Datasheet > BD7F200EFJ-LB

BD7F200EFJ-LB

更新时间： 2023-06-19 15:24:26

品牌	Logo	应用领域
罗姆 - ROHM		变压器光电转换器
页数	文件大小	规格书
31页	1789K
描述
本产品是面向工业设备市场的产品，保证可长期稳定供货。是适合这些用途的产品。BD7F200EFJ-LB是无需光电耦合器的绝缘型反激式转换器。为获得通过变压器绝缘的稳定的输出电压，无需以往用途中所需的光电耦合器、变压器3次绕组构成的反馈电路，大幅度减少了部件个数，可实现小型、高可靠绝缘型电源应用。采用独创的适应型导通时间控制技术，不需要以往方式中所需的外接相位补偿部件，可实现简单、高性能的绝缘型电源应用。

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BD7F200EFJ-LB 数据手册

Datasheet

Optocoupler-less

Isolated Flyback Converter

BD7F200HFN-LB BD7F200EFJ-LB

General Description

Key Specifications

This product guarantees long time supply availability in

the industrial instrumentation market.

Supply Voltage of Operation:

SW Terminal Operating Voltage:

Over Current Limit:

Switching Frequency:

Reference Voltage Accuracy:

Quiescent Current:

8V to 40V

50V (Max)

2.75A (Typ)

400kHz (Typ)

±1.5% (Typ)

0µA (Typ)

BD7F200 is an optocoupler-less Isolated Flyback

Converter. An optocoupler or the tertiary winding

feedback circuit which was needed to obtain a stable

output voltage isolated by

transformer in the

Operating Current:

2mA (Typ)

conventional application becomes unnecessary, thus,

the number of parts is reduced drastically, producing a

small-sized and high-reliability application isolated type

power supply.

Junction Temperature of Operation: -40°C to +125°C

Packages

W(Typ)

D(Typ)

H(Max)

HSON8

2.90mm x 3.00mm x 0.60mm

4.90mm x 6.00mm x 1.00mm

HTSOP-J8

Furthermore, a highly by the use of the Original

Adapted-Type ON-Time Control Technology, it makes

the external phase compensation parts become

unnecessary, therefore a highly efficient isolated type

power supply application can easily be produced.

Features

 Guaranteed long time supply availability for

Industrial Applications.

 No need for an optocoupler or a transformer tertiary

winding.

The output voltage can be set by two external

resistors and the transformer turns ratio.

 Uses Original Adapted Type ON-Time Control

Technology.

High-speed load response is realized and external

phase compensation parts are unnecessary.

 Fixed switching frequency and low output ripple

 Highly efficient light load mode available (PFM

operation)

HTSOP-J8

HSON8

 Shutdown / Enable Control

 Built-in N-Channel MOSFET

 Soft start function

 Output load compensation function

 Protection functions:

VIN Under Voltage Lock-Out (VIN UVLO)

Over Current Protection (OCP)

Thermal Shutdown Protection (TSD)

Application

 Industrial equipment Isolated Power Supply

O Product structure : silicon monolithic integrated circuit O This product has no designed protection against radioactive rays

www.rohm.com

TSZ02201-0J1J0AZ01220-1-2

24.Mar.2016 Rev.002

TSZ22111・14・001

1/27

12 3 4 5 6 7...31

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