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SC4607 - High Efficiency Synchronous Buck

General Description

The SC4607 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.25V to 5.5V.

The SC4607 is capable of producing an output voltage as low as 0.5V and has a maximum duty cycle of 97%.

Key Features

  • ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Asynchronous start up BiCMOS voltage mode PWM controller Operation of frequency to 1MHz 2.25V to 5.5V input voltage range Output voltages as low as 0.5V +/-1% reference accuracy Sleep mode (Icc = 10µA typ) Adjustable lossless short circuit current limiting Combination pulse by pulse & hiccup mode current limit High efficiency synchronous switching Up to 97% duty cycle 1A peak current driver 10-pin MSOP package The SC4607 drives external, N-channel MOSFETs with a peak g.

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Datasheet Details

Part number SC4607
Manufacturer SEMTECH
File Size 362.70 KB
Description High Efficiency Synchronous Buck
Datasheet download datasheet SC4607 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Very Low Input, MHz Operation, High Efficiency Synchronous Buck POWER MANAGEMENT Description The SC4607 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.25V to 5.5V. The SC4607 is capable of producing an output voltage as low as 0.5V and has a maximum duty cycle of 97%. A high level of integration reduces external component count, and makes it suitable for low voltage applications where cost, size, and efficiency are critical. www.DataSheet4U.com SC4607 Features ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Asynchronous start up BiCMOS voltage mode PWM controller Operation of frequency to 1MHz 2.25V to 5.5V input voltage range Output voltages as low as 0.