Datasheet > BD8622EFV_09

BD8622EFV_09

更新时间： 2024-09-24 08:51:47

品牌	Logo	应用领域
罗姆 - ROHM		转换器
页数	文件大小	规格书
16页	515K
描述
Built-in 1ch FET Light Load Type DC / DC converters

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BD8622EFV_09 数据手册

System Power Supply for TV Series

Built-in 1ch FET Light Load Type

DC / DC converters

BD8622EFV

No.09034EAT04

●Description

BD8622EFV has realized the high performance and reliability required as a power supply for thin-screen TV.

Due to the high-speed load response, it is most suitable for TV-purpose processors with increasingly high performance, and

due to the wide phase margin it leaves a good margin for board pattern & constant setting and so facilitates its application

design.

As a high-reliability design, it has various built-in protection circuits (overcurrent protection, output voltage abnormal

protection, thermal protection, and off-latch function at the time of abnormality etc.), therefore as an advantage it does not

easily damage in every possible abnormal condition such as all-pin short circuit test etc. and hence most suitable for

thin-screen TV which requires the high reliability.

●Features

1)High efficiency in all load area

2)3.0A output current

3)PWM mode/PFM mode switch(automatic operation)

4)Low current mode/Rorripplmord switch with terminal MODE

5)Low RDS(ON) internal switches:75mΩ(typ.)

6)±1% reference voltage accuracy

7)Programmable frequency : 250kHz-1MHz

(Can the adjustment by an external synchronization and the terminal RT resistance.)

8)Terminal RT OPEN/SHORT detecting function

9)Over current protection function

10) Output over voltage/low voltage protection function (over : FB > VREF +60mV , low : FB < VREF -60mV)

11) Timer off latch function in abnormal circumstances

12) Thermal shutdown function

13) Under voltage protection

14) Soft start/start delay circuit

15) Soft start time out function

16) Protecting BUS function with terminal PDET

17) HTSSOP-B20 package

www.rohm.com

2009.05 - Rev.A

1/15

12 3 4 5 6 7...16

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