TLE4299_07 datasheet(13/25 Pages) INFINEON | Low-Drop Fixed Voltage Regulator

Part #	TLE4299

Description	Low-Drop Fixed Voltage Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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13 / 25 page

TLE 4299

Datasheet

13

Rev. 1.1, 2007-10-17

Figure 7

Application Diagram with Inhibit Function TLE4299 GMV33

The TLE 4299 supplies a regulated 3.3 V output voltage with an accuracy of 2% for an

input voltage between 4.4 V and 45 V in the temperature range of

T

j = – 40 to 150 °C, in

an output current range of 1 mA to 100 mA.

The device is capable to supply 150 mA with an accuracy of 3%. For protection at high

input voltage above 25 V, the output current is reduced (SOA protection).

An input capacitor is necessary for compensating line influences and to limit steep input

edges. A resistor of approx. 1

Ω in series with C

I, can damp the LC of the input inductivity

and the input capacitor.

The voltage regulator requires for stability an output capacitor

C

Q of at least 22 µF with

an 0.4

Ω < ESR < 3.7Ω for the whole load- and temperature range. For more detailed

information, refer to the characteristical curves.

AES03106

Current

and

Saturation

Control

Band-

Gap-

Reference

TLE 4299

Reset

Control

RO

Q

I

D

C

I1

V

BAT

C

D

GND

R

ADJ1

P

R

SI1

R

SI2

Reference

SI

R

SO

R

RO

R

ADJ2

SO

RADJ

C

I2

Inhibit

Logic

INH

From

KI. 15

C

Q1

22

F CQ2

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