TPS60251 Datasheet (Texas Instruments) - HIGH EFFICIENCY CHARGE PUMP

TPS60251, HIGH EFFICIENCY CHARGE PUMP

The TPS60251 is a high efficiency, constant frequency charge pump DC/DC converter that uses a dual mode 1× and 1.5× conversion to maximize efficiency over the input voltage range.

It drives up to five white LEDs for a main display and up to two white LEDs for a sub display with regulated constant cu

TPS60251 Features

* 1

* 3.0-V to 6.0-V Input Voltage Range

* ×1 and ×1.5 Charge Pump

* Fully Programmable Current with I2C

* 64 Dimming Steps with 25mA Maximum (Sub and Main Display Banks)

* 4 Dimming Steps with 80mA Maximum (DM5 for Auxiliary Application)

* 2% Current Ma