ZXLD1362

Provisional version B - July 2007

2

www.zetex.com

© Zetex Semiconductors plc 2007

Absolute maximum ratings (voltages to GND unless otherwise stated)

NOTES:

(a) Production testing of the device is performed at 25°C. Functional operation of the device and parameters specified over

a -40°C to +105°C temperature range, are guaranteed by design, characterization and process control.

threshold and output current proportionally.

supply may cause excessive heating due to increased on-resistance.

-0.3V to +60V (65V for 0.5 sec)

-0.3V to +60V (65V for 0.5 sec)

1.25A

(Refer to package thermal de-rating curve on page 16)

1W

-40 to 125°C

-55 to 150°C

These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure. Operation

at the absolute maximum ratings, for extended periods, may reduce device reliability.

Thermal resistance

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Input voltage

See note (c)

660

V

Internal regulator shutdown

threshold

4.7

V

Quiescent supply current

with output off

ADJ pin grounded

65

TBD

A

Quiescent supply current

with output switching

ADJ pin floating,

L=68 H, 3 LEDs,

f = 260kHz

1.8

TBD

mA

Mean current sense threshold

voltage

(Defines LED current setting accuracy)

95

100

105

mV

±15

%

4

TBD

A

Internal reference voltage

Measured on ADJ pin

with pin floating

1.25

V

50

ppm/°C

External control voltage range on

ADJ pin for DC brightness control(b)

0.3

2.5

V

DC voltage on ADJ pin to switch

device from active (on) state to

quiescent (off) state

0.15

0.2

0.25

V