TDA3618 datasheet(13/24 Pages) PHILIPS

13 / 24 page

1999 Sep 01

Philips Semiconductors

Preliminary speciﬁcation

Multiple voltage regulator with switch and

ignition buffers

TDA3618JR

∆VL

load regulation

1 mA

≤ IREG2 ≤ 150 mA

−

1mA

≤ I

REG2 ≤ 300 mA

−−

100

SVRR

supply voltage ripple

rejection

f = 3 kHz; Vi(p-p) =2V

−

drop-out voltage

IREG2 = 100 mA;

VP = 4.75 V; note 7

−

0.4

0.6

IREG2 = 200 mA;

VP = 5.75 V; note 7

−

0.8

1.2

IREG2 = 100 mA;

Vbu = 4.75 V; note 10

−

0.2

0.5

IREG2 = 200 mA;

Vbu = 5.75 V; note 10

−

0.8

1.0

IREG2m

current limit

VREG2 > 4.5 V; note 8

0.32

0.37

−

IREG2sc

short-circuit current

RL ≤ 0.5 Ω; note 9

100

−

Regulator 3 (IREG3 = 5 mA; unless otherwise speciﬁed)

VO(off)

output voltage off

−

400

VO(REG3)

output voltage

1 mA

≤ IREG3 ≤ 750 mA

4.75

5.0

5.25

≤ V

P ≤ 18 V

4.75

5.0

5.25

∆V

line regulation

7 V

≤ V

P ≤ 18 V

−

250

∆V

load regulation

1 mA

≤ IREG3 ≤ 750 mA

−

100

quiescent current

IR3 = 750 mA

−

SVRR

supply voltage ripple

rejection

fi = 3 kHz; Vi(p-p) =2V

−

drop-out voltage

IREG3 = 500 mA;

VP = 5.75 V; note 7

−

1.5

IREG3m

current limit

VREG3 > 4.5 V; note 8

0.80

0.90

−

IREG3sc

short-circuit current

RL ≤ 0.5 Ω; note 9

100

400

−

Power switch

drop-out voltage

ISW = 1 A; VP = 13.5 V;

note 11

−

0.45

0.70

ISW = 1.8 A; VP = 13.5 V;

note 11

−

1.0

1.8

Idc

continuous current

VP = 16 V; VSW = 13.5 V

1.8

2.0

−

Vclamp

clamping voltage

VP ≥ 17 V

13.5

15.0

16.0

peak current

VP = 17 V; notes 6, 12, 13

−−

Vfb

ﬂy back voltage behaviour ISW = −100 mA

−

VP + 3

Isc

short-circuit current

VP = 14.4 V; VSW < 1.2 V;

note 13

−

0.8

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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