IMP528
IMP528 is HIGH-VOLTAGE EL LAMP DRIVER manufactured by IMP Inc.
Features
N N N N N N N N N 220V peak-to-peak typical AC output voltage Low Power: 420µA typical VDD current Wide operating voltage range
- from 2.0V to 6.5V Large output load capability
- drives lamps with more than 50n F capacitance Eliminates external protection resistor in series with EL lamp Adjustable output lamp frequency for control of lamp color, lamp life, and power consumption Adjustable converter frequency to minimize power consumption High-Voltage CMOS Process Micro SO package option
Applications
N N N N N N N GPS units/Pagers/Cellular phones PDAs/Handheld puters Safety illumination Portable instrumentation Battery-operated displays LCD modules Toys
4 LX CS
Block Diagram
VDD 1
RSW-OSC GND
Switch Oscillator
+
C Regulation Control
Q 7 VREF Bridge Output Driver Q 6 VB Q V A
- IMP528
REL-OSC
Lamp Drive Oscillator
528_01.eps
© 2001 IMP, Inc.
408-432-9100/.impweb.
Pin Configuration
SO/ Micro SO
VDD RSW-OSC CS LX 1 2 3 4 IMP528 8 7 6 5 REL-OSC VA VB GND
528_02.eps
Pin patible With IMP803 and IMP560
Ordering Information
Part Number
IMP528ESA IMP528EMA IMP528/D- IMP528/D1-
- Input Voltage
2.0V to 6.5V 2.0V to 6.5V 2.0V to 6.5V 2.0V to 6.5V
Regulated Output Voltage
Yes Yes Yes Yes
Temperature Range
- 40°C to +85°C
- 40°C to +85°C 25°C...
