Datasheet > BD9329AEFJ-LB_15

BD9329AEFJ-LB_15

更新时间： 2024-11-30 01:15:59

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
22页	1353K
描述
Synchronous Buck Converter integrated FET

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BD9329AEFJ-LB_15 数据手册

Datasheet

4.2V to 18V, 3A 1ch

Synchronous Buck Converter integrated FET

BD9329AEFJ-LB

General Description

Key Specifications

This is the product guarantees long time support in

Industrial market.

 Input Voltage Range:

 Output Voltage Range:

 Output Current:

 Switching Frequency

 Hi-Side FET ON-Resistance:

 Lo-Side FET ON-Resistance:

 Standby Current:

4.2V to 18V

0.9V to (V_INx 0.7)V

3.0A (Max)

The BD9329AEFJ-LB is a synchronous step-down

switching regulator with built-in two low-resistance

N-Channel MOSFETs. This IC can supply continuous

output current of 3A over a wide input range, and

provides not only fast transient response, but also

easy phase compensation because of current mode

control.

380kHz(Typ)

0.15Ω(Typ)

0.13Ω(Typ)

15μA (Typ)

-40°C to +85°C

 Operating Temperature Range:

Package

HTSOP-J8

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

Features

4.90mm x 6.00mm x 1.00mm



Long Time Support Product for Industrial

Applications.



Uses Low ESR Output Ceramic Capacitors

Low Standby Current

380 kHz Fixed Operating Frequency

Feedback Voltage

 0.9V ± 1.5%(Ta=25°C)

 0.9V ± 2.0%(Ta=-25°C to +85°C)

Protection Circuits



 Under Voltage Lockout Protection

 Thermal Shutdown

 Over Current Protection

Applications

Industrial Equipment

HTSOP-J8

Distributed Power System

Pre-Regulator for Linear Regulator

Typical Application Circuit

C_PC

3300pF

R_PC

7.5kΩ

R_DW

10kΩ

C_SS

0.1μF

R_UP

27kΩ

Thermal Pad

(to be shorted to GND)

V_IN= 12V

V_OUT= 3.3V

10µH

C_CO1

20μF

C_VC1

10μF

R_BS protects from VIN-BST short destruction.

Figure 1. Typical Application Circuit

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

www.rohm.com

TSZ02201-0323AAJ00320-1-2

16.Feb.2015 Rev.004

1/18

TSZ22111・14・001

12 3 4 5 6 7...22

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