NCP1581 - High Frequency Synchronous Step-Down PWM Controller

ON Semiconductor

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Datasheet Details

Part number	NCP1581
Manufacturer	ON Semiconductor
File Size	400.93 KB
Description	High Frequency Synchronous Step-Down PWM Controller
Datasheet	NCP1581_ONSemiconductor.pdf

NCP1581 Product details

Description

Block Diagram NCP1581 NCP1581 Table 1. PIN FUNCTION DESCRIPTION Pin Name Description 1 FB Inverting input to the error amplifier.This pin is connected to the output of the regulator via resistor divider to set the output voltage and provide feedback to the error amplifier.2 VP/EN Dual function pin.Non inverting input to the error amplifier.Enable input.3 NC No Connect 4 VCC This pin provides power for the internal blocks of the IC as well as powers the low side driver.A

Features

a programmable soft start set by an external capacitor, under.
voltage lockout and output under.
voltage detection that latches off the device when an output short is detected. Features.
Power up Sequencing / Tracking.
Enable Input.
Internal 400 kHz Oscillator.
Programmable Soft.
Start.
Fixed Frequency Voltage Mode.
Voltage Mode Adaptive Deadtime.
This is a Pb.
Free Device.

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Published: Aug 26, 2010 |