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GM317 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Gamma Microelectronics - ADJUSTABLE REGULATOR

شماره قطعه GM317
شرح مفصل ADJUSTABLE REGULATOR
تولید کننده Gamma Microelectronics 
آرم Gamma Microelectronics 


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GM317 شرح
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AA
MICROELECTRONICS
Power Management
GM317
3- TERMINAL ADJUSTABLE REGULATOR
Description
The GM317 is an adjustable 3-terminal positive voltage reg-
ulator capable of supplying in excess of 1.5 A over an out-
put voltage range of 1.2 V to 37 V. This voltage regulator is
exceptionally easy to use and requires only two external re-
sistors to set the output voltage. Further, it employs internal
current limiting, thermal shutdown and safe area compen-
sation, making it essentially blow-out proof.
The GM317 a wide variety of applications including local,
application, and on card regulation. This device can also
be used to make a programmable output regulator, or by
connecting a fixed resistor between the adjustment and out-
put. The GM317 can be used as a precise current regula-
tor.
Features
Output current up to 1.5A
Output Voltages 1.2V to 37V
Input Regulation typ. 0.01% per input
Output Regulation typ. 0.1%
Peak Output Current Constant over
Temperature Range of Regulator
Available in TO-220 and TO-263 Packages
Ripple Rejection Typically 80dB
Direct replacements for LM317
TYPICAL APPLICATION
VIN
CIN*
0.1µF
GM317
VIN VOUT
ADJ
IADJ
R2
VOUT
R1
240W
+ CO**
1µF
* CIN is required if regulator is located an appreciable distance from power supply filter.
**CO is not needed for stability, however, it improve transient response.
VOUT= 1.25V (1+
R2
R1
) + IADJR2
Since IADJ is controlled to less than 100µA, the error associated with this term is negligible
in most applications.
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