Datasheet > SGM2578A

SGM2578A

更新时间： 2023-09-03 20:25:13

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
15页	1061K
描述
5.5V, 2A, 30mΩ RON Load Switch with Reverse Current Protection

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SGM2578A 数据手册

SGM2578A

5.5V, 2A, 30mΩ R_ONLoad Switch with

Reverse Current Protection

GENERAL DESCRIPTION

FEATURES

The SGM2578A is a single load switch with reverse

current protection function. The device can operate

from 1V to 5.5V single supply and has the ability to

drive up to 2A continuous current.

● Input Voltage Range: 1V to 5.5V

● Low On-Resistance

 R_ON= 29mΩ at V_IN= 4.35V

 R_ON= 30mΩ at V_IN= 3.3V

 R^ON= 36mΩ at VIN = 1.0V

The device contains a 30mΩ low R_ONN-MOSFET

controlled by the ON pin. If the power supply is turned

on for the first time, a smart pull-down resistor is used

to float the ON pin until the system is stable. Once the

ON pin reaches a high voltage (> V_IH), the pull-down

resistor is disconnected, then the standby current is very

low and power loss can be reduced. The small package

and low R_ONmake the device very suitable for space

limited, battery powered applications.

● Low Shutdown Current: 90nA (TYP)

● Maximum Continuous Current: 2A

● Reverse Current Protection When Disabled

● Low Threshold 1.8V GPIO Control Input

● Bidirectional Power Supply for Power Zone

Application

● Rise Time:

 SGM2578AAD: 200μs (TYP)

 SGM2578ABD: 5000μs (TYP)

● Quick Output Discharge

The device supports a wide input voltage range, which

is suitable for different voltage rails. The rise time is

used to avoid inrush current. The SGM2578A offers the

quick output discharge function in disable status.

● Available in a Green WLCSP-0.9×0.9-4B-A Package

APPLICATIONS

The SGM2578A is available in a Green WLCSP-

0.9×0.9-4B-A package.

Mobile Phone

Ultrabook

Tablet PC

Digital Camera

Wearable Technology

Solid State Drive

TYPICAL APPLICATION

V_IN

VIN

VOUT

C_IN

SGM2578A

C_OUT

R_OUT

GND

Off

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

MARCH2023–REV. A.2

12 3 4 5 6 7...15

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