SG6516

更新时间： 2024-10-28 03:32:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		监控 PC
页数	文件大小	规格书
12页	499K
描述
PC Power Supply Supervisors

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数据手册

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SG6516 数据手册

Product Specification

PC Power Supply Supervisors

SG6516

power-good (PGO) indicator function, and fault

protection (FPO) function for switching power systems.

FEATURES

Two 12V sense input pins: VS12 and VS12B

Over-Voltage Protection (OVP) for 3.3V, 5V,

and two 12V

For supervisor, it provides over-voltage protection (OVP)

for 3.3V, 5V, and two 12V; over-current protection (OCP)

for 3.3V, 5V, and two 12V; under-voltage protection

(UVP) for 3.3V, 5V, and two 12V. When 3.3V, 5V, or

12V voltage decreases to 2.3V, 3.5V, and 9V respectively,

the under-voltage protection (UVP) function is enabled.

FPO is set to high to turn off the PWM controller IC. The

voltage difference across external current shunt is used for

OCP functions. An external resistor can be used to adjust

protection threshold.

Over-Current Protection (OCP) for 3.3V, 5V,

and two 12V

Under-Voltage Protection (UVP) for 3.3V, 5V,

and two 12V

Open-drain output for PGO and FPO pins

300ms power-good delay

300ms turn-on delay for 3.3V, 5V, and two 12V

2.8ms PSON control to FPO turn-off delay

48ms PSON control delay

No lockup during the fast AC power on/off

Wide supply voltage range from 4V to 15V

The power supply is turned on after a 48ms delay time

when PSON signal is set from high to low. To turn off the

power supply, the PSON signal is set from low to high

with the delay time 48ms. The PGI circuitry provides a

power-down warning signal for PGO. When PGI input is

lower than the internal 1.25V reference voltage, the PGO

signal is pulled low.

DESCRIPTION

SG6516 is designed to provide the voltage and current

supervisor function, remote on/off (PSON) function,

TYPICAL APPLICATION

Version 1.0.1 (IAO33.0029.B1)

- 1 -

www.sg.com.tw • www.fairchildsemi.com

September 24, 2007

12 3 4 5 6 7...12

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