TDA3665 查看數據表（PDF） - Philips Electronics

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TDA3665

Very low dropout voltage/quiescent current 8.5 V voltage regulator

Philips Electronics 

Philips Semiconductors

Very low dropout voltage/quiescent current

8.5 V voltage regulator

BLOCK DIAGRAM

Preliminary specification

TDA3665

handbook,VhPalfpage1 (8)

3 (1)

REGULATOR

REG

BAND GAP

TDA3665

THERMAL

PROTECTION

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

GND

MBL137

Pin numbers in brackets refer to 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

DESCRIPTION

supply voltage

ground; note 1

regulator output

not connected

Note

1. For the SO8 package all pins GND 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 Apr 25

3

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