Datasheet > LM79L05AC

LM79L05AC

更新时间： 2024-11-22 23:47:19

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LM79L05AC 数据手册

September 2002

LM320L/LM79LXXAC/LM13121 Series

3-Terminal Negative Regulators

ages and currents. The LM79LXXAC series is available in

the 3-lead TO-92 package, and SO-8; 8 lead package. The

LM320L series is available in the 3-lead TO-92 package.

General Description

The LM320L/LM79LXXAC/LM13121 dual marked series of

3-terminal negative voltage regulators features fixed output

voltages of −5V, −12V, and −15V with output current capa-

bilities in excess of 100mA. These devices were designed

using the latest computer techniques for optimizing the pack-

aged IC thermal/electrical performance. The LM79LXXAC

series, even when combined with a minimum output com-

pensation capacitor of 0.1µF, exhibits an excellent transient

response, a maximum line regulation of 0.07% V_O/V, and a

maximum load regulation of 0.01% V_O/mA.

For output voltage other than −5V, −12V and −15V, the

LM137L series provides an output voltage range from 1.2V

to 47V.

Features

n Preset output voltage error is less than 5% overload,

line and temperature

n Specified at an output current of 100mA

n Easily compensated with a small 0.1µF output

capacitor

n Internal short-circuit, thermal and safe operating area

protection

n Easily adjustable to higher output voltages

n Maximum line regulation less than 0.07% V_OUT/V

n Maximum load regulation less than 0.01% V_OUT/mA

The LM320L/LM79LXXAC/LM13121 series also includes, as

self-protection circuitry: safe operating area circuitry for out-

put transistor power dissipation limiting, a temperature inde-

pendent short circuit current limit for peak output current

limiting, and a thermal shutdown circuit to prevent excessive

junction temperature. Although designed primarily as fixed

voltage regulators, these devices may be combined with

simple external circuitry for boosted and/or adjustable volt-

Typical Applications

Connection Diagrams

Fixed Output Regulator

SO-8 Plastic (Narrow Body)

00774804

Top View

Order Number LM79L05ACM, LM79L12ACM

LM79L15ACM, LM79L05ACMX,

LM79L12ACMX or LM79L15ACMX

See NS Package Number M08A

00774801

*Required if the regulator is located far from the power supply filter. A 1µF

aluminum electrolytic may be substituted.

* Required for stability. A 1µF aluminum electrolytic may be substituted.

Adjustable Output Regulator

TO-92 Plastic Package (Z)

00774802

Bottom View

Order Number LM320LZ-5.0, LM79L05ACZ,

LM320LZ-12, LM79L12ACZ, LM320LZ-15 or

LM79L15ACZ, LM13121Z-12, LM13121Z-15,

LM13121Z-5.0

00774803

−V = −5V − (5V/R1 + I ) • R2,

5V/R1 3 I

See NS Package Number Z03A

DS007748

www.national.com

12 3 4 5 6 7

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与LM79L05AC相关器件

型号	品牌	获取价格	描述	数据表
LM79L05ACM	NSC	获取价格	3-Terminal Negative Regulators
LM79L05ACM	TI	获取价格	Series 3-Terminal Negative Regulators
LM79L05ACM/NOPB	TI	获取价格	Series 3-Terminal Negative Regulators
LM79L05ACMDA	NSC	获取价格	5V FIXED NEGATIVE REGULATOR, UUC, DIE
LM79L05ACM-NOPB	TI	获取价格	Series 3-Terminal Negative Regulators
LM79L05ACMX	NSC	获取价格	3-Terminal Negative Regulators
LM79L05ACMX	TI	获取价格	Series 3-Terminal Negative Regulators
LM79L05ACMX/NOPB	NSC	获取价格	IC VREG 5 V FIXED NEGATIVE REGULATOR, PDSO8, PLASTIC, SOIC-8, Fixed Negative Single Output
LM79L05ACMX/NOPB	TI	获取价格	Series 3-Terminal Negative Regulators
LM79L05ACTL	NSC	获取价格	3-Terminal Negative Regulators

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