NCP4545IMNTWG datasheet(1/10 Pages) ONSEMI

部品番号	NCP4545IMNTWG

部品情報	ecoSwitch Advanced Load Management

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メーカー	ONSEMI [ON Semiconductor]

ホームページ	http://www.onsemi.com

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January, 2012 − Rev. 1

1

Publication Order Number:

NCP4545/D

NCP4545

ecoSwitch

t

Advanced Load Management

Controlled Load Switch with Low RON

The NCP4545 load switch provides a component and area-reducing

solution for efficient power domain switching with inrush current

limit via soft start. It is designed to integrate control and driver

functionality with a high performance low on-resistance power

MOSFET in a single device. This cost effective solution is ideal for

power management and hot−swap applications requiring low power

consumption in a small footprint.

Features

• Advanced Controller with Charge Pump

• Integrated N−Channel MOSFET

• Soft−Start via Adjustable Slew Rate Control

• Low On−Resistance

• Input Voltage Range 0.5 V to 6 V

• Low Standby Current

• Load Bleed Function

• No External Components Required

• Enable Pin with CMOS Input Levels

• This is a Pb−Free Device

Typical Applications

• Notebook and Tablet Computers

• Handheld Electronics

• Digital Cameras

• Portable Medical Devices

• Hard Drives

• Peripheral Ports

Figure 1. Typical Application − No external components included

Bandgap

&

Biases

Charge

Pump

RC

Oscillator

Delay and

Slew Rate

Control

Controller

0.5 V − 6 V

Load

3 V − 5.5 V

QFN18, 3x3

CASE 485BF

MARKING

DIAGRAM

1

NCP

4545x

ALYW

G

1

x

= Blank for EN Active−High

= L for EN Active−Low

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

http://onsemi.com

RON TYP

VCC

IMAX

4.7 mW

5.0 V

10.5 A

3.3 V

5.9 mW

VIN

1.8 V

5.0 V

PIN CONFIGURATION

(Top View)

19: VIN

1

13

12

11

2

3

4

10

DELAY

VIN

GND

VCC

VIN

See detailed ordering and shipping information on page 4 of

this data sheet.

ORDERING INFORMATION

同様の部品番号 - NCP4545IMNTWG

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