MIC2297 Datasheet (Micrel Semiconductor) - 40V PWM Boost Regulator White LED Driver

MIC2297, 40V PWM Boost Regulator White LED Driver

The MIC2297 is a 600KHz PWM boost-switching regulator that is optimized for driving 6-10 series white LEDs.

With its internal 40V switch and a guaranteed switch current of 1.2A, the MIC2297 easily drives a string of 10 white LEDs in series at 20mA, ensuring a high level of brightness and eliminating

MIC2297 Features

* 2.5V to 10V input voltage range Output voltage up to 40V 1.2A switch current 600KHz PWM operation Trimmed 200mV feedback voltage Output over voltage protection