ON High Efficiency DC-DC Step-Down Power Supply Chip NCP1529 Demo User Guide NCP1529 (SCY99090) is a step-down DC-DC power supply chip launched by ON Semiconductor. The output voltage is adjustable from 0.9V to 3.9V, and the maximum output current is 1A. Its switching frequency is as high as 1.7MHz. It adopts synchronous rectification technology and replaces the traditional rectifier diode with a dedicated power MOSFET with extremely low on-resistance, making the conversion efficiency as high as 96%. The entire power supply circuit is simple, small in size, and very suitable for power supply processing of precision instruments, especially in low voltage situations.
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