The NCP5007 is a high efficiency boost converter operating in a current control loop, based on a PFM mode, to drive White LEDs. The current mode regulation allows a uniform brightness of the LEDs. The chip has been optimized for small ceramic capacitors and is capable of supplying up to 1.0 W output power.

FEATUREs
• Inductor Based Converter brings High Efficiency
• Constant Output Current Regulation
• 2.7 to 5.5 V Input Voltage Range
• Vout to 22 V Output Compliance Allows up to 5 LEDs to be Driven in Series which Provides Automatic LED Current Matching
• Built−in Output Overvoltage Protection
• 0.3 A Standby Quiescent Current
• Includes Dimming Function (PWM)
• Enable Function Driven Directly from Low Battery Voltage Source
• Thermal Shutdown Protection
• All Pins are Fully ESD Protected
• Low EMI Radiation
• Pb−Free Package is Available

Typical Applications
• LED Display Back Light Control
• High Efficiency Step Up Converter