LM350BT Motorola, LM350BT Datasheet

LM350BT

Manufacturer Part Number

LM350BT

Description

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Manufacturer

Motorola

Datasheet

1.LM350BT.pdf (12 pages)

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Three-Terminal Adjustable

Output Positive Voltage

Regulator

capable of supplying in excess of 3.0 A over an output voltage range of 1.2 V

to 33 V. This voltage regulator is exceptionally easy to use and requires only

two external resistors to set the output voltage. Further, it employs internal

current limiting, thermal shutdown and safe area compensation, making it

essentially blow–out proof.

regulation. This device also makes an especially simple adjustable switching

regulator, a programmable output regulator, or by connecting a fixed resistor

between the adjustment and output, the LM350 can be used as a precision

current regulator.

MOTOROLA ANALOG IC DEVICE DATA

The LM350 is an adjustable three–terminal positive voltage regulator

The LM350 serves a wide variety of applications including local, on card

Guaranteed 3.0 A Output Current

Output Adjustable between 1.2 V and 33 V

Load Regulation Typically 0.1%

Line Regulation Typically 0.005%/V

Internal Thermal Overload Protection

Internal Short Circuit Current Limiting Constant with Temperature

Output Transistor Safe Area Compensation

Floating Operation for High Voltage Applications

Standard 3–lead Transistor Package

Eliminates Stocking Many Fixed Voltages

** = C O is not needed for stability, however, it does improve transient response.

* = C in is required if regulator is located an appreciable distance from power supply filter.

Since I Adj is controlled to less than 100 A, the error associated with

V in

C in *

0.1 F

this term is negligible in most applications.

V out

Simplified Application

1.25 V 1

I Adj

LM350

)

Adjust

R 2

R 1

)

I Adj R 2

v out

R 1

240

+ C

1 F

O **

# Automotive temperature range selections are

LM350T

LM350BT#

Motorola, Inc. 1996

available with special test conditions and additional

tests. Contact your local Motorola sales office for

information.

Device

PLASTIC PACKAGE

ADJUSTABLE POSITIVE

Heatsink surface is connected to Pin 2.

CASE 221A

VOLTAGE REGULATOR

T SUFFIX

ORDERING INFORMATION

THREE–TERMINAL

Temperature Range

T J = –40 to +125 C

SEMICONDUCTOR

TECHNICAL DATA

T J = 0 to +125 C

LM350

Order this document by LM350/D

Operating

Pin 1. Adjust

2. V out

3. V in

Plastic Power

Package

Rev 0

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