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NCP1509 High Efficiency Synchronous Step-Down DC-DC Converter

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Description

NCP1509 Up to 500 mA, 1 MHz, High Efficiency Synchronous Step *Down DC *DC Converter in DFN Package The NCP1509 step *down PWM .
Pin Number Name Type 1 GNDA Analog GND 2 GNDP Power GND 3 LX Power Output 4 VCCP Power Input 5 VCCA Power Input 6 FB Analog Input 7.

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Features

* High Efficiency: 92.5% for 1.8 V Output at 3.6 V Input and 125 mA Load Current 91% for 1.8 V Output at 3.6 V Input and 300 mA Load Current
* Digital Programmable Output Voltages: 1.05, 1.35, 1.57 or 1.8 V
* Output Current up to 500 mA at Vin = 3.6 V
* Low Quiescent

Applications

* powered from 1
* cell Li
* ion or 3 cell Alkaline/NiCd/NiMH batteries. This DC
* DC converter utilizes a current
* mode control architecture for easy compensation and better line regulation. It also uses synchronous rectification to increase efficiency and reduce external par

NCP1509 Distributors

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NCP1509 High Efficiency Synchronous Step-Down DC-DC Converter ON Semiconductor
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