Datasheet > BD7F105EFJ-C (新产品)

BD7F105EFJ-C (新产品)

更新时间： 2023-09-03 20:25:24

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
35页	1194K
描述
BD7F105EFJ-C是不需要光耦的隔离型反激式转换器。该产品不需要由光电耦合器或变压器辅助绕组组成的反馈电路，有助于削减应用产品的部件数量。另外，该产品还通过采用ROHM自有的自适应导通时间控制技术，实现了高速负载响应。此外，还具有多种保护功能，可提高隔离型电源应用设计的可靠性。

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Datasheet

Isolated DC/DC Converter IC

Isolated Type Fly-back Converter IC

with Integrated Switching MOSFET

for Automotive

BD7F105EFJ-C

General Description

Key Specifications

◼ Input Voltage Range:

VIN Pin

BD7F105EFJ-C is an opto-coupler-less isolated flyback

converter. Feedback circuit by optocouplers or the

auxiliary winding of transformers becomes unnecessary,

contributing to reduction of set parts. Furthermore, the

adoption of original adapted ON-time control technology

enables fast load response. In addition, the various

protection function realizes the designs of isolated power

supply application for high reliability.

3.4 V to 42.0 V

60 V (Max)

363 kHz (Typ)

± 2.8 % (Typ)

0 μA (Typ)

SW Pin

◼ Switching Frequency:

◼ Reference Voltage Precision:

◼ Shutdown Current:

◼ Operating Ambient Temperature Range

-40 °C to +125 °C

Features

Package

HTSOP-J8

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

◼ AEC-Q100 Qualified^{(Note 1)}

4.9 mm x 6.0 mm x 1.0 mm

◼ No Need for Optocoupler and Third Winding of

Transformer

◼ Set Output Voltage with Two External Resistors and

Ratio of Transformer Turns

◼ Adopt of Original Adapted ON-time Control Technology

Fast Load Response

◼ High Efficiency at Light Load Mode (PFM Operation)

◼ Shutdown Function / Enable Control

◼ Built-in 60 V Switching MOSFET

◼ Frequency Spectrum Spread

◼ Soft Start Function

◼ Load Compensation Function

◼ Various Protection Function

Input Low Voltage Lockout (UVLO)

Over Current Protection (OCP)

Thermal Shutdown (TSD)

Applications

◼

Automotive Isolated Power Supplies

(E-Comp, Inverter etc)

◼

Industrial Isolated Power Supplies

REF Pin Open Protection (REFOPEN)

Short Circuit Protection (SCP)

Battery Short Protection (BSP)

◼ HTSOP-J8 Package

(Note 1) Grade 1

Typical Application Circuit

VOUT+

VIN

SDX/EN

VOUT-

REF GND

L_COMP

RFB

RREF

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

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0F1F0A200870-1-2

01.Mar.2022 Rev.001

1/32

12 3 4 5 6 7...35

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