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

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TSZ02201-0J3J0AJ00220-1-2

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TSZ22111・14・001

Datasheet

21.Feb.2014 Rev.002

7.0V to 36V Input, 2.5A Integrated MOSFET

Single Synchronous Buck DC/DC Converter

BD9E300EFJ-LB

General Description

This is the product guarantees long time support in

Industrial market.

BD9E300EFJ-LB is a synchronous buck switching regulator

with built-in power MOSFETs. It is capable of an output

current of up to 2.5A. It has a high oscillation frequency of

1MHz while using small inductance value. It is a current

mode control DC/DC converter and features high-speed

transient response. Phase compensation can also be set

easily.

Features

Long Time Support Product for Industrial

Applications.

Synchronous single DC/DC converter.

Over-Current Protection.

Short Circuit Protection.

Thermal Shutdown Protection.

Undervoltage Lockout Protection.

Soft Start.

HTSOP-J8 package (Exposed Pad).

Applications

Industrial Equipment.

Power supply for FA’s industrial device using 24V

bass.

Consumer applications such as home appliance.

Distribution type power supply system for 12V, and

24V.

Key Specifications

Input Voltage Range:

7.0V to 36V

Output Voltage Range:

Output Current:

2.5A (Max)

Switching Frequency:

1MHz (Typ)

High-Side MOSFET ON-Resistance: 170m

Ω (Typ)

Low-Side MOSFET ON-Resistance: 140m

Ω (Typ)

Standby Current:

0

μA (Typ)

Package

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

HTSOP-J8

4.90mm x 6.00mm x 1.00mm

Typical Application Circuit

Figure 1. Application circuit

2

3

6

4

7

5

1

8

VIN

24V

Enable

VIN

EN

COMP

AGND

PGND

FB

SW

BOOT

10µF

30kΩ

4700pF

12kΩ

3kΩ

0.1

μF

4.7

μH

22

μF×2

BD9E300EFJ-LB

VOUT

HTSOP-J8