Datasheet > LM7915C

LM7915C

更新时间： 2024-11-22 22:51:51

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美国国家半导体 - NSC		三端稳压器
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描述
LM79XX Series 3-Terminal Negative Regulators

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LM7915C 数据手册

November 1994

LM79XX Series 3-Terminal Negative Regulators

General Description

The LM79XX series of 3-terminal regulators is available with

these devices with a specified maximum change with line

and load ensures good regulation in the voltage boosted

mode.

12V, and 15V.

fixed output voltages of

5V,

8V,

These devices need only one external componentÐa com-

pensation capacitor at the output. The LM79XX series is

packaged in the TO-220 power package and is capable of

supplying 1.5A of output current.

For applications requiring other voltages, see LM137 data

sheet.

These regulators employ internal current limiting safe area

protection and thermal shutdown for protection against vir-

tually all overload conditions.

Features

Thermal, short circuit and safe area protection

High ripple rejection

Low ground pin current of the LM79XX series allows output

voltage to be easily boosted above the preset value with a

resistor divider. The low quiescent current drain of

1.5A output current

4% tolerance on preset output voltage

Connection Diagrams

Typical Applications

TO-220 Package

Fixed Regulator

TL/H/7340–3

*Required if regulator is separated from filter capacitor by

TL/H/7340–14

more than 3 . For value given, capacitor must be solid

Front View

tantalum. 25 mF aluminum electrolytic may be substituted.

Order Number LM7905CT, LM7912CT or LM7915CT

See NS Package Number TO3B

Required for stability. For value given, capacitor must be

solid tantalum. 25 mF aluminum electrolytic may be substi-

tuted. Values given may be increased without limit.

For output capacitance in excess of 100 mF, a high current

diode from input to output (1N4001, etc.) will protect the

regulator from momentary input shorts.

1995 National Semiconductor Corporation

TL/H/7340

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

12 3 4 5 6 7...10

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