TDA3603P datasheet(9/20 Pages) PHILIPS

9 / 20 page

1997 Aug 15

Philips Semiconductors

Product speciﬁcation

Multiple voltage regulator with switch

TDA3603

CHARACTERISTICS

VP = 14.4 V; Tamb =25 °C; see Fig.7; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

supply voltage

operating

9.75

14.4

regulator 2 on

note 1

2.4

14.4

jump start

≤ 10 minutes

−−

load dump protection

during 50 ms; tr ≥ 2.5 ms

−−

quiescent current

VP = 12.4 V; note 2

−

400

500

µA

VP = 14.4 V; note 2

−

420

−µA

Schmitt trigger power supply for the power switch

Vthr

rising voltage threshold

4.0

4.5

5.0

Vthf

falling voltage threshold

3.5

4.0

4.5

Vhys

hysteresis

−

0.5

−

Schmitt trigger for regulator 1

Vthr

rising voltage threshold

4.0

4.5

5.0

Vthf

falling voltage threshold

3.5

4.0

4.5

Vhys

hysteresis

−

0.5

−

Schmitt trigger power supply for regulator 2

Vthr

rising voltage threshold

6.0

6.5

7.1

Vthf

falling voltage threshold

1.7

1.9

2.2

Vhys

hysteresis

−

4.7

−

Schmitt trigger for enable input

Vthr

rising voltage threshold

1.7

2.2

2.7

Vthf

falling voltage threshold

1.5

2.0

2.5

Vhys

hysteresis

−

0.2

−

Schmitt trigger for reset buffer

Vr(REG2)

rising voltage of regulator 2

note 3

−

VREG2 − 0.15 −

Vf(REG2)

falling voltage of regulator 2

note 3

−

VREG2 − 0.25 −

Vspread

voltage spread on tracking

note 4

−

Schmitt trigger for ignition buffer

Vthr

rising voltage threshold

1.7

2.2

2.7

Vthf

falling voltage threshold

1.5

2.0

2.5

Vhys

hysteresis

−

0.2

−

Reset buffer

Isink

LOW-level sink current

VRES ≤ 0.8 V

−

Ileak

leakage current

VP = 14.4 V; VRES = 5 V

100

µA

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