TDA3662AT datasheet(4/20 Pages) PHILIPS

Teilenummer	TDA3662AT

Bauteilbeschribung	Very low dropout voltage/quiescent current 3.0 V voltage regulator

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Hersteller	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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4 / 20 page

2000 Apr 26

4

Philips Semiconductors

Preliminary speciﬁcation

Very low dropout voltage/quiescent current

3.0 V voltage regulator

TDA3662

handbook, halfpage

13

2

4

GND

MGU143

GND

TDA3662

VP

REG

Fig.2 Pin configuration of SO4.

handbook, halfpage

1

2

3

4

8

7

6

5

MBL133

TDA3662AT

VP

GND

n.c.

GND

REG

Fig.3 Pin configuration of SO8.

FUNCTIONAL DESCRIPTION

The TDA3662 is a fixed 3.0 V regulator which can deliver

output currents up to 100 mA. The regulator is available in

SO8 and SO4 packages. The regulator is intended for

portable, mains, telephone and automotive applications.

To increase the lifetime of batteries, a specially built-in

clamp circuit keeps the quiescent current of this regulator

very low, also in dropout and full load conditions.

The regulator remains operational down to very low supply

voltages and below this voltage it switches off.

A temperature protection circuit is included which switches

the regulator output off at a junction temperature

above 150

°C.

A new output circuit guarantees the stability of the

regulator for a capacitor output circuit with an ESR up

to 22

Ω (see Figs 5 and 6). This is very attractive as the

ESR of an electrolytic capacitor increases strongly at low

temperatures (no expensive tantalum capacitor is

required).

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Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
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TDA3662AT Datenblatt(PDF) 4 Page - NXP Semiconductors

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