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參數(shù)資料
| 型號： | LM2567M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | LAN DC/DC Converter |
| 中文描述： | 6 A SWITCHING REGULATOR, 52 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | 0.300 INCH, SOP-24 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 186K |
| 代理商： | LM2567M |
TL/H/11731
L
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
voltage of 5V (
g
10%) to 15V. It provides an isolated output
of
b
9V for loads of up to 180 mA, with an efficiency of 78%
(typical). The few external components required for the con-
verter are completely specified within this datasheet.
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.
Features
Y
Wide input voltage range, 5V to 15V
Y
Tight line regulation, 0.5% (typ)
Y
Output voltage tolerance
g
5%
Y
Few external components required
Y
Surface-mount packaging
Y
Fixed switching frequency of 52 kHz
operation
sponse
Y
Current-mode
for
improved
transient
re-
Typical Applications
Y
Power supply for DP8392 (LAN) coaxial transceiver:
Isolated
b
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)
TL/H/11731–2
*
No internal connection
Top View
Order Number LM2567M
See NS Package Number M24B
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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