Datasheet > GM317

GM317

更新时间： 2024-11-11 07:01:43

品牌	Logo	应用领域
GAMMA		/
页数	文件大小	规格书
9页	182K
描述
3-TERMINAL 1.5A ADJUSTABLE REGULATOR

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GM317 数据手册

GM317

3-TERMINAL 1.5A

ADJUSTABLE REGULATOR

Description

Features

The GM317 is an adjustable 3-terminal positive

voltage regulator capable of supplying in excess

of 1.5 A over an output voltage range of 1.2 V to

37 V. This voltage regulator is exceptionally

easy to use and requires only two external

resistors to set the output voltage. Further, it

employs internal current limiting, thermal

shutdown and safe area compensation, making

it essentially blow out proof.

Output current up to 1.5A

Output Voltages 1.2V to 37V

Input Regulation typ. 0.01%

Output Regulation typ. 0.1%

Peak Output Current Constant over

Temperature Range of Regulator

Available in TO-220, TO-263, TO252 and

SOT223 Packages

GM317 offers full overload protection. Included

on the chip current limit, thermal overload

protection, and safe-area protection. Normally,

no capacitors is needed unless the device is

situated far from the input filter capacitors in

which case an input bypass is needed. An

optional output capacitor can added to improve

transient response.

Ripple Rejection Typically 80dB

Direct replacements for LM317

Applications

Switching Regulators

Current Limiter

Voltage Regulators

Power Supplies

Constant Current Battery Charger

Current Limited Charger

Current Regulators

Typical Application Circuit

OUT

GM317

OUT

240Ω

ADJ

C *

0.1µF

C **

1µF

* C is required if regulator is located an appreciable distance from power supply filter.

**C s not needed for stability, however, it improve transient response.

O i

= 1.25V (1+

) + I

ADJ

OUT

Since I

in most applications.

is controlled to less than 100µA, the error associated with this term is negligible

ADJ

12 3 4 5 6 7...9

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