CIRCUIT
UTC7924 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-33V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Tj=25°C
-23.04 -24 -24.96 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=-27V to -38V
-22.80
-25.20 V
Line regulation
Vo Tj=25°C,Vi=-27V to -38V
15 480 mV
Tj=25°C,Vi=-30V to -36V
8
240 mV
Load regulation
Vo Tj=25°C,Io=5.0mA to 1.5A
15 480 mV
Tj=25°C,Io=250mA to 750mA
5.0 240 mV
Quiescent current
IQ
Tj=25°C
3
6
mA
Quiescent current change
IQ Io=5mA to 1.0A
0.5 mA
Vi=-27V to -38V
1.0 mA
Output voltage drift
Vo/T Io=5mA
-1
mV/°C
Output noise voltage
VN f=10hz to 100kHz,Ta=25°C
400
µV
Ripple rejection
RR f=120Hz, Vi=-28V to -38V
54
60
dB
Dropout voltage
Vo Io=1.0A,Tj=25°C
2
V
Short circuit current
Isc Vi=-35V,Ta=25°C
300
mA
peak current
Ipk Tj=25°C
2.2
A
APPLICATION CIRCUITS
C1
2.2 µF
C0
1 µF
1
-Vi
2 UTC LM79XX 3
-Vo
+20V
Fig.1 Fixed output regulator
1 UTC LM7815 3
0.33 µF
2
0.1 µF
1N4001
+15V
-20V
2.2 µF
1
1 µF
2 UTC LM7915 3
1N4001
-15V
Fig.2 Split power supply(+-15V,1A)
UTC
UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R101-007,B
 

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