LM7906 데이터 시트보기 (PDF) - Unisonic Technologies
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LM7906 Datasheet PDF : 6 Pages
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UTCLM79XX LINEAR INTEGRATED CIRCUIT
UTC7915 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125°C, Io=500mA,Vi=-23V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Tj=25°C
-14.40 -15.0 -15.60 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=-17.5V to -30V
-14.25
-15.75 V
Line regulation
∆Vo Tj=25°C,Vi=-17.5V to -30V
12 300 mV
Tj=25°C,Vi=-20V to -26V
6
150 mV
Load regulation
∆Vo Tj=25°C,Io=5.0mA to 1.5A
12 300 mV
Tj=25°C,Io=250mA to 750mA
4
150 mV
Quiescent current
IQ
Tj=25°C
3
6
mA
Quiescent current change
∆IQ Io=5mA to 1.0A
0.05 0.5 mA
Vi=-17.5V to -30.5V
0.1 1.0 mA
Output voltage drift
∆Vo/∆T Io=5mA
-0.9
mV/°C
Output noise voltage
VN f=10hz to 100kHz,Ta=25°C
250
µV
Ripple rejection
RR f=120Hz, Vi=-18.5V to -28.5V
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
UTC7918 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-27V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Tj=25°C
-17.28 -18.0 -18.72 V
Output voltage
Vo 5.0mA<Io<1.0A,Po<15W
Vi=-21V to -33V
-17.10
-18.90 V
Line regulation
∆Vo Tj=25°C,Vi=-21V to -33V
15 360 mV
Tj=25°C,Vi=-24V to -30V
8
180 mV
Load regulation
∆Vo Tj=25°C,Io=5.0mA to 1.5A
15 360 mV
Tj=25°C,Io=250mA to 750mA
5.0 180 mV
Quiescent current
IQ
Tj=25°C
3
6
mA
Quiescent current change
∆IQ Io=5mA to 1.0A
0.5 mA
Vi=-21V to -32V
1.0 mA
Output voltage drift
∆Vo/∆T Io=5mA
-1
mV/°C
Output noise voltage
VN f=10hz to 100kHz,Ta=25°C
300
µV
Ripple rejection
RR f=120Hz, Vi=-22V to -32V
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
UTC
UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R101-007,B
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