UTCLM79XX LINEAR INTEGRATED CIRCUIT
UTC7908 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-14V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
-7.68
-8.0
-8.32
V
Tj=25°C
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-10.5V to -23V
-7.60
-8.40
100
80
V
mV
mV
mV
mV
mA
mA
mA
mV/°C
µV
Line regulation
Load regulation
10
5
∆Vo
Tj=25°C,Vi=-10.5V to -25V
Tj=25°C,Vi=-11.5V to -17V
Tj=25°C,Io=5.0mA to 1.5A
Tj=25°C,Io=250mA to 750mA
Tj=25°C
12
4
160
80
∆Vo
Quiescent current
Quiescent current change
IQ
∆IQ
3
6
0.5
1.0
Io=5mA to 1.0A
0.05
0.1
-0.6
175
60
2
Vi=-11.5V to -25V
Output voltage drift
Output noise voltage
Ripple rejection
Dropout voltage
Short citcuit current
peak current
Io=5mA
∆Vo/∆T
VN
f=10hz to 100kHz,Ta=25°C
f=120Hz, Vi=-11.5V to -21.5V
Io=1.0A,Tj=25°C
RR
54
dB
Vo
V
mA
A
Isc
300
2.2
Vi=-35V,Ta=25°C
Tj=25°C
Ipk
UTC7912 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125°C,Io=500mA,Vi=-18V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
-11.52 -12.0 -12.48
V
Tj=25°C
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-14.5V to -27V
-11.40
-12.60
240
120
240
120
6
V
mV
mV
mV
mV
mA
mA
mA
mV/°C
µV
Line regulation
Load regulation
12
6
∆Vo
Tj=25°C,Vi=-14.5V to -30V
Tj=25°C,Vi=-16V to -22V
Tj=25°C,Io=5.0mA to 1.5A
Tj=25°C,Io=250mA to 750mA
Tj=25°C
12
4
∆Vo
Quiescent current
Quiescent current change
IQ
∆IQ
3
Io=5mA to 1.0A
0.05
0.1
-0.8
200
60
2
0.5
1.0
Vi=-14.5V to -30V
Output voltage drift
Output noise voltage
Ripple rejection
Dropout voltage
Short circuit current
peak current
Io=5mA
∆Vo/∆T
VN
f=10hz to 100kHz,Ta=25°C
f=120Hz, Vi=-15V to -25V
Io=1.0A,Tj=25°C
RR
54
dB
Vo
V
mA
A
Isc
300
2.2
Vi=-35V,Ta=25°C
Tj=25°C
Ipk
UTC UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R101-007,B
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