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TDA3606T

Multiple voltage regulator with battery detection

Philips Electronics 

Philips Semiconductors

Multiple voltage regulator with battery

detection

Product specification

TDA3606

handbook, full pagewidth

8

ESR

(Ω) 6

4

2

0

0.68 1

MBK118

(1)

stable region

(2)

10

100

output capacitor (µF)

1000

(1) Maximum ESR.

(2) Minimum ESR.

Fig.6 Curve for selecting the value of the output capacitor.

APPLICATION CIRCUITS

In Fig.7 the quiescent current equals Iq + IRdivider.

The specified quiescent current equals Iq. When the

supply voltage is connected, the regulator will switch on

when the supply voltage exceeds 7.6 V. With the aid of a

timing capacitor at pin 3 the reset can be delayed (the

timer starts at the same moment as the regulator is

switched on).

Forced reset can be accomplished by short-circuiting the

timer capacitor by using the push button switch. When the

push button is released again, the timer restarts (only

when the regulator is on) causing a second reset on both

RES1 and RES2.

The maximum output current of the regulator equals:

Imax = R-----t-h----j----a-1---×5---0--(---V–----P-T----a–---m-V---b--R---E----G---)-- = 1----5--1-5--5---×0-----–-(--V--T---P-a---m–----b-5---)-- (mA)

When Tamb = 85 °C, the maximum output current equals

45 mA. At lower ambient (Tamb < 0) temperature the

maximum output current equals 100 mA.

1998 Jun 16

9

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