Datasheet > S3527

S3527

更新时间： 2024-11-26 14:54:51

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
9页	323K
描述
pc power supply supervisor

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S3527 数据手册

UNISONIC TECHNOLOGIES CO., LTD

S3527

CMOS IC

PC POWER SUPPLY

SUPERVISOR



DESCRIPTION

The UTC S3527 is designed for switch power supply system.

Four important functions of UTC S3527 are the following: the Over

Voltage Detector (OVD), the Under Voltage Detector (UVD), the

Over Current Detector (OCD) and power good signal generating.

OVD/UVD monitor 3.3V, 5V and dual 12V to protect our power

supply and PC, FPO goes to high when one of these supply

voltages exceeds their normal operation voltage range.

OCD monitors I33, I5, I12 input current sense. An adjustable

over-current condition composed of Iref and “protection current

range resistor” helps users design OCD easily.

Power good signal generating notifies personal computer when

power supply is ready or power supply is going to shutdown,

therefore it can provide a reliable power supply environment.



FEATURES

* The Over Voltage Detector (OVD) monitors VX, V33,

V5, V12A and V12B input voltage.

* 75/600ms time delay for UVD/OCD/VX.

* 300ms time delay for PGO.

* The Under Voltage Detector (UVD) monitors V33, V5,

V12A and V12B input voltage.

* 38ms for PSONB input signal De–bounce.

* 14us for OVD internal signal De–glitch.

* 1ms for UVD/VX internal signal De–glitch.

* 20ms for OCD internal signal De–glitch.

* 73us for PGI internal signal De–glitch.

* 4ms for PSONB turn-off FPOB.

* The Over Current Detector (OCD) monitors I33&V33,

I5&V5, I12A&V12A and I12B&V12B input pins.

* The VX>1.2V provide an extra protection.

* Both of the power good output (PGO) and fault

protection latch (FPOB) are Open Drain Output.



ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

S3527G-D16-T

S3527G-S16-R

S3527L-D16-T

DIP-16

Tube

Tape Reel

S3527L-S16-R

SOP-16

www.unisonic.com.tw

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QW-R114-005.B

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