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SC1470 - Synchronous Buck Power Supply Controller

General Description

The SC1470 is a single output, constant on-time synchronous-buck, pseudo fixed frequency, PWM controller intended for use in notebook computers and other battery operated portable devices.

Key Features

  • include high efficiency and fast dynamic response with no minimum on time. The excellent transient response means that SC1470 based solutions will require less output capacitance than competing fixed frequency converters. SC1470 Features ‹ ‹ ‹ ‹ Constant on-time for fast dynamic response Programmable VOUT range = 0.5.
  • VCCA VIN range = 1.8V.
  • 25V DC current sense using low-side RDS(ON) Sensing or RSENSE in source of low-side MOSFET for greater accuracy Resistor programmable fre.

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Datasheet Details

Part number SC1470
Manufacturer SEMTECH
File Size 495.28 KB
Description Synchronous Buck Power Supply Controller
Datasheet download datasheet SC1470 Datasheet

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www.DataSheet4U.com Synchronous Buck Power Supply Controller POWER MANAGEMENT Description The SC1470 is a single output, constant on-time synchronous-buck, pseudo fixed frequency, PWM controller intended for use in notebook computers and other battery operated portable devices. Features include high efficiency and fast dynamic response with no minimum on time. The excellent transient response means that SC1470 based solutions will require less output capacitance than competing fixed frequency converters. SC1470 Features ‹ ‹ ‹ ‹ Constant on-time for fast dynamic response Programmable VOUT range = 0.5 – VCCA VIN range = 1.