NCP1597B - 2 A Synchronous Buck Regulator

Product Overview

ON Semiconductor

Datasheet Details

Part number	NCP1597B
Manufacturer	ON Semiconductor
File Size	560.24 KB
Description	2 A Synchronous Buck Regulator
Datasheet	NCP1597B Datasheet
Additional preview pages of the NCP1597B datasheet.

Product details

Description

Pin No Symbol 1 EN 2 VCC 3 VCCP 4 AGND 5 FB 6 7, 8 9, 10 EP NC LX PGND PAD Figure 1. Block Diagram Description Logic input to enable the part.Logic high turns on the part and a logic low disables it.An internal pullup forces the part into an enable state when no external bias is present on the pin.Input supply pin for internal bias circuitry.A 0.1 mF ceramic bypass capacitor is preferred to connect to this pin.Power input for the power stage Analog ground pin.Connect to thermal pad

Features

including fixed internal switching frequency (FSW), and an internal soft.
start to limit inrush current. Using the EN pin, shutdown supply current is reduced to 3 mA maximum. Other features include cycle.
by.
cycle current limiting, short.
circuit protection, power saving mode and thermal shutdown. Features.
Input Voltage Range: from 4.0 V to 5.5 V.
Internal 140 mW High.
Side Switching P.
Channel MOSFET and 90 mW Low.
Side N.

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Published: Aug 26, 2010 |