NCP5181PG datasheet(1/12 Pages) ONSEMI

Part #	NCP5181PG

Description	High Voltage High and Low Side Driver

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Manufacturer	ONSEMI [ON Semiconductor]

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March, 2006 − Rev. 2

1

Publication Order Number:

NCP5181/D

NCP5181

High Voltage High and Low

Side Driver

The NCP5181 is a High Voltage Power MOSFET Driver providing

two outputs for direct drive of 2 N−channel power MOSFETs arranged

in a half−bridge (or any other high−side + low−side) configuration.

It uses the bootstrap technique to insure a proper drive of the

High−side power switch. The driver works with 2 independent inputs

to accommodate any topology (including half−bridge, asymmetrical

half−bridge, active clamp and full−bridge

…).

Features

• High Voltage Range: up to 600 V

• dV/dt Immunity ±50 V/nsec

• Gate Drive Supply Range from 10 V to 20 V

• High and Low DRV Outputs

• Output Source / Sink Current Capability 1.1 A / 2.4 A

• 3.3 V and 5 V Input Logic Compatible

• Up to VCC Swing on Input Pins

• Matched Propagation Delays between Both Channels

• Outputs in Phase with the Inputs

• Independent Logic Inputs to Accommodate All Topologies

• Under VCC LockOut (UVLO) for Both Channels

• Pin to Pin Compatible with IR2181(S)

• These are Pb−Free Devices

Applications

• High Power Energy Management

• Half−bridge Power Converters

• Any Complementary Drive Converters (asymmetrical half−bridge,

active clamp)

• Full−bridge Converters

• Bridge Inverters for UPS Systems

PIN ASSIGNMENT

FUNCTION

IN_HI

Logic Input for High Side Driver Output In Phase

IN_LO

Logic Input for Low Side Driver Output In Phase

GND

Ground

DRV_LO

Low Side Gate Drive Output

VCC

Low Side and Main Power Supply

VBOOT

Bootstrap Power Supply

DRV_HI

High Side Gate Drive Output

BRIDGE

Bootstrap Return or High Side Floating Supply Return

http://onsemi.com

MARKING DIAGRAMS

PDIP−8

P SUFFIX

CASE 626

Device

Package

Shipping†

ORDERING INFORMATION

1

8

NCP5181P,

5181

= Specific Device Code

A

= Assembly Location

L

= Wafer Lot

Y, YY

= Year

W, WW = Work Week

G, G

= Pb−Free Package

5181

ALYWX

G

1

8

NCP5181P

AWL

YYWWG

SOIC−8

D SUFFIX

CASE 751

NCP5181PG

PDIP−8

(Pb−Free)

50 Units/Tube

NCP5181DR2G

SOIC−8

(Pb−Free)

2.500/Tape & Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

IN_HI

IN_LO

GND

DRV_LO

VBOOT

DRV_HI

BRIDGE

VCC

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