TDA3673 Просмотр технического описания (PDF) - Philips Electronics

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производитель

TDA3673

Very low dropout voltage/quiescent current 3.3 V voltage regulator with enable

Philips Electronics 

Philips Semiconductors

Very low dropout voltage/quiescent current

3.3 V voltage regulator with enable

BLOCK DIAGRAM

Preliminary specification

TDA3673

handbook, halfpage

VP

8

5

EN

BAND GAP

1

REGULATOR

REG

TDA3673

THERMAL

PROTECTION

2, 3, 6, 7

GND

MGS593

Fig.1 Block diagram.

PINNING

SYMBOL

PIN

DESCRIPTION

REG

GND

n.c.

EN

VP

1

2, 3, 6 and 7

4

5

8

regulator output

ground; note 1

not connected

enable input

supply voltage

Note

1. All GND pins are connected to the lead frame and can

also be used to reduce the total thermal resistance

Rth(j-a) by soldering these pins to a ground plane.

The ground plane on the top side of the PCB acts like

a heat spreader.

handbook, halfpage

REG 1

GND 2

GND 3

n.c. 4

8 VP

7 GND

TDA3673

6 GND

5 EN

MGS594

2000 Feb 01

Fig.2 Pin configuration.

3

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