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