Microsemi

Integrated Products

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

Copyright

© 2002

Rev. 0.5b, 2004-11-03

P

™

LXM1644-12-61

12V Quad 6W CCFL Programmable Inverter Module

I N T E GRA T ED

PR ODUC T S

TABLE 1

OUTPUT CURRENT SETTINGS (TWO LAMPS)

(Pin 11)

(Pin 12)

Nominal Output Current

Open*

Open*

16.0mA

Open*

Ground

14.0mA

Ground

Open*

12.0mA

Ground

Ground

10.0mA

* If driven by a logic signal it should be open collector or open drain only, not a voltage source.

PHY S ICAL DIM E N S ION S

Warning

High Voltage Present at

high side of both

Transformers and Output

Connectors

188mm

7.40in

3.18MM ±.08

36mm

1.41in

PCB tolerances ± 0.5mm

1.52mm

0.060in

8.0mm Max

0.315in

CN1

182mm

7.16in

4mm

0.16in

4mm

0.16in

4mm

0.16in

94mm

3.70in

6mm

0.23in

88mm

SIMPLIFIED BLOCK DIAGRAM

V

LO

V

HI

High Voltage Transformers

I

SENSE

OV

SENSE

V

IN1

OC

SENSE

One of two

V

HI

Z

Z

Controller and

Transform er

Driver

V

BRITE

SET

1

SET

2

+3V

10K

10K

10K

+3V

+3V