MAX8847Y Datasheet (Maxim Integrated Products) - High-Performance Negative Charge Pump for 6 White LEDs

MAX8847Y, High-Performance Negative Charge Pump for 6 White LEDs

The MAX8847Y/MAX8847Z negative charge pumps drive up to 6 white LEDs with regulated constant current for display backlight applications.

By utilizing an inverting charge pump and extremely low-dropout adaptive current regulators, these ICs achieve very high efficiency over the full 1-cell Li+ batter

MAX8847Y Features

* MAX8847Y/MAX8847Z Typical Operating Circuit 1µF 1µF INPUT 2.7V TO 5.5V 1µF C1P IN GND C1N C2P C2N 1µF NEG EP LED1 D1 Applications White LED Backlighting Cellular Phones PDAs, Digital Cameras, and Camcorders LED ENABLE AND DIMMING CONTROL ENA ENB MAX8847Y MAX8847Z LED2 D2 Ordering Informa