Datasheet > LM2567M

LM2567M

更新时间： 2024-11-22 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器开关光电二极管局域网
页数	文件大小	规格书
8页	188K
描述
LAN DC/DC Converter

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LM2567M 数据手册

November 1992

LM2567

LAN DC/DC Converter

General Description

The LM2567 DC/DC converter is intended for use in LAN

applications as a power supply for the DP8392 Coaxial

Transceiver. The converter may be operated from an input

Features

Wide input voltage range, 5V to 15V

Tight line regulation, 0.5% (typ)

Output voltage tolerance 5%

voltage of 5V ( 10%) to 15V. It provides an isolated output

of 9V for loads of up to 180 mA, with an efficiency of 78%

Few external components required

Surface-mount packaging

(typical). The few external components required for the con-

verter are completely specified within this datasheet.

Fixed switching frequency of 52 kHz

Current-mode operation for improved transient re-

sponse

Protection features for the LM2567-based DC/DC converter

include thermal and current limit. Undervoltage lockout and

soft-start are incorporated to minimize the inrush current

during start-up.

Typical Applications

Power supply for DP8392 (LAN) coaxial transceiver:

Isolated 9V output for up to 180 mA load

Typical Application

DC-to-DC Converter for DP8392 Coaxial Transceiver

TL/H/11731–1

Connection Diagram and Ordering Information

24-Lead Surface Mount (M)

Order Number LM2567M

See NS Package Number M24B

TL/H/11731–2

*No internal connection

Top View

1995 National Semiconductor Corporation

TL/H/11731

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7 8

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