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PDF ( 数据手册 , 数据表 ) LM7912

零件编号 LM7912
描述 (LM79XX) 3-Terminal 1 A Negative Voltage Regulator
制造商 Thinki Semiconductor
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LM7912 数据手册, 描述, 功能
LM79XX
®
LM79XX
Pb Free Plating Product
3-Terminal 1 A Negative Voltage Regulator
Pb
Features
Output Voltage: -5 & -12V
Output current up to 1A
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
Output transistor safe-area compensation
Output voltage offered in 4% tolerance
TO-220M-1
Unit : (mm)
Standard Application Circuit
LM79XX
A common ground is required between the input and
the output voltages. The input voltage must remain
typically 2.0V above the output voltage even during
the low point on the Input ripple voltage.
XX = these two digits of the type number indicate
voltage.
* = Cin is required if regulator is located an
appreciable distance from power supply filter.
** = Co is not needed for stability; however, it does
improve transient response.
Absolute Maximum Rating (Ta = 25oC unless otherwise noted)
Parameter
Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature Range
Thermal Resistance - Junction to Case
Thermal Resistance - Junction to Ambient
Note: * Follow the derating curve
TO-220
ITO-220
TO-220
ITO-220
Symbol
VIN
PD
TJ
TSTG
RӨJC
RӨJA
Limit
-35
Internal Limited
+150
-65~+150
3
5
50
60
Unit
V
W
oC
oC
oC/W
oC/W
© 2006 Thinki Semiconductor Co.,Ltd.
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