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LM7908 датащи(PDF) 2 Page - List of Unclassifed Manufacturers

номер детали LM7908
подробное описание детали  3 TERMINAL 1A NEGATIVE VOLTAGE REGULATOR
PDF  6 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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LM7908 датащи(HTML) 2 Page - List of Unclassifed Manufacturers

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LM79XX
LINEAR INTEGRATED CIRCUIT
2
ABSOLUTE MAXIMUM RATINGS(Ta=25 C)
PARAMETER
SYMBOL
VALUE
UNIT
Input voltage
Vi
-35
V
Thermal resistance
junction-air
R q JA
65
C /W
Thermal resistance
junction-cases
R q JC
5C /W
Operating Temperature
Topr
0 ~ +125
C
Storage Temperature
Tstg
-65 ~ +150
C
Contek7905 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-10V,Ci=33uF,Co=1uF, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25 C
-4.8
-5.0
-5.2
V
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-7V to -20V
-4.75
-5.00
-5.25
V
Line regulation
DVo
Tj=25 C,Vi=-7V to -25V
10
100
mV
Tj=25 C,Vi=-8V to -12V
mV
Load regulation
DVo
Tj=25 C,Io=5.0mA to 1.5A
10
100
mV
Tj=25 C,Io=250mA to 750mA
350
mV
Quiescent current
IQ
Tj=25 C
36
mA
Quiescent current change
DIQ
Io=5mA to 1.0A
0.05
0.5
mA
Vi=-7V to -25V
0.1
1.3
mA
Output voltage drift
DVo/DT
Io=5mA
-0.4
mV/ C
Output noise voltage
VN
f=10hz to 100kHz,Ta=25 C
100
mV
Ripple rejection
RR
f=120Hz, Vi=-8V to -18V
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
Contek7906 ELECTRICAL CHARACTERISTICS
(Refer to test circuits, 0<Tj<125 C,Io=500mA,Vi=-11V,Ci=2.2uF,Co=1uF,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Tj=25 C
-5.75
-6.00
6-.25
V
Output voltage
Vo
5.0mA<Io<1.0A,Po<15W
Vi=-8V to -21V
-5.7
-6.0
-6.3
V
Line regulation
DVo
Tj=25 C,Vi=-8V to -25V
10
120
mV
Tj=25 C,Vi=-9V to -13V
560
mV
Load regulation
DVo
Tj=25 C,Io=5.0mA to 1.5A
10
120
mV
Tj=25 C,Io=250mA to 750mA
360
mV
Quiescent current
IQ
Tj=25 C
36
mA
Quiescent current change
DIQ
Io=5mA to 1.0A
0.5
mA
Vi=-8V to -25V
1.3
mA
Output voltage drift
DVo/DT
Io=5mA
-0.5
mV/ C
Output noise voltage
VN
f=10hz to 100kHz,Ta=25 C
130
mV
Ripple rejection
RR
f=120Hz, Vi=-9V to -19V
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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