1997 Aug 14

8

Philips Semiconductors

Preliminary specification

Multiple voltage regulator with switch

TDA3608Q

CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

supply voltage

operating

9.5

14.4

18

V

regulator 2 on

note 1

2.4

14.4

18

V

jump start

t

≤ 10 minutes

−−

30

V

load dump protection

t

−−

50

V

quiescent supply current

−

500

600

µA

−

520

−µA

Schmitt trigger power supply for regulator 1, regulator 3 and power switch

rising threshold voltage

4.0

4.5

5.0

V

falling threshold voltage

3.5

4.0

4.5

V

hysteresis voltage

−

0.5

−

V

Schmitt trigger for regulator 2

rising threshold voltage

6.0

6.5

7.1

V

falling threshold voltage

1.7

1.9

2.2

V

hysteresis voltage

−

4.6

−

V

Schmitt trigger for enable input (regulator 1, regulator 3 and power switch)

rising threshold voltage

1.7

2.2

2.7

V

falling threshold voltage

1.5

2.0

2.5

V

hysteresis voltage

0.1

0.2

0.5

V

input leakage current

1

5

10

µA

Schmitt trigger for reset

rising threshold voltage of

regulator 2

note 3

−

falling threshold voltage

of regulator 2

note 3

4.3

−

V

hysteresis voltage

0.1

0.2

0.3

V

Schmitt trigger for hold

rising threshold voltage of

regulator 1

−

falling threshold voltage

of regulator 1

9.2

−

V

hysteresis voltage

0.1

0.2

0.3

V