MAX8678 - White LED Charge Pump
The MAX8678 integrates a charge pump for white lightemitting diodes (LEDs) with an audio loudspeaker amplifier.
The high-efficiency, adaptive charge pump drives up to four LEDs with constant current for uniform brightness.
The LED current is adjustable from 0.1mA/LED to 24mA/LED in 31 pseudo-logarit
MAX8678 Features
* High-Efficiency White LED Charge Pump Individual Adaptive Supply for Each LED 4 Low-Dropout LED Current Regulators 24mA to 0.1mA Dimming Range Single-Wire, Serial-Pulse Dimming Interface 1% (typ) Accuracy Low 140µA Quiescent Current
* Mono Class AB Audio Amplifier 1.1W RMS Mono BTL
