YB1509 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.
YB1509 Key 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