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LM7918 データシート(PDF) 3 Page - List of Unclassifed Manufacturers

部品番号 LM7918
部品情報  3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR
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LM7918 データシート(HTML) 3 Page - List of Unclassifed Manufacturers

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LM79XX
LINEAR INTEGRATED CIRCUIT
3
Contek7908 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
Tj=25 C
-7.7
-8.0
-8.3
V
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-10.5V to -23V
-7.6
-8.0
-8.4
V
Line regulation
DVo
Tj=25 C,Vi=-10.5V to -25V
10
100
mV
Tj=25 C,Vi=-11.5V to -17V
580
mV
Load regulation
DVo
Tj=25 C,Io=5.0mA to 1.5A
12
160
mV
Tj=25 C,Io=250mA to 750mA
480
mV
Quiescent current
IQ
Tj=25 C
36
mA
Quiescent current change
DIQ
Io=5mA to 1.0A
0.05
0.5
mA
Vi=-11.5V to -25V
0.1
1.0
mA
Output voltage drift
DVo/DT
Io=5mA
-0.6
mV/ C
Output noise voltage
VN
f=10hz to 100kHz,Ta=25 C
175
mV
Ripple rejection
RR
f=120Hz, Vi=-11.5V to -21.5V
54
60
dB
Dropout voltage
Vo
Io=1.0A,Tj=25 C
2V
Short citcuit current
Isc
Vi=-35V,Ta=25 C
300
mA
peak current
Ipk
Tj=25 C
2.2
A
Contek7912 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
Tj=25 C
-11.5
-12.0
-12.5
V
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-14.5V to -27V
-11.4
-12
-12.6
V
Line regulation
DVo
Tj=25 C,Vi=-14.5V to -30V
12
240
mV
Tj=25 C,Vi=-16V to -22V
6
120
mV
Load regulation
DVo
Tj=25 C,Io=5.0mA to 1.5A
12
240
mV
Tj=25 C,Io=250mA to 750mA
4
120
mV
Quiescent current
IQ
Tj=25 C
36
mA
Quiescent current change
DIQ
Io=5mA to 1.0A
0.05
0.5
mA
Vi=-14.5V to -30V
0.1
1.0
mA
Output voltage drift
DVo/DT
Io=5mA
-0.8
mV/ C
Output noise voltage
VN
f=10hz to 100kHz,Ta=25 C
200
mV
Ripple rejection
RR
f=120Hz, Vi=-15V to -25V
54
60
dB
Dropout voltage
Vo
Io=1.0A,Tj=25 C
2V
Short circuit current
Isc
Vi=-35V,Ta=25 C
300
mA
peak current
Ipk
Tj=25 C
2.2
A
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com


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