IMP5246CPW, IMP5246CPW 1, IMP525 Selling Leads, Datasheet
MFG:IMP Package Cooled:07+/08+ D/C:24-pin, TSSOP
IMP5246CPW, IMP5246CPW 1, IMP525 Datasheet download
Part Number: IMP5246CPW
MFG: IMP
Package Cooled: 07+/08+
D/C: 24-pin, TSSOP
IMP5246CPW, IMP5246CPW 1, IMP525
- Table of contents:
Info of IMP5246CPW
Info of IMP5246CPW 1
Info of IMP525
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About IMP5246CPW
PDF/DataSheet Download
Datasheet: IMP5246CPW
File Size: 231184 KB
Manufacturer: IMP
Download : Click here to Download
About IMP11
PDF/DataSheet Download
Datasheet: IMP11
File Size: 177280 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About IMP525
PDF/DataSheet Download
Datasheet: IMP525
File Size: 195599 KB
Manufacturer: IMP [IMP, Inc]
Download : Click here to Download
IMP525 General Description
The IMP525 is an Electroluminescent (EL) lamp driver designed for systems that must operate below 1 volt. The input supply voltage range is 0.9V to 2.5V. Typical output lamp drive voltage is 112V. All four EL lampdriving functions are on-chip. These are the switch-mode 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; one inductor, one diode, one capacitor and two resistors. The resistors set the frequency for the two oscillators.
A disable mode puts the chip into a low current-drain state. When disabled, quiescent current drops to 2mA maximum with a VDD of 1.5V. The chip can be disabled by connecting RSW, the oscillator frequency setting resistors, to ground. Adisable pad, accessible only on the die, can also be used to disable the driver.
An internal circuit shuts down the switching regulator when the lamp drive voltage exceeds 112V peak-to-peak. This conserves power and extends battery life.
The IMP525 is available in MicroSO and SO-8 packages and in die form.
IMP525 Maximum Ratings
Supply Voltage, VDD, VRSW-OSC and VREL-OSC . . 0.5V to +3.5V
Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
Power Dissipation (SO package) . . . . . . . . . . . . . . . . . . . .400mW
Power Dissipation (MicroSO package) . . . . . . . . . . . . . . . .300mW
Note: All voltages are referenced to GND.
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may affect device reliability.
Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
Power Dissipation (SO package) . . . . . . . . . . . . . . . . . . . .400mW
Power Dissipation (MicroSO package) . . . . . . . . . . . . . . . .300mW
Note: All voltages are referenced to GND.
These are stress ratings only and functional operation is not implied. Exposure to absolute maximum ratings for prolonged time periods may affect device reliability.
IMP525 Features
·Wide operating voltage range - from 0.9V to 2.5V
·Simple design requires few passive components
·112V peak-to-peak typical AC output voltage
·Adjustable output frequency controls lamp color and power consumption
·Adjustable converter frequency minimizes circuit power consumption
·Disable mode extends battery life
·Disable current under 2mA
·Compact MicroSO package option
·Simple design requires few passive components
·112V peak-to-peak typical AC output voltage
·Adjustable output frequency controls lamp color and power consumption
·Adjustable converter frequency minimizes circuit power consumption
·Disable mode extends battery life
·Disable current under 2mA
·Compact MicroSO package option
IMP525 Typical Application
·Audio/TV remote control units
·Pagers/Cellular phones
·PDAs
·Clocks and radios
·Portable GPS receivers
·LCD modules
·Toys
·Pagers/Cellular phones
·PDAs
·Clocks and radios
·Portable GPS receivers
·LCD modules
·Toys
IMP525 Connection Diagram
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