BD8641EFV

更新时间： 2024-01-31 21:57:25

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
5页	254K
描述
Synchronous rectification with built-in FET type DC/DC converter IC

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中文翻译

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数据手册

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BD8641EFV 数据手册

1/4

STRUCTURE ：

Silicon Monolithic Integrated Circuit

PRODUCT NAME ：

Synchronous rectification with built-in FET type DC/DC converter IC

MODEL NAME：

B D 8 6 4 1 E F V

FEATURES ：

・Synchronous rectification with built-in FET type DC/DC converter

・Reference voltage accuracy FB 0.8V±1%

・Switching frequency 250kHz～2.3MHz（Synchronizable with external clock.）

・Over current protection circuit

・Thermal shutdown

・Output voltage watch （VDET） function

・Input low voltage detection （UVLO） function

・Soft start / Start delay circuit

◎ABSOLUTE MAXIMUM RATING （Ta=25℃）

Parameter

Symbol

Limits

V_IN

Unit

Ｗ

Input supply voltage

Input terminal voltage

Output terminal voltage

Output current

PV_IN, SV_IN

V_INP

V_OUT

*２

V_IN

I_OUT

3.2^*３

Power dissipation

-40 ～ 85

-55 ～ 150

Operating temperature

Storage temperature

Topr

Tstg

℃

＊1 V_INPApplication terminal： SYNCLK, EN, SS/DELAY, FB

＊2 V_OUTApplication terminal：SW, VDET, FC, RT

＊3 (70mm×70mm, thickness 1.6mm, and four layer glass epoxy substrates)When mounting substrate and the package

back exposure part are connected with solder.

Operating at higher than Ta=25℃, 25.6mW shall be reduced per 1

◎Operation condition

Parameter

Input supply voltage

Output current

Symbol

V_IN

I_OUT

MIN

3.0

TYP

MAX

5.5

Unit

Ｖ

This product is not designed for protection against radioactive rays.

Status of this document

The Japanese version of this document is the formal specification.

A customer may use this translation version only for a reference to help reading the formal version.

If there are any differences in translation version of this document, formal version takes priority.

Be careful to handle because the content of the description of this material might correspond to the labor

(technology in the design, manufacturing, and use) in foreign country exchange and Foreign Trade Control Law.

REV. C

12 3 4 5

中文翻译

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