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LM7812 View Datasheet(PDF) - Unspecified

Part NameDescriptionManufacturer
LM7812 3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR ETC
Unspecified 
LM7812 Datasheet PDF : 6 Pages
1 2 3 4 5 6
LM78XX
PARAMETER
Short-Circuit Current
Dropout Voltage
LINEAR INTEGRATED CIRCUIT
SYMBOL
ISC
Vd
TEST CONDITIONS
VI=35V, Tj=25 C
Tj=25 C
MIN TYP MAX UNIT
250
mA
2.0
V
Contek LM7808 ELECTRICAL CHARACTERISTICS
( VI=14V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Tj=25 C, IO=5mA - 1.0A
7.7 8.0
Output Voltage
Vo
VI =10.5V to 23V,
7.6
Load Regulation
IO=5mA - 1.0A, PD<15W
DVo Tj=25 C,IO=5mA - 1.5A
Tj=25 C,IO=0.25A - 0.75A
Line regulation
DVo VI =10.5V to 25V,Tj=25 C
VI =10.5V to 23V,Tj=25 C,Io=1A
Quiescent Current
Quiescent Current Change
Iq
Tj=25 C, IO=<1A
DIq
VI =10.5V to 23V
DIq
IO=5mA - 1.0A
Output Noise Voltage
VN
10Hz<=f<=100kHz
58
Temperature coefficient of Vo
DVo/DT Io=5mA
-0.9
Ripple Rejection
RR
VI =11.5V to 21.5V,
f=120Hz,Tj=25 C
56 72
Peak Output Current
IPK
Tj=25 C
1.8
Short-Circuit Current
ISC
VI=35V, Tj=25 C
250
Dropout Voltage
Vd
Tj=25 C
2.0
MAX
8.3
8.4
UNIT
V
V
80 mV
40 mV
80 mV
80 mV
8.0 mA
1.0 mA
0.5 mA
mV
mV/ C
dB
A
mA
V
Contek LM7809 ELECTRICAL CHARACTERISTICS
( VI=15V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
Output Voltage
Tj=25 C, IO=5mA - 1.0A
8.65 9.00
Vo
VI =11.5V to 24V,
8.6
IO=5mA - 1.0A,PD<15W
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
Dropout Voltage
DVo
DVo
Iq
DIq
DIq
VN
DVo/DT
RR
IPK
ISC
Vd
Tj=25 C,IO=5mA - 1.5A
Tj=25 C,IO=0.25A - 0.75A
VI =11.5V to 25 V,
Tj=25 C, PD<15W
VI =11.5V to 24V,Tj=25 C,
Io<=1A
Tj=25 C, IO=<1A
VI =11.5V to 24V
IO=5mA 1.0A
10Hz<=f<=100kHz
Io=5mA
VI =12.5V to 22.5V,
f=120Hz,Tj=25 C
Tj=25 C
VI=35V, Tj=25 C
Tj=25 C
58
-1.1
56 72
1.8
250
2.0
MAX
9.35
9.4
UNIT
V
V
90 mV
45 mV
90 mV
90 mV
8.0 mA
1.0 mA
0.5 mA
mV
mV/ C
dB
A
mA
V
Contek Microelectronics Co.,Ltd.
3
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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