Datasheet > LM2941WG/883

LM2941WG/883

更新时间： 2024-11-21 22:10:39

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
10页	325K
描述
1A Low Dropout Adjustable Regulator

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LM2941WG/883 数据手册

June 1999

LM2941/LM2941C

1A Low Dropout Adjustable Regulator

automatically shut down to protect both the internal circuits

and the load. Familiar regulator features such as short circuit

and thermal overload protection are also provided.

General Description

The LM2941 positive voltage regulator features the ability to

source 1A of output current with a typical dropout voltage of

0.5V and a maximum of 1V over the entire temperature

range. Furthermore, a quiescent current reduction circuit has

been included which reduces the ground pin current when

the differential between the input voltage and the output volt-

age exceeds approximately 3V. The quiescent current with

1A of output current and an input-output differential of 5V is

therefore only 30 mA. Higher quiescent currents only exist

when the regulator is in the dropout mode (V_IN− V_OUT≤ 3V).

Features

n Output voltage adjustable from 5V to 20V

n Dropout voltage typically 0.5V I_O1A

n Output current in excess of 1A

n Trimmed reference voltage

n Reverse battery protection

n Internal short circuit current limit

n Mirror image insertion protection

n P⁺Product Enhancement tested

n TTL, CMOS compatible ON/OFF switch

Designed also for vehicular applications, the LM2941 and all

regulated circuitry are protected from reverse battery instal-

lations or two-battery jumps. During line transients, such as

load dump when the input voltage can momentarily exceed

the specified maximum operating voltage, the regulator will

Connection Diagram and Ordering Information

TO-220 Plastic Package

16-Lead Ceramic Dual-in-Line Package

DS008823-2

Front View

Order Number LM2941T or LM2941CT

See NS Package Number TO5A

DS008823-31

Top View

Order Number LM2941J/883

5962-9166701QEA

TO-263 Surface-Mount Package

See NS Package Number J16A

16-Lead Ceramic Surface Mount Package

DS008823-8

DS008823-9

Order Number LM2941S or LM2941CS

See NS Package Number TS5B

DS008823-32

Front View

Order Number LM2941WG/883

5962-9166701QYA

See NS Package Number WG16A

DS008823

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