MAX8848Y Datasheet (Maxim Integrated Products) - High-Performance Negative Charge Pump for 7 White LEDs

MAX8848Y, High-Performance Negative Charge Pump for 7 White LEDs

The MAX8848Y/MAX8848Z negative charge pumps drive up to 7 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

MAX8848Y Features

* MAX8848Y/MAX8848Z Typical Operating Circuit 1µF 1µF Applications White LED Backlighting Cellular Phones PDAs, Digital Cameras, and Camcorders INPUT 2.7V TO 5.5V 1µF C1P IN GND C1N C2P C2N 1µF NEG EP LED1 D1 Ordering Information PART MAX8848YETE+T MAX8848ZETE+T DIMMING Serial pulse/ PWM PWM