TDA3682ST datasheet(9/20 Pages) PHILIPS

9 / 20 page

2002 Mar 11

Philips Semiconductors

Product speciﬁcation

Multiple voltage regulator with

power switches

TDA3682

Notes

1. The quiescent current is measured when RL = ∞ and VEN ≤ 0.8 V.

2. The dropout voltage of a regulator is the voltage difference between VP2 and Vo(REG).

3. The foldback current protection limits the dissipation power at short-circuit.

4. The dropout voltage of regulator 2 is the voltage difference between VSTCP and Vo(REG2) and depends on the load

current (see Fig.6).

5. The dropout voltage of regulator 2 is the voltage difference between VP2 and Vo(REG2) and depends on the load

current (see Fig.7).

Regulator 5: pin REG5 (Io = 5 mA)

Vo(REG5)

output voltage of regulator 5

0.5 mA

≤ I

o ≤ 50 mA

7.87

8.2

8.53

10 V

≤ V

P2 ≤ 18 V

7.87

8.2

8.53

∆V

line

line regulation

10 V

≤ V

P2 ≤ 18 V

−

350

∆V

load

load regulation

0.5 mA

≤ I

o ≤ 50 mA

−−

100

SVRR

supply voltage ripple rejection

fi = 120 Hz; Vi = 2 V (p-p)

−

Vdrop

dropout voltage

VP2 =8V; Io = 50 mA; note 2

−

0.2

0.4

current limit

Vo >7V

−−

Isc

short-circuit current

RL ≤ 0.5 Ω; note 3

−−

Power switch 1: pin SW1

Vdrop(SW1)

dropout voltage

Io = 200 mA

−

0.6

0.8

current limit

Vo > 11.7 V

0.3

0.55

0.8

Power switch 2: pin SW2

Vdrop(SW2)

dropout voltage

Io = 200 mA

−

0.6

0.8

current limit

Vo > 11.7 V

0.3

0.55

0.8

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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