TDA3661 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

TDA3661

Very low dropout voltage/quiescent current adjustable voltage regulator

Philips Electronics 

Philips Semiconductors

Very low dropout voltage/quiescent current

adjustable voltage regulator

BLOCK DIAGRAM

Preliminary specification

TDA3661

handbook,

halfpage

VP

8

BAND GAP

1

REGULATOR

5

REG

ADJ

TDA3661

THERMAL

PROTECTION

2, 3, 6, 7

GND

MGS579

Fig.1 Block diagram.

PINNING

SYMBOL

PIN

DESCRIPTION

REG

GND

n.c.

ADJ

VP

1

regulator output

2, 3, 6 and 7 ground; note 1

4

not connected

5

feedback input

8

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

TDA3661

6 GND

5 ADJ

MGS580

2000 Feb 01

Fig.2 Pin configuration.

3

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