2000 Feb 01

3

Philips Semiconductors

Preliminary specification

Low dropout voltage/quiescent current

8.5 V voltage regulator with enable

TDA3675

BLOCK DIAGRAM

handbook, halfpage

MGL829

REGULATOR

2, 3, 6, 7

1

GND

8

REG

VP

5

EN

BAND GAP

TDA3675

THERMAL

PROTECTION

Fig.1 Block diagram.

PINNING

Note

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

also be used to reduce the total thermal resistance

The ground plane on the top side of the Printed-Circuit

Board (PCB) acts like a heat spreader.

SYMBOL

PIN (SO8)

DESCRIPTION

REG

1

regulator output

GND

2, 3, 6 and 7

ground; note 1

n.c.

4

not connected

EN

5

enable input

8

supply voltage

handbook, halfpage

1

2

3

4

8

7

6

5

MGL830

TDA3675

VP

GND

GND

GND

EN

n.c.

GND

REG

Fig.2 Pin configuration.