1.9MHz, 600mA Synchronous Step-Down DC-DC Converter

The PT1202 is a high efficiency monolithic current mode synchronous buck Regulator with a constant operation frequency. A main Switch and a synchronous Switch are integrated in PT1202 the device has high efficiency and no external Schottky Diode needed. Supply current is 300uA during operation and drops to 1A in shutdown. The 2.5V to 5.5V input voltage range makes the PT1202 ideally suited for single Li-Ion battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Automatic skip cycle operation mode at light loads provides very low output ripple for noise sensitive applications. Internal 1.9MHz switching frequency allowing the use of small surface mount inductors and capacitors. Ultra low output voltages are easily available with the 0.6V feedback reference voltage. By China Resources Powtech (Shanghai) Co., Ltd
PT1202 's PackagesPT1202 's pdf datasheet



PT1202 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
PT1202 Application circuits
PT1202 circuits
This is one application circuit of PT1202,If you need more circuits,please download PT1202's pdf datasheet.


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