Datasheet > GM7130-5.0TB5BT

GM7130-5.0TB5BT

更新时间： 2025-08-04 04:42:47

品牌	Logo	应用领域
GAMMA		调节器开关
页数	文件大小	规格书
14页	244K
描述
3A STEP-DOWN VOLTAGE SWITCHING REGULATORS

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GM7130-5.0TB5BT 数据手册

Power Management

A A

MICROELECTRONICS

GM7130

3A STEP-DOWN VOLTAGE SWITCHING REGULATORS

Features

Description

GM7130 of regulators provides all the active

functions for a step-

down (buck) switching

3.3V, 5V, 12V, 15V, Adjustable output versions

Adjustable version output voltage range 1.23V

to 37V ±4% max over line and load conditions

3A output current

regulator, and drives 3A load with excellent

line and load regulation. GM7130 is available

in fixed output voltages of 3.3V, 5V, 12V

, and a versatile Adjustable output

15V

Input voltage range 7V to 40V

version. These regulators are simple to use

and require a minimum number of external

components. Features include internal fre-

quency compensation and a fixed-frequency

oscillator.

Requires only 4 external components

High efficiency

TTL shutdown capability, low power standby

mode

Thermal shutdown, current limit protection

Uses standard inductors

The GM7130 is high-efficiency replacements

for popular three-terminal

linear regulators,

and is requiring a smaller heatsink or even

no heatsink.

GM7130 performs well with standard

inductors from several manufacturers, and

52 kHz fixed frequency internal oscillator

simplifying the design of switch-mode

power supplies. GM7130 guarantees ±4%

tolerance on output

voltage within specified

input voltages and output load conditions,

and ±10% on the oscillator frequency.

External shutdown is induced with 50 uA

(typical) standby current. The output switch

has cycle-by-cycle current limiting as well

as thermal shutdown for full

fault conditions.

protection under

Application

Pre-regulator for linear regulators

On-card/ board switching regulators

High-efficiency step-down buck regulator

Positive to negative converter (buck-boost)

TYPICAL APPLICATIONS

Feedback

7V - 40V

Unregulated

GM7130-5.0

+5V

DC Input

100 µH

Regulated

Output

3A Load

GND

ON/ OFF

1N5822

100 µF

OUT

680 µF

www.gammamicro.com

12 3 4 5 6 7...14

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