Datasheet > LM320H-5.0

LM320H-5.0

更新时间： 2024-11-19 22:33:07

品牌	Logo	应用领域
美国国家半导体 - NSC		三端稳压器
页数	文件大小	规格书
12页	270K
描述
Series 3-Terminal Negative Regulators

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中文翻译

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LM320H-5.0 数据手册

November 1994

LM120/LM320

Series 3-Terminal Negative Regulators

General Description

Features

The LM120 series are three-terminal negative regulators

Preset output voltage error less than 3%

with a fixed output voltage of 5V, 12V, and 15V, and

up to 1.5A load current capability. Where other voltages are

required, the LM137 and LM137HV series provide an output

Preset current limit

Internal thermal shutdown

Operates with input-output voltage differential down to

voltage range of 1.2V to 47V.

The LM120 need only one external componentÐa compen-

sation capacitor at the output, making them easy to apply.

Worst case guarantees on output voltage deviation due to

any combination of line, load or temperature variation as-

sure satisfactory system operation.

Excellent ripple rejection

Low temperature drift

Easily adjustable to higher output voltage

LM120 Series Packages and Power Capability

Exceptional effort has been made to make the LM120 Se-

ries immune to overload conditions. The regulators have

current limiting which is independent of temperature, com-

bined with thermal overload protection. Internal current limit-

ing protects against momentary faults while thermal shut-

down prevents junction temperatures from exceeding safe

limits during prolonged overloads.

Rated

Power

Dissipation

Design

Load

Current

Device

Package

LM120/LM320

TO-3 (K)

20W

1.5A

0.5A

1.5A

0.5A

TO-39 (H)

TO-220 (T)

TO-202 (P)

Although primarily intended for fixed output voltage applica-

tions, the LM120 Series may be programmed for higher out-

put voltages with a simple resistive divider. The low quies-

cent drain current of the devices allows this technique to be

used with good regulation.

LM320

15W

7.5W

LM320M

Typical Applications

Dual Trimmed Supply

Fixed Regulator

TL/H/7767–2

*Required if regulator is separated from filter capacitor by more than 3 . For

value given, capacitor must be solid tantalum. 25 mF aluminum electrolytic

may be substituted.

Required for stability. For value given, capacitor must be solid tantalum. 25

mF aluminum electrolytic may substituted. 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.

TL/H/7767–3

1995 National Semiconductor Corporation

TL/H/7767

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

12 3 4 5 6 7...12

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与LM320H-5.0相关器件

型号	品牌	获取价格	描述	数据表
LM320H-5.0/NOPB	NSC	获取价格	5V FIXED NEGATIVE REGULATOR, MBCY3, LEAD FREE, METAL CAN, TO-39, 3 PIN
LM320H8.0	NSC	获取价格	IC,VOLT REGULATOR,FIXED,-8V,BIPOLAR,CAN,3PIN,METAL
LM320H-8.0	ETC	获取价格	Negative Fixed Voltage Regulator
LM320HG-15MWC	NSC	获取价格	IC,VOLT REGULATOR,FIXED,-15V,BIPOLAR,WAFER
LM320K12	ETC	获取价格	Analog IC
LM320K-12	NSC	获取价格	Series 3-Terminal Negative Regulators
LM320K-12MWC	NSC	获取价格	暂无描述
LM320K15	ETC	获取价格	Analog IC
LM320K-15	NSC	获取价格	Series 3-Terminal Negative Regulators
LM320K-15/NOPB	ROCHESTER	获取价格	15V FIXED NEGATIVE REGULATOR, MBFM2, ROHS COMPLIANT, METAL CAN, TO-3, 3 PIN

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