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IMP803 Datasheet

Part Number IMP803
Manufacturers IMP Inc
Logo IMP  Inc
Description HIGH-VOLTAGE EL LAMP DRIVER
Datasheet IMP803 DatasheetIMP803 Datasheet (PDF)

IMP803 POWER MANAGEMENT High-Voltage EL Lamp Driver The IMP803 is an Electroluminescent (EL) lamp driver with the four EL lamp driving functions 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. The IMP803 drives EL lamps of up to 30nF capacitance to high brightness; EL lamps with capacitances greater than 30nF can be driven, but will be lower in light output. The typical regulated output volta.

  IMP803   IMP803






Part Number IMP809
Manufacturers IMP Inc
Logo IMP  Inc
Description 3-Pin Microcontroller Power Supply Supervisor
Datasheet IMP803 DatasheetIMP809 Datasheet (PDF)

IMP809, IMP81 0 POWER MANAGEMENT 3-Pin Microcontroller Power Supply Supervisor The IMP809/IMP810 are 3.0V, 3.3V and 5.0V power supply supervisor circuits optimized for low-power microprocessor (µP), microcontroller (µC) and digital systems. The IMP809/810 are improved drop-in replacements for the Maxim MAX809/810 and feature 60% lower supply current. A reset signal is issued if the power supply voltage drops below a preset reset threshold and is asserted for at least 140ms after the supply has .

  IMP803   IMP803







Part Number IMP805
Manufacturers IMP Inc
Logo IMP  Inc
Description P POWER SUPPLY SUPERVISOR
Datasheet IMP803 DatasheetIMP805 Datasheet (PDF)

IMP690A , 692A , 802L/M, 805L POWER MANAGEMENT µP Power Supply Supervisor with Battery Backup Switch The IMP690A/IMP692A/IMP802L/IMP802M/IMP805L simplify power supply monitoring and control in microprocessor systems. Each circuit implements four functions: Reset control, watchdog monitoring, batterybackup switching and power-failure monitoring. In addition to microprocessor reset under powerup and power-down conditions, these devices provide battery-backup switching to maintain control in power.

  IMP803   IMP803







Part Number IMP802
Manufacturers IMP Inc
Logo IMP  Inc
Description P POWER SUPPLY SUPERVISOR
Datasheet IMP803 DatasheetIMP802 Datasheet (PDF)

IMP690A , 692A , 802L/M, 805L POWER MANAGEMENT µP Power Supply Supervisor with Battery Backup Switch The IMP690A/IMP692A/IMP802L/IMP802M/IMP805L simplify power supply monitoring and control in microprocessor systems. Each circuit implements four functions: Reset control, watchdog monitoring, batterybackup switching and power-failure monitoring. In addition to microprocessor reset under powerup and power-down conditions, these devices provide battery-backup switching to maintain control in power.

  IMP803   IMP803







HIGH-VOLTAGE EL LAMP DRIVER

IMP803 POWER MANAGEMENT High-Voltage EL Lamp Driver The IMP803 is an Electroluminescent (EL) lamp driver with the four EL lamp driving functions 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. The IMP803 drives EL lamps of up to 30nF capacitance to high brightness; EL lamps with capacitances greater than 30nF can be driven, but will be lower in light output. The typical regulated output voltage that is applied to the EL lamp is 180V peak-topeak. The circuit requires few external components, a single inductor, single diode, two capacitors and three resistors. Two of these resistors set the frequency for two internal oscillators. The IMP803 operates over a 2.0V to 6.5V supply voltage range. A regulated, low-power source can supply the low quiescent current of the IMP803. The inductor may be driven from an independent, unregulated supply voltage in dual supply applications. An internal circuit shuts down the switching regulator when the lamp drive voltage reaches 180V peak-to-peak. This conserves power and extends battery life. The IMP803 is available in MicroSO and SO-8 packages and in die or wafer form. Key Features N Low Power: 420µA typical VDD current N Wide operating voltage range - from 2.0V to 6.5V N 180V peak-to-peak typical AC output voltage N Large output load capability - drive lamps with more than 30nF capacitance N Adjustable output lamp frequency for control o.


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