TDA3602 Просмотр технического описания (PDF) - Philips Electronics

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производитель

TDA3602

Multiple output voltage regulator

Philips Electronics 

Philips Semiconductors

Multiple output voltage regulator

Product specification

TDA3602

Table 1 State control pin.

STATE

Coma

REG3 (5 V)

LOW current

Sleep

Wake

Reset

On

Power on

Power off

LOW current

HIGH current

HIGH current

HIGH current

HIGH current

off

VP1 SCHMITT TRIGGER IS TRUE

REG1 + REG2

RESET

REMARKS

off

0

stabilizer consumes low quiescent current;

state control circuit is switched off to lower the

quiescent current

off

0

state control circuit on

off

0

CPU in sleep mode

off

1

CPU called up

on

1

normal operation

off

1

VP1 rises from 0 to 8.5 V or higher

(first start-up)

off

0

VP2 falls from VP to less than 3 V

(VREG3 = 2.5 V)

handbook, full pagewidth

V REG3 < 3 V

COMA

Vsc > 3.8 V

Vsc < 3.8 V

V REG3 < 3 V

SLEEP

Vsc > 3.8 V Vsc > 3.6 V

Vsc < 2.7 V

Vbu < 3 V

Vbu > 7.9 V

WAKE

Vsc > 2.8 V

Vsc > 2.2 V

Vsc < 1.9 V

POWER OFF

POWER ON

RESET

V REG3 < 3 V

V REG3 < 3 V

Vsc > 2.0 V

or

VP < 7.1 V

Vsc < 1.1 V

and

VP > 7.6 V

ON

MCD347 - 1

Vbu = back-up voltage.

Vsc = state control voltage.

VREG3 = Regulator 3 output voltage.

July 1994

Fig.3 State diagram.

10

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