Datasheet > SGM66025

SGM66025

更新时间： 2024-04-09 19:01:32

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
15页	877K
描述
0.8V Start-Up Input Voltage, 1.8A ISW Synchronous Boost Converter with Load Disconnect

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SGM66025 数据手册

SGM66025

0.8V Start-Up Input Voltage, 1.8A I_SWSynchronous

Boost Converter with Load Disconnect

GENERAL DESCRIPTION

FEATURES

The SGM66025 is a synchronous Boost converter with

integrated load disconnect function. The device is

capable to start up from 0.8V (TYP) input, and the input

voltage can operate down to 0.6V after start-up. Output

voltage ranges from 1.8V to 4V. The device integrates a

1.8A power switch with a fixed 1MHz switching

frequency. Bypass mode is also supported when V_INis

● 1V Start-Up Input Voltage

● 0.6V Operation Input Voltage after Start-Up

● 1.8V to 4V Output Voltage Range

● Up to 96% Efficiency

● 1MHz Switching Frequency

● 30μA (TYP) Quiescent Current

● 0.4μA (TYP) Shutdown Current

● Current-Mode Control with Internal

Compensation

higher than V_OUT

The P channel synchronous rectifier provides short-

circuit protection and load disconnect feature to

minimize leakage current drawn from the input source.

The device also implements soft-start feature to

minimize inrush current during start-up.

● True Output Disconnection from Input

● V_IN> V_OUTBypass Mode & Down Mode

● High Efficiency under Light-Load Conditions

● Internal Soft-Start

● Load Disconnect

The SGM66025 implements various protection features

such as short-circuit protection and thermal shutdown

to improve device robustness.

● Short-Circuit Protection

● Over-Current Protection

● -40℃ to +85℃ Operating Temperature Range

● Available in a Green TSOT-23-8 Package

The SGM66025 is available in a Green TSOT-23-8

package and operates over an ambient temperature

range of -40℃ to +85℃.

APPLICATIONS

Alkaline Battery

System 3.3V Bias

Medical Equipment

Wireless System Bias

TYPICAL APPLICATION

V_IN

0.6V to 4V

C_IN

V_OUT

1.8V to 4V

VIN

VOUT

C_OUT

R₁

SGM66025

OFF

AGND

R₂

PGND

Figure 1. Typical Application Circuit

SG Micro Corp

DECEMBER2023–REV. A

www.sg-micro.com

12 3 4 5 6 7...15

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