Datasheet > WT7515

WT7515

更新时间： 2024-01-07 13:35:02

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
2页	67K
描述
provides protection circuits

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数据手册

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WT7515 数据手册

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Weltrend Semiconductor, Inc.

WT7515

GENERAL DESCRIPTION

The WT7515 provides protection circuits, power good output (PGO), fault protection latch (FPOB),

and a protection detector function (PSONB) control. It can minimize external components of switching

power supply systems in personal computer.

The Over / Under Voltage Detector (OVD / UVD) monitors 3.3V, 5V, 12V input voltage level. The Over

Current Detector (OCD) monitor IS33, IS5, IS12 input current sense. When OVD or UVD or OCD detect

the fault voltage level, the FPOB is latched HIGH and PGO go low. The latch can be reset by PSONB go

HIGH. There is 2.4 ms delay time for PSONB turn off FPOB.

When OVD and UVD and OCD detect the right voltage level, the power good output (PGO) will be

issue.

FEATURES

•

The Over / Under Voltage Detector (OVD / UVD) monitors 3.3V, 5V, 12V input voltage level.

The Over Current Detector (OCD) monitors IS33, IS5, IS12 input current sense.

Both of the power good output (PGO) and fault protection latch (FPOB) are Open Drain Output.

75 / 300 ms time delay for UVD.

300 ms time delay for PGO.

38 ms for PSONB input signal De–bounce.

73 us for internal signal De–glitches.

2.4 ms time delay for PSONB turn-off FPOB.

PIN ASSIGNMENT AND PACKAGE TYPE

Pin assignment

WT7515–140WT

WT7515–141WT

WT7515–142WT

PGI

PGO

VCC

PGI

PGO

VCC

PGI

PGO

VCC

GND

FPOB

PSONB

IS12

FPOB

PSONB

IS12

FPOB

PSONB

IS12

V33

V12

IS33

IS5

V33

V12

IS33

IS5

VCC2

V12

IS5

VCC2

IS33

ꢀꢁꢂꢃꢄꢅꢆꢇꢈꢅꢆꢉꢊꢋ24ꢌ2ꢍ

2F, No. 24, Industry E. 9^thRD., Science-Based Industrial Park, Hsin-Chu, Taiwan

TEL:886-3-5780241 FAX:886-3-5794278.5770419

Email:support@weltrend.com.tw

中文翻译

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