TS317 datasheet(1/8 Pages) TSC | 3-Terminal Adjustable Output Positive Voltage Regulator

1 page

TS317

3-Terminal Adjustable Output Positive Voltage Regulator

Output Voltage Range From

1.25V to 37V

Output Current up to 1.5A

General Description

The TS317 is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over an output

voltage range of 1.25 V to 37 V. This voltage regulator is exceptionally easy to use and require 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.

The TS317 is offered in 3-pin TO-220, TO-263, TO-252 and SOT-223 package.

Features

Output current up to 1.5A

* TO-220/TO-263 for 1.5A

* TO-252/SOT-223 for 500mA

Output Adjustable between 1.25 V and 37 V

Internal Thermal Overload Protection

Internal Short-Circuit Current Limiting Constant with

Temperature

Output Transistor Safe-Area Compensation

Floating Operation for High Voltage Applications

Eliminates Stocking Many Fixed Voltages

Output voltage offered in 4% tolerance

Ordering Information

Part No.

Operating Temp.

Package

TS317CZ

TO-220

TS317CM

TO-263

TS317CP

TO-252

TS317CW

-20 ~ +150

SOT-223

Standard Application

Vout = 1.25 V * (1 + R2 / R1 ) + Iadjj * R2

Since IAdj is controlled to less than 100 µA, the error

associated with this term is negligible in most applications

A common ground is required between the input and the

output voltages. The input voltage must remain typically

2.0V above the output voltage even during the low point

on the Input ripple voltage.

* = Cin is required if regulator is located an appreciable

distance from power supply filter.

** = Co is not needed for stability; however, it does

improve transient response.

TO-263

Pin assignment:

1. Adjustable

2. Output

3. Input

(Heatsink surface connected to pin 2)

TS317

1-8

2003/12 rev. D

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