UTC LM79XX
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
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Ripple rejection
Dropout voltage
Short circuit current
peak current
Vo
∆Vo
∆Vo
I
Q
∆I
Q
∆Vo/∆T
V
N
RR
Vo
Isc
Ipk
Tj=25°C
5.0mA<Io<1.0A,Po<15W
Vi=-17.5V to -30V
Tj=25°C,Vi=-17.5V to -30V
Tj=25°C,Vi=-20V to -26V
Tj=25°C,Io=5.0mA to 1.5A
Tj=25°C,Io=250mA to 750mA
Tj=25°C
Io=5mA to 1.0A
Vi=-17.5V to -30.5V
Io=5mA
f=10hz to 100kHz,Ta=25°C
f=120Hz, Vi=-18.5V to -28.5V
Io=1.0A,Tj=25°C
Vi=-35V,Ta=25°C
Tj=25°C
-14.40
-14.25
12
6
12
4
3
0.05
0.1
-0.9
250
60
2
300
2.2
-15.0
-15.60
-15.75
300
150
300
150
6
0.5
1.0
V
V
mV
mV
mV
mV
mA
mA
mA
mV/°C
µV
dB
V
mA
A
54
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
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Ripple rejection
Dropout voltage
Short circuit current
peak current
Vo
∆Vo
∆Vo
I
Q
∆I
Q
∆Vo/∆T
V
N
RR
Vo
Isc
Ipk
Tj=25°C
5.0mA<Io<1.0A,Po<15W
Vi=-21V to -33V
Tj=25°C,Vi=-21V to -33V
Tj=25°C,Vi=-24V to -30V
Tj=25°C,Io=5.0mA to 1.5A
Tj=25°C,Io=250mA to 750mA
Tj=25°C
Io=5mA to 1.0A
Vi=-21V to -32V
Io=5mA
f=10hz to 100kHz,Ta=25°C
f=120Hz, Vi=-22V to -32V
Io=1.0A,Tj=25°C
Vi=-35V,Ta=25°C
Tj=25°C
-17.28
-17.10
15
8
15
5.0
3
-18.0
-18.72
-18.90
360
180
360
180
6
0.5
1.0
V
V
mV
mV
mV
mV
mA
mA
mA
mV/°C
µV
dB
V
mA
A
54
-1
300
60
2
300
2.2
UTC
UNISONIC TECHNOLOGIES
CO., LTD.
4
QW-R101-007,B
UTC-IC [ UNISONIC TECHNOLOGIES ]
