TDA3663 Просмотр технического описания (PDF) - Philips Electronics

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производитель

TDA3663

45 V, very low dropout voltage/quiescent current 3.3 V voltage regulator

Philips Electronics 

Philips Semiconductors

Very low dropout voltage/quiescent current

3.3 V voltage regulator

BLOCK DIAGRAM

Preliminary specification

TDA3663

handbook,VhPalfpage1 (8)

3 (1)

REGULATOR

REG

BAND GAP

TDA3663

THERMAL

PROTECTION

2, 4 (2, 3, 6, 7)

GND

MGS584

Pins between brackets are for the SO8 version.

Fig.1 Block diagram.

PINNING

SYMBOL

VP

GND

REG

n.c.

SO4

1

2 and 4

3

−

PIN

SO8

8

2, 3, 6 and 7

1

4 and 5

supply voltage

ground; note 1

regulator output

not connected

DESCRIPTION

Note

1. For the SO8 package 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.

2000 Feb 01

3

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