Datasheet > SGM40666AS

SGM40666AS

更新时间： 2024-11-19 11:15:19

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
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描述
High-Current Over-Voltage Protector

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数据手册

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SGM40666AS 数据手册

SGM40666AS/SGM40666BS

High-Current Over-Voltage Protector

GENERAL DESCRIPTION

FEATURES

The SGM40666AS and SGM40666BS are over-voltage

protection devices designed to protect low voltage

systems from damage with a high voltage supply up to

+31V_DCand +40V_PEAK(10s with 50mA current limit).

The SGM40666AS withstands +90V/-400V while

SGM40666BS can also withstand surges up to +80V/

-400V without damage.

● Wide Power Supply Voltage Range: 2.5V to 28V

● Input Voltage up to 40V with 50mA Current Limit

for 10s Duration

● Integrated Switch On-Resistance: 27mΩ (TYP)

● Wide Adjustable OVLO Threshold Range:

4V to 22V

● Internal Over-Voltage Protection Threshold:

6.79V (TYP)

The integrated 27mΩ (TYP) R_ONFET allows it to pass

through 4.5A continuous current. The FET is turned off

when the input voltage exceeds the over-voltage

threshold, which can be adjusted between 4V and 22V

with the optional external resistors.

● Surge Immunity

 SGM40666AS: Up to +90V/-400V Surge

Immunity

 SGM40666BS: Up to +80V/-400V Surge

Immunity

When the OVLO input is set below the external OVLO

select threshold (0.26V TYP), the SGM40666AS and

SGM40666BS automatically choose the internal trip

thresholds that are preset to 6.79V typically. SGMICRO

provides customized OVP threshold options for

22.2V/15.3V/10.5V/6.35V/5.95V. Please contact us if

necessary.

● 32.3V Clamping Circuit Trigger Threshold when

Rising Slope > 4.5V/μs (SGM40666AS)

● 45V Clamping Circuit Trigger Threshold

(SGM40666BS)

● Over-Voltage Shutdown Response: 50ns (TYP)

● Start-Up Debounce Time: 16.5ms

● Soft-Start Function

● Enable Function

The open-drain output (nACOK) indicates a stable

● Thermal Shutdown Protection

● Power Good Flag

power supply between minimum V_INand V_OVLO

The SGM40666AS and SGM40666BS are available in

a Green WLCSP-1.65×1.24-12B package.

● Available in a Green WLCSP-1.65×1.24-12B

Package

APPLICATIONS

Battery Charging Ports

Mobile Phones

Tablet Computers

SG Micro Corp

NOVEMBER 2022 – REV. A

www.sg-micro.com

12 3 4 5 6 7...14

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