Datasheet > G5ULM2576

G5ULM2576

更新时间： 2024-11-14 03:04:43

品牌	Logo	应用领域
GTM		稳压器
页数	文件大小	规格书
7页	356K
描述
Simple Switcher 3A Step-Down Voltage Regulator

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中文翻译

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数据手册

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G5ULM2576 数据手册

ISSUED DATE :2005/04/15

REVISED DATE :

GTM

CORPORATION

G5ULM2576

Simple Switcher 3A Step-Down Voltage Regulator

Description

The G5ULM2576 series of regulators are monolithic integrated circuits that provide all active functions for a step-down (buck) switching

regulator, capable of driving 3A load with excellent line and load regulation. These devices are available in fixed output voltage of 3.3v, 5v,

12v, 15v and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and

include internal frequency compensation and a fixed-frequency oscillator.

The G5ULM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of

the heat sink, and in some cases no heat sink is required.

A standard series if inductors optimized for use with the G5ULM2576 are available from several different manufactures. This feature

greatly simplifies the design of switch-mode power supplies. Other feature include a guaranteed ̈́4% to tolerance on output voltage within

specified input voltages and output load condition, and ̈́10% on the oscillator frequency. External shutdown is included, featuring 50uA

(typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under

fault condition.

Features

3.3V, 5.0V, 12V, 15V and adjustable output versions

Adjustable version output voltage range , 1.23V to 37V ̈́ˇ% max over line and load conditions

Guaranteed 3A output current

Wide input voltage range

Efficient pre-regulator for linear regulators

Requires only 4 external components

52kHz fixed frequency oscillator

TTL shutdown capability, low power standby mode

High efficiency

Uses readily available standard inductors

Thermal shutdown and current limit protection

Applications

Simple high-efficiency step-down (buck) regulator

On-card switching regulators

Positive to negative converter (Buck-Boost)

Package Dimensions

Millimeter

REF.

Min.

Max.

4.80

0.91

0.30

0.5

Min.

1.25

Max.

1.45

4.40

0.66

0.00

0.36

2.29

9.80

ꢀ

1.27 REF.

8.6

9.0

1.70 REF.

14.6 15.8

0˚ 8˚

2.79

10.4

Typical Application (Fixed Output Voltage Version)

G5ULM2576-5.0

G5ULM2576

Page: 1/7

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中文翻译

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与G5ULM2576相关器件

型号	品牌	获取价格	描述	数据表
G5ULM2596	GTM	获取价格	Simple Switcher Power converter 150kHz 3A Step-Down Voltage Regulator
G5V-1	OMRON	获取价格	Low Signal Relay
G5V-112DC	OMRON	获取价格	Power/Signal Relay, SPDT, Momentary, 0.013A (Coil), 12VDC (Coil), 150mW (Coil), 1A (Contac
G5V-1-2	OMRON	获取价格	Low Signal Relay
G5V-124VDC	OMRON	获取价格	Power/Signal Relay, 1 Form C, SPDT, Momentary, 0.006A (Coil), 24VDC (Coil), 150mW (Coil),
G5V-1-2-DC12	OMRON	获取价格	Power/Signal Relay, SPDT, Momentary, 0.013A (Coil), 12VDC (Coil), 150mW (Coil), 1A (Contac
G5V-1-2-DC3	OMRON	获取价格	Power/Signal Relay, SPDT, Momentary, 0.05A (Coil), 3VDC (Coil), 150mW (Coil), 1A (Contact)
G5V-15VDC	OMRON	获取价格	Power/Signal Relay, 1 Form C, SPDT, Momentary, 0.03A (Coil), 5VDC (Coil), 150mW (Coil), 1A
G5V-16VDC	OMRON	获取价格	Power/Signal Relay, SPDT, Momentary, 0.025A (Coil), 6VDC (Coil), 150mW (Coil), 1A (Contact
G5V-19VDC	OMRON	获取价格	Power/Signal Relay, SPDT, Momentary, 0.017A (Coil), 9VDC (Coil), 150mW (Coil), 1A (Contact

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