application circuit)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

REGULATION

Operating Supply Voltage

6

25

V

Quiescent Drain Current (pin 10)

24

mA

Alternator Reg. Voltage

°C, t = 100ms

Ω (1)

°C

°C

14.26

14.60

13.32

14.55

14.84

15.50

14.17

V

V

V

Voltage Reg. Range

10% < d < 90%

± 60

mV

S

0.35

0.65

mV/

Ω

Normalized S

Temperature Coeff.

1/S* dS/dT

– 2000

ppm/

°C

Darlington Driver Satur. Voltage

200

mV

Oscillation Frequency

80

170

Hz

Standby Current (pin 1)

2

mA

DIAGNOSTIC

Overcharging Voltage

Threshold (2)

°C

Ω

–30

V

V

Low Level Phase Voltage

Threshold (no load) (4)

°C

–30

5

4.5

6

6

7

7.5

V

V

Difference

Between

Altern.

and

Supply Voltage (5)

°C

–30

2.33

2.00

3.10

3.31

3.88

4.18

V

V

Lamp Driver Saturation Voltage

1.5

V

Lamp

Driver

Voltage

without

Power Supply (6)

Ω

4.5

V

Alarm Delay

70

1.50

s

No tes : 1. d = 50 % the duty cycle of the output signal at pin 6.

3. Measured 100 ms after turn-on.

6. The lamp is switched on when the cable A is broken (IC without power voltage supply).

L585

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