TDA3607 datasheet(7/16 Pages) PHILIPS

Part #	TDA3607

Description	Multiple voltage regulator with switch

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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7 / 16 page

1997 May 05

7

Philips Semiconductors

Preliminary speciﬁcation

Multiple voltage regulator with switch

TDA3607

Notes

1. Minimum operating voltage, only if VP has exceeded 4.5 V.

2. The quiescent current is measured in the standby mode. So, the enable inputs of regulator 1, 2 and 3 are LOW

(Ven < 1 V).

3. The drop-out voltage of regulators 1, 2 and 3 is measured between VP and VREGn.

4. At current limit, IREGmn is held constant (see Fig.4 for behaviour of IREGmn).

5. The foldback current protection limits the dissipated power at short-circuit (see Fig.4).

6. Perform the load regulation test with sine wave load of 10 kHz on the regulator output under test. Measure the RMS

ripple voltage on each of the remaining regulator outputs, using a 80 kHz low-pass filter.

Regulator 3 (IREG3 = 5 mA)

VREG3(off)

output voltage off

−

1

400

mV

VREG3

output voltage

1 mA

≤ IREG3 ≤ 400 mA

4.75

5.0

5.25

V

7V

≤ V

P ≤ 18 V

4.75

5.0

5.25

V

∆VREG3

line regulation

7 V

≤ VP ≤ 18 V

−−

50

mV

∆VREGL3

load regulation

1 mA

≤ IREG3 ≤ 400 mA

−

20

50

mV

IqREG3

quiescent current

IREG3 = 0.4 A

−

10

40

mA

SVRR3

supply voltage ripple

rejection

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

60

70

−

dB

VREGd3

drop-out voltage

IREG3 = 400 mA; VP =9V;

note 3

−

0.45

1.5

V

IREGm3

current limit

VREG3 > 4 V; note 4

0.45

0.9

−

A

IREGsc3

short circuit current

RL ≤ 0.5 Ω; note 5

100

300

−

mA

αct

cross talk noise

note 6

−

25

100

µV

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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