TLE4274 datasheet(1/13 Pages) SIEMENS

Part #	TLE4274

Description	Low-Drop Voltage Regulator

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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1 / 13 page

P-TO220-3-1

P-TO252-3-1

P-TO263-3-1

Low-Drop Voltage Regulator

TLE 4274

Semiconductor Group

1

1998-11-01

Features

• Output voltage tolerance

≤ ± 4 %

• Low-drop voltage

• Very low current consumption

• Short-circuit proof

• Reverse polarity proof

• Suitable for use in automotive electronics

SMD = Surface Mounted Device

Functional Description

The TLE 4274 is a low-drop voltage regulator in a

TO220 package. The IC regulates an input voltage up

to 40 V to

V

Qrated = 5.0 V (V50), 8.5 V (V85) and 10 V

(V10). The maximum output current is 400 mA. The IC

is short-circuit proof and incorporates temperature

protection that disables the IC at over temperature.

Type

Ordering Code

Package

TLE 4274 V10

Q67000-A9258

P-TO220-3-1

TLE 4274 V85

Q67000-A9257

P-TO220-3-1

TLE 4274 V50

Q67000-A9256

P-TO220-3-1

TLE 4274 D V50

Q67006-A9331

P-TO252-3-1

TLE 4274 G V10

Q67006-A9261

P-TO263-3-1

TLE 4274 G V50

Q67006-A9259

P-TO263-3-1

TLE 4274 G V85

Q67006-A9260

P-TO263-3-1

Dimensioning Information on External Components

The input capacitor

C

I is necessary for compensating line influences. Using a resistor of

approx. 1

Ω in series with C

I, the oscillating of input inductivity and input capacitance can

be damped. The output capacitor

C

Q is necessary for the stability of the regulation circuit.

Stability is guaranteed at values

C

Q ≥ 22 µF and an ESR of ≤ 3 Ω within the operating

temperature range.

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TLE4274 Datasheet(PDF) 1 Page - Siemens Semiconductor Group

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