Description

The YB1509 is a high-power boost converter. An adjustable current limit, wide range of input voltage, and up to 40V of switch voltage are designed to drive white LEDs back-lighting for large LCD panel. It can drive up to 10 LEDs in series or 18 LEDs in parallel/series configuration.

Features

2V to 16V Input Voltage

40V Maximum Output Voltage

Drive up to 18 White LEDs

Adjustable Inductor Current

1µs Constant Off-time PFM Control

1KHz to 100KHz PWM Dimming Control

Applications

PDA, Palmtops and Smart Phones

LCD Monitor

LCD TV

Portable DVD player

White LED backlighting

GPS navigation system

Handheld Game