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LM7912J bảng dữ liệu(PDF) 1 Page - Tiger Electronic Co.,Ltd

tên linh kiện LM7912J
Giải thích chi tiết về linh kiện  3-Terminal 1A Positive Voltage Regulator
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nhà sản xuất  TGS [Tiger Electronic Co.,Ltd]
Trang chủ  http://www.tgselec.com
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LM7912J bảng dữ liệu(HTML) 1 Page - Tiger Electronic Co.,Ltd

  LM7912J Datasheet HTML 1Page - Tiger Electronic Co.,Ltd  
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Parameter
Symbol
Typ
Unit
Input Voltage
V
I
-35
V
Output Voltage
V
O
-12
V
Peak Current
I
PK
-2.2
A
Operating Temperature
Range
T
OPR
0~125
oC
Storage Temperature Range
T
STG
-65~150
oC
LM7912J
GENERAL DESCRIPTION
Parameter
Symbol
Test Conditions
Min
Typ
Max Unit
Output Voltage
V
O
V
I = -14.5V to -30V
-11.64
-12
-12.36
V
Line Regulation (Note1)
Regline
V
I = -14.5V to -30V
-12
-240
mV
V
I = -16V to -22V
-6.0
-120
Load Regulation (Note1)
Regload
I
O = -5.0mA to-1.5A
-12
-240
mV
I
O =-250mA to -750mA
-4
-120
Quiescent Current
I
Q
T
J =+25
oC
-3
-6
mA
Quiescent Current Change
ΔI
Q
I
O = -5mA to -1A
-0.5
mA
V
I = -15V to -30V
-1.0
Ripple Rejection
RR
f = 120Hz, V
O = -15V to -25V
54
60
dB
Dropout Voltage
V
Drop
I
O = -1A, TJ =+25
oC
-2
V
Short Circuit Current
I
SC
V
I = -35V, TA =+25
oC
-300
mA
Peak Current
I
PK
T
J =+25
oC
-2.2
A
3-Terminal 1A Positive Voltage Regulator
The LM7912 series of three terminal positive regulators are available in the TO-220 package and with
several fixed output voltages, making them useful in a wide range of applications. Each type employs
internal current limiting, thermal shut down and safe operating area protection, making it essentially
indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although
designed primarily as fixed voltage regulators, these devices can be used with external components to
obtain adjustable voltages and currents.
Product specification
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(Refer to test circuit, Io = -500mA, Vi = -18V, Ci= 2.2uF, Co=1.0uF unless otherwise specified)
( Ta = 25 C)
O
( Ta = 25 C)
O
TO-252
TIGER ELECTRONIC CO.,LTD


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