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參數(shù)資料
| 型號： | GM317 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3- TERMINAL ADJUSTABLE REGULATOR |
| 中文描述： | 3 -端可調(diào)穩(wěn)壓 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 352K |
| 代理商： | GM317 |
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
GM317
V0.1
www.gammamicro.com
1
TYPICAL APPLICATION
V
IN
V
OUT
I
ADJ
R2
R1
240
W
C **
O
1μF
C *
IN
0.1μF
V
IN
V
OUT
ADJ
GM317
* C is required if regulator is located an appreciable distance from power supply filter.
IN
**C
s not needed for stability, however, it improve transient response.
O i
Since I
is controlled to less than 100μA, the error associated with this term is negligible
ADJ
in most applications.
V
= 1.25V (1+ ) + I
R2
OUT
ADJ
R2
R1
+
PRELIMINARY
A
A
MICROELECTRONICS
GM317
Power Management
3- TERMINAL ADJUSTABLE REGULATOR
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