NCP1521 Adjustable Output Voltage Step-Down Converter

ON Semiconductor

Description

NCP1521 1.5 MHz, 600 mA, High-Ef ficiency, Low Quiescent Current, Adjustable Output Voltage Step-Down Converter The NCP1521 step- down PWM DC- DC con.
Pin No.

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Datasheet Specifications

Part number: NCP1521
Manufacturer: ON Semiconductor ↗
File Size: 164.09 KB
Datasheet: NCP1521_ONSemiconductor.pdf
Description: Adjustable Output Voltage Step-Down Converter

Features

* ă95.3% of Efficiency for 3.3 V Output and 4.2 V Input and 80 mA Load-Current
* ăSources up to 600 mA
* ă1.5 MHz Switching Frequency
* ăAdjustable Output Voltage from 0.9 V to 3.3 V
* ă30 mA Quiescent Current
* ăSynchronous Rectification for Higher Efficien

Applications

* powered from one cell Li- ion or three cell Alkaline/NiCd/NiMH batteries. The device is available in an adjustable output voltage from 0.9 V to 3.3 V. It uses synchronous rectification to increase efficiency and reduce external part count. The device also has a built- in 1.5 MHz (nominal) oscillator

NCP1521 Distributors

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NCP1521 Adjustable Output Voltage Step-Down Converter ON Semiconductor

ON Semiconductor NCP1521-like datasheet