Datasheet > BD7J200HFN-LB

BD7J200HFN-LB

更新时间： 2023-09-03 20:25:15

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
41页	1557K
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。适合用于工业设备的绝缘电源。本产品是无需光电耦合器的绝缘型反激式转换器。无需以往用途中为获得稳定输出电压所需的光电耦合器、变压器3次绕组构成的反馈电路。还采用了独创的适应型导通时间控制技术，不需要外接相位补偿部件，可大幅减少部件个数，并实现小型、高可靠性的绝缘型电源应用设计。

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BD7J200HFN-LB 数据手册

Datasheet

Isolated Flyback Converter IC

With Integrated Switching MOSFET

BD7J200HFN-LB BD7J200EFJ-LB BD7J200UEFJ-LB

General Description

Key Specifications

This is the product guarantees long time support in

Industrial market.

◼ Operation Supply Voltage Range

VIN Pin:

8 V to 80 V

120 V (Max)

1.75 A (Typ)

400 kHz (Typ)

±1.5 %

This IC is an optocoupler-less isolated flyback converter.

It is not necessary to use any optocouplers and feedback

circuits by a third winding of transformers; these have

been ever required to obtain a stable output voltage in

SW Pin:

◼ Over Current Detection Current:

◼ Switching Frequency:

◼ Reference Voltage Accuracy:

◼ Current at Shutdown:

◼ Operation Current at Switching:

former applications.

Furthermore, adoption of the

0 μA (Typ)

2.8 mA (Typ)

original adapted type technology that controls on time

makes the external phase compensation parts

unnecessary, reduces a lot of parts number and

minimalizes applications, which realizes the designs of

isolated power supply application with high reliability.

◼ Operation Temperature Range: -40 °C to +125 °C

Packages

W (Typ) x D (Typ) x H (Max)

2.9 mm x 3.0 mm x 0.6 mm

HSON8

(BD7J200HFN-LB)

Features

HTSOP-J8

(BD7J200EFJ-LB BD7J200UEFJ-LB)

4.9 mm x 6.0 mm x 1.0 mm

◼ Long Time Support Product for Industrial Applications

◼ No Need of Any Optocoupler and Third Winding of

Transformer

◼ Set Output Voltage with Two External Resistor and

Ratio of Transformer Turns

◼ Adopt of Original Adapted Type Technology that

Controls On Time.

◼ No Need of External Phase Compensation Parts by

High-speed Load Response

◼ Low Output Ripple by Fixed Switching Frequency

(At normal operation)

◼ High Efficient Light Load Mode (At PFM operation)

◼ Shutdown and Enable Control

◼ Built-in 120 V Switching MOSFET

◼ Soft Start Function

HSON8

HTSOP-J8

◼ Load Compensation Function

◼ Various Protection Function

Application

Isolated Power Supply for Industrial Equipment

Input Under Voltage Lockout (VIN UVLO)

Over Current Protection (OCP)

◼

Over Voltage Protection (OVP)

Short Circuit Protection (SCP)

Thermal Shutdown (TSD)

Battery Short Protection (BSP)

Typical Application Circuit

VIN

SDX/EN

L_COMP

AGND REF PGND

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0F1F0BZ00010-1-2

20.Mar.2023 Rev.002

1/38

12 3 4 5 6 7...41

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BD7J201HFN-LB	ROHM	本产品是能够保证向工业设备市场长期供应的产品，是不需要光耦的隔离型反激式转换器。使用本产品	获取价格
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