Datasheet > SG6513TS

SG6513TS

更新时间： 2024-10-27 22:21:59

品牌	Logo	应用领域
其他 - ETC		监控 PC
页数	文件大小	规格书
11页	227K
描述
PC Power Supply Supervisors

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数据手册

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SG6513TS 数据手册

Product Specification

PC Power Supply Supervisors

SG6513/T

For supervisor function, it provides the over voltage

protection (OVP) monitoring for 3.3V, 5V and 12V; over

current (OCP) monitoring for 3.3V, 5V and 12V; under

voltage sense (UVS) monitoring for 3.3V, 5V and 12V;

under voltage protection (UVP) monitoring for 12V; and

over temperature protection (OTP) for SG6513T. When

3.3V, 5V or 12V voltage is decreasing to 2.8V, 4.2V and

9.9V respectively, the under voltage sense (UVS)

function will be enabled to reset the PGO signal from high

to low. If 12V voltage is further decreasing to 9V, FPO

will be 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. To achieve better immunity for

lighting surge glitch and to prevent accidental power shut

down during dynamic loading condition, the de-bounce

time for UVP/OCP and UVS is 275us/125us ,350us

respectively. The deglitch time for OVP is 75uS for better

noise immunity.

FEATURES OVERVIEW

ꢀ

Over-voltage protection (OVP) for 3.3V, 5V and

12V

ꢀ

Over-current protection (OCP) for 3.3V, 5V and 12V

Under-voltage sense (UVS) for 3.3V, 5V and 12V

Under-voltage protection (UVP) for 12V

Open drain output for PGO and FPO pins

300mS power good delay

75mS delay for 3.3V, 5V and 12V power turn on

2.8mS PSON control to FPO turn-off delay

38mS / 115mS PSON control De-bounce

275uS width noise deglitches

De-bounce time 125uS for UVP and OCP

De-bounce time 350uS for UVS

No lockup during the fast AC power on/off

Brownout protection function for 12V

Wide supply voltage range from 4V to 15V

Over-temperature protection (OTP) function

The power supply is turned on after 38mS de-bounce

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

off power supply, PSON signal is set from low to high and

the de-bounce time is 115mS. The PGI circuitry provides

a sufficient power-down warning signal for PGO. When

PGI input is lower than the internal 1.2V reference

voltage, after 250uS de-bounce time, the PGO signal is

pulled low.

DESCRIPTION

SG6513 is designed to provide the voltage, current

and temperature supervisor function, remote on/off

(PSON) function, power good (PGO) indicator function,

and fault protection (FPO) function for switching power

systems.

TYPICAL APPLICATION

Output Side

12V

3.3V

SG6513

PGI

PGO

VDD

VS5

VSB

GND

FPO

PSON

IS12

PSON

VS33

VS12

IS33

IS5

- 1 -

www.sg.com.tw

Aug.26,2003

Version 1.0PN ( IRO33.0014.B0)

12 3 4 5 6 7...11

中文翻译

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