Up To 500 MA, 1 MHz, High Efficiency Synchronous Step-Down DC-DC Converter In DFN Package

The NCP1508 stepdown PWM DCDC converter is optimized for portable applications powered from 1cell Liion or 3 cell Alkaline/NiCd/NiMH batteries. This DCDC converter utilizes a currentmode control architecture for easy compensation and better line regulation. It also uses synchronous rectification to increase efficiency and reduce external part count. The NCP1508 optimizes efficiency in light load conditions when switched from a normal PWM mode to a pulsed switching mode. The device also has a builtin 1 MHz (nominal) Oscillator for the PWM circuitry, or it CAN be synchronized to an external 500 kHz to 1000 kHz Clock signal. Finally, it includes an integrated softstart, cyclebycycle current limiting, and thermal shutdown protection. The NCP1508 is available in a space saving, low profile 3x3 mm 10 pin DFN package. By ON Semiconductor
NCP1508 's PackagesNCP1508 's pdf datasheet
NCP1508MNR2 DFN
NCP1508MNR2G DFN




NCP1508 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
NCP1508 Application circuits
NCP1508 circuits
This is one application circuit of NCP1508,If you need more circuits,please download NCP1508's pdf datasheet.


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