IMP528ESA/T, IMP52C415T, IMP560 Selling Leads, Datasheet
MFG:IMP Package Cooled:SOP8 D/C:0549+
IMP528ESA/T, IMP52C415T, IMP560 Datasheet download
Part Number: IMP528ESA/T
MFG: IMP
Package Cooled: SOP8
D/C: 0549+
MFG:IMP Package Cooled:SOP8 D/C:0549+
IMP528ESA/T, IMP52C415T, IMP560 Datasheet download
MFG: IMP
Package Cooled: SOP8
D/C: 0549+
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PDF/DataSheet Download
Datasheet: IMP11
File Size: 177280 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: IMP11
File Size: 177280 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: IMP560
File Size: 157680 KB
Manufacturer: IMP [IMP, Inc]
Download : Click here to Download
The IMP560 is an Electroluminescent (EL) lamp driver designed for systems with low EL lamp drive voltage requirements. It is ideal for low ambient light applications or where small lamps are used. With just onehalf the inductor current of the IMP803, the IMP560 reduces system power consumption and extends battery life. Input supply voltage range is 2.0V to 6.5V and quiescent current is a low 420µA. Typical EL lamp drive voltage is ±56V.
All four EL lamp-driving functions are on-chip. These are the switchmode power supply, its high-frequency oscillator, the high-voltage H-bridge lamp driver and its low-frequency oscillator. EL lamps of up to 6nF capacitance can be driven to high brightness.
The circuit requires few external components; a single inductor, a single diode, two capacitors and three resistors. Two of these resistors set the frequencies for two internal oscillators. An internal circuit shuts down the switching regulator when the lamp drive voltage exceeds 120V peak-to-peak. This conserves power and extends battery life. A disable mode puts the chip into a low current drain mode. With a 3.0V supply, quiescent current drops to 200nA maximum, 50nA typical. The chip is disabled by connecting the oscillator frequency setting resistor RSW to ground.
The IMP560 is available in MicroSO and SO-8 packages and in die or wafer form.
·112V peak-to-peak typical AC output voltage
·Low input current (w/inductor current)......12mA
·Low disabled input current......50nA
·Wide operating voltage range - from 2.0V to 6.5V
·Simple design requires few passive components
·Adjustable output lamp frequency controls lamp color and power consumption
·Adjustable converter frequency for minimum power consumption
·IMP803 pin-compatible
·MicroSO package option