TDA3629 datasheet(8/28 Pages) PHILIPS

8 / 28 page

1996 Sep 04

Philips Semiconductors

Product speciﬁcation

Light position controller

TDA3629

CHARACTERISTICS

VP = 12 V; RL = 14 Ω. All voltages are deﬁned with respect to ground. Positive currents ﬂow into the device.

Values measured in Fig.10 with RSET = RFB = 20 kΩ; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VP(min)

under voltage threshold

−

VP(max)

over voltage threshold

Tamb = 25 °C

−

Tamb = −40 to +105 °C

17.5

−

22.8

IP(ss)

supply current, steady state

note 1

−

IP − Im

supply current, motor active

Im < 400 mA; note 2

−

Im < 900 mA; note 2

−

Setting input (SET)

VSET

operating voltage

1.5

−

0.95VP

ISET

input current

RSET > 20 kΩ

−250

−

+250

µA

VSET(sc)

wire short-circuited to ground

threshold

output stages switched off

−

wire short-circuited to battery

threshold

output stages switched off

−

∆V

SET

broken ground set pull-up

note 3

−

160

Feedback input (FB)

VFB

voltage

1.5

−

0.95VP

IFB(max)

maximum input current

RFB > 20 kΩ

−250

−

+250

µA

Motor outputs

V

m

output voltage

I

m < 700 mA;

Tamb = 25 °C; note 2

VP − 2.9 −

−

Im < 700 mA;

Tamb = −40 to +105 °C;

note 2

VP − 3.4 −

−

I

m

output current

VP ≥ 12.3 V;

Tamb = 25 °C; note 2

670

−

VP ≥ 12.3 V;

Tamb = −40 to +105 °C;

note 2

635

−

Reference current

I

SET

motor switch-on level

VP = 12 V

µA

VP = 18 V

µA

motor switch-off level

−

2.5

−

µA

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