1998 May 07

7

Philips Semiconductors

Product specification

Multiple voltage regulator with battery

detection

TDA3606A

Notes

2. The quiescent current is measured in standby mode. So, the battery input is connected to a low voltage source and

3. The voltage of regulator sinks as a result of a supply voltage drop.

4. The delay time can be calculated with the following formula:

5. Battery output voltage will be equal or less than the output voltage of regulator.

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

output voltage

0.5 mA

7V

4.8

5.0

5.2

V

18 V

≤ V

4.75

5.0

5.25

V

output current

−−

100

mA

∆V

REG

line regulation

7 V

−

350

mV

∆V

REGL

load regulation

0.5 mA

−−

70

mV

SVRR

supply voltage ripple rejection

55

60

−

dB

drop-out voltage

note 6

−

0.9

1

V

current limit

0.2

0.27

0.6

A

short-circuit current

50

80

−

mA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

t

d

C

d

I

ch

------- dV

thr

∫

C

d

V

thr

×

I

ch

----------------------- (ms)

==

Fig.4 Foldback current protection.

handbook, halfpage

≥50 mA

MGB853

5.0 V

1 V

VREG

Iscr

IREG

Iclr