HM6543

P.1

DUAL VOLTAGE

HIGH BRIGHTNESS

EL DRIVER IC

GENERAL DESCRIPTION

FEATURE

The HM6543 is specially designed as

a dual voltage high brightness

Electroluminescent Lamp Driver IC.

Built-in RC OSC,transistors and

Only requires 4~5 extemal components.

Signals with 1Μa low standby current.

Separate voltage supply for Driver IC and

The Electroluminescent Lamp to attain

Maximum brightness.

*BIPOLAR TECHOLGY

*DUAL OPERATING VOLTAGE:

3.0V~5.0V DC

3.0V－12.0V DC

*TOTAL SUPPLY CURRENT:

*Built-in RC OSC & TRANSISTORS

*EL FREQUENCY more suitable for

BLUE Electroluminescent Lamp

*Low Current Standby Mde

APPLICATIONS

*PDA BACKLIGHT

*HANDHELD COMPUTER LCD BACKLIGHT

*LCD DISPLAY PANEL FOR INSTRUMENTATION APPARATUS

ABSOLUTE MAXIMUM RATINGS

Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

Input Voltages/Current

HON (pin 1) ……………………………-0.5V to (Vdd + 0.5V)

COIL (pin 3) …………………………….….……….. 300mA

Power Dissipation ………………………………………………………… 500mW