BD9850FVM-TR

更新时间： 2024-11-13 13:00:23

品牌	Logo	应用领域
罗姆 - ROHM		稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
17页	783K
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中文翻译

获取价格

数据手册

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BD9850FVM-TR 数据手册

TECHNICAL NOTE

Large Current External FET Controller Type Switching Regulators

High temperature

operating

ESD

Resistance

Single-output High-frequency Step-down

Now available

Switching Regulator(Controller type)

BD9850FVM

Dual-output Step-up, Negative, Step-down

Switching Regulator(Controller type)

BD9851EFV

Description

The BD9850FVM is a 1-channel DC/DC step-down switching regulator controller, while the BD9851EFV is a 2-channel DC/DC

step-down switching regulator controller. The BD9850FVM is adaptable for a maximum switching frequency of 2 MHz and the

BD9851EFV for that of 3 MHz. Both provide space saving in all applications.

Features

1) Adaptable for 2-MHz switching frequency (externally variable) (BD9850FVM)

Adaptable for 3-MHz switching frequency (externally variable) (BD9851EFV)

2) FET direct drive

3) High-accuracy reference voltage (Accuracy: 1ꢀ)

4) Built-in Under Voltage Lock Out circuit (UVLO)

5) Built-in Thermal Shutdown circuit (TSD)

6) The BD9851EFV provides two channels:

Channel 1 available for selection of step-down/step-up switching

Channel 2 available for selection of step-down/inverting switching.

7) Compact MSOP8 package (BD9850FVM) / HTSSOP-B20 package (BD9851EFV)

Applications

TFT panel, TA/Router, digital consumer electronics, PC, and portable CD/DVD/DVC

Product lineup

BD9850FVM

4V to 9V

BD9851EFV

4V to 18V

Input range

Oscillation frequency range

External synchronization

Standby function

Operating temperature

Package

100kHz to 2MHz

Not provided

–40˚C to 85˚C

MSOP8

10kHz to 3MHz

Not provided

Provided

–40˚C to 85˚C

HTSSOP-B20

Sep. 2008

ROHM CO., LTD .

12 3 4 5 6 7...17

中文翻译

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