LM2931ACD2T ON Semiconductor, LM2931ACD2T Datasheet

LM2931ACD2T

Manufacturer Part Number

LM2931ACD2T

Description

LOW DROPOUT VOLTAGE REGULATORS

Manufacturer

ON Semiconductor

Datasheet

1.LM2931ACD2T.pdf (16 pages)

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Low Dropout

Voltage Regulators

voltage regulators that are specifically designed to maintain proper

regulation with an extremely low input–to–output voltage differential. These

devices are capable of supplying output currents in excess of 100 mA and

feature a low bias current of 0.4 mA at 10 mA output.

devices will protect all external load circuitry from input fault conditions

caused by reverse battery connection, two battery jump starts, and

excessive line transients during load dump. This series also includes internal

current limiting, thermal shutdown, and additionally, is able to withstand

temporary power–up with mirror–image insertion.

LM2931 series is ideally suited for battery powered industrial and consumer

equipment where an extension of useful battery life is desirable. The ‘C’

suffix adjustable output regulators feature an output inhibit pin which is

extremely useful in microprocessor–based systems.

MOTOROLA ANALOG IC DEVICE DATA

The LM2931 series consists of positive fixed and adjustable output

Designed primarily to survive in the harsh automotive environment, these

Due to the low dropout voltage and bias current specifications, the

Input–to–Output Voltage Differential of < 0.6 V @ 100 mA

Output Current in Excess of 100 mA

Low Bias Current

60 V Load Dump Protection

– 50 V Reverse Transient Protection

Internal Current Limiting with Thermal Shutdown

Temporary Mirror–Image Protection

Ideally Suited for Battery Powered Equipment

Economical 5–Lead TO–220 Package with Two Optional Leadforms

Available in Surface Mount SOP–8, D 2 PAK and DPAK Packages

High Accuracy ( 2%) Reference (LM2931AC) Available

Input

Output

N.C.

Gnd

Inhibit

Input

Gnd

ADJUSTABLE

(Top View)

FIXED

(Top View)

(See Following Page for Ordering Information.)

N.C.

Gnd

Output

Adjust

Gnd

Output

PLASTIC PACKAGE

D SUFFIX

CASE 751

(SOP–8)

Heatsink surface connected to Pin 3.

PLASTIC PACKAGE

PLASTC PACKAGE

CASE 314A

CASE 314B

CASE 314D

TH SUFFIX

TV SUFFIX

T SUFFIX

ADJUSTABLE OUTPUT VOLTAGE

PLASTIC PACKAGE

Motorola, Inc. 1997

connected to Pin 2.

Heatsink surface

VOLTAGE REGULATORS

CASE 221A

DT SUFFIX

CASE 369A

T SUFFIX

Z SUFFIX

PLASTIC PACKAGE

CASE 29

case outline drawing) is connected to Pin 2.

(DPAK)

Heatsink surface (shown as terminal 4 in

D2T SUFFIX

CASE 936

LOW DROPOUT

FIXED OUTPUT VOLTAGE

(D 2 PAK)

LM2931

Order this document by LM2931/D

Series

Pin 1. Adjust

2. Output Inhibit

3. Ground

4. Input

5. Output

drawing) is connected to Pin 3.

Heatsink surface (shown as

PLASTIC PACKAGE

terminal 6 in case outline

PLASTIC PACKAGE

D2T SUFFIX

CASE 936A

DT–1 SUFFIX

(D 2 PAK)

CASE 369

(DPAK)

Pin 1. Output

Pin 1. Input

2. Ground

3. Input

2. Ground

3. Output

Rev 4

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