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MAX8822 - Ultra-Efficient Negative Charge-Pump LED Driver

Features

  • High-Efficiency Charge Pump for Up to Four White LEDs Independent Adaptive Voltage Supply for Each LED 24mA to 0.1mA Dimming Range 1% (typ) Current Accuracy and 0.3% Current Matching Low 65µA (typ) Quiescent Current.
  • Dual 200mA Low-Noise, High PSRR LDOs 16 Different Output Voltage Combinations Up to 3.3V High 60dB PSRR at 10kHz.
  • Flexible Single-Wire Control for Dimming and LDO Output Voltage.
  • Low 0.5µA (typ) Shutdown Mode.
  • Soft-Start Limits Inrush Cu.

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Datasheet preview – MAX8822

Datasheet Details

Part number MAX8822
Manufacturer Maxim Integrated
File Size 294.15 KB
Description Ultra-Efficient Negative Charge-Pump LED Driver
Datasheet download datasheet MAX8822 Datasheet
Additional preview pages of the MAX8822 datasheet.

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Full PDF Text Transcription

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19-0847; Rev 0; 11/07 KIT ATION EVALU LE B A IL A AV Ultra-Efficient Negative Charge-Pump LED Driver with Dual LDOs in 3mm x 3mm Thin QFN www.datasheet4u.com General Description Features ♦ High-Efficiency Charge Pump for Up to Four White LEDs Independent Adaptive Voltage Supply for Each LED 24mA to 0.1mA Dimming Range 1% (typ) Current Accuracy and 0.3% Current Matching Low 65µA (typ) Quiescent Current ♦ Dual 200mA Low-Noise, High PSRR LDOs 16 Different Output Voltage Combinations Up to 3.3V High 60dB PSRR at 10kHz ♦ Flexible Single-Wire Control for Dimming and LDO Output Voltage ♦ Low 0.5µA (typ) Shutdown Mode ♦ Soft-Start Limits Inrush Current ♦ Thermal Shutdown and Open- and Short-Circuit Protection ♦ Tiny 16-Pin, 3mm x 3mm Thin QFN Package (0.
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