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TLE4271

5-V Low-Drop Fixed Voltage Regulator

Siemens AG 

5-V Low-Drop Fixed Voltage Regulator

TLE 4271

Features

• Output voltage tolerance ≤ ± 2%

• Low-drop voltage

• Integrated overtemperature protection

• Reverse polarity protection

• Input voltage up to 42 V

• Overvoltage protection up to 65 V (≤ 400 ms)

• Short-circuit proof

• Suitable for use in automotive electronics

• Wide temperature range

• Adjustable reset and watchdog time

P-TO220-7-11

(P-TO220-7-1)

Type

Ordering Code

TLE 4271 Q67000-A9210-A901

TLE 4271 S Q67000-A9244-A901

TLE 4271 G Q67006-A9195-A901

w TLE 4271 Q67000-A9210-C801

w TLE 4271 S Q67000-A9244-A801

w TLE 4271 G Q67006-A9195-A801

Package

P-TO220-7-11

P-TO220-7-12

P-TO263-7-1

P-TO220-7-1

P-TO220-7-2

P-TO220-7-8

w Not for new design

P-TO220-7-12

(P-TO220-7-2)

P-TO263-7-1

(P-TO220-7-8)

Functional Description

This device is a 5-V low-drop fixed-voltage regulator. The maximum input voltage is 42 V

(65 V, ≤ 400 ms). Up to an input voltage of 26 V and for an output current up to 550 mA

it regulates the output voltage within a 2 % accuracy. The short circuit protection limits

the output current of more than 650 mA. The IC can be switched off via the inhibit input.

An integrated watchdog monitors the connected controller. The device incorporates

overvoltage protection and temperature protection that disables the circuit at

unpermissibly high temperatures.

Semiconductor Group

1

1998-11-01

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