NCP3101 - Wide Input Voltage Synchronous Buck Converter

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP3101
Manufacturer	ON Semiconductor
File Size	579.63 KB
Description	Wide Input Voltage Synchronous Buck Converter
Datasheet	NCP3101 Datasheet
Additional preview pages of the NCP3101 datasheet.

Product details

Description

Pin No Symbol 1-4 , 36-40 PWRPHS 5-12 PWRGND 13 14,15,19,20,23 16 VCC AGND FB 17 COMP/DIS 18 21 22 24 25 26-34 35 NC TGOUT CPHS BST TGIN PWRVCC BG Description Power phase node.Drain of the low side power MOSFET and source of the high side MOSFET.Power ground.Source of the low side power MOSFET.Connected with large copper area.High current return for the low side MOSFET.Supply for the internal driver.Decouple with a 0.1 mF - 1 mF capacitor to AGND as close to the IC as possible

Features

include programmable short circuit protection and under voltage lockout (UVLO). The NCP3101 is available in a 40-pin QFN package. Features.
ăInput Voltage Range from 4.5 V to 13.2 V.
ă275 kHz Internal Oscillator.
ăGreater than 90% Maximum Efficiency.
ăBoost Pin Operates to 25 V.
ăVoltage Mode PWM Control.
ă0.8 V $1% Internal Reference Voltage.
ăAdjustable Output Voltage by Resistor Divider.
ăCapacitor Programmable Soft-Start.

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Published: May 4, 2009 |