Datasheet > NCP43080

NCP43080

更新时间： 2024-11-09 00:58:43

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
36页	453K
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Synchronous Rectifier Controller

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NCP43080 数据手册

NCP43080

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Synchronous Rectifier

Controller

The NCP43080 is a synchronous rectifier controller for switch

mode power supplies. The controller enables high efficiency designs

for flyback and quasi resonant flyback topologies.

www.onsemi.com

Externally adjustable minimum off−time and on−time blanking

periods provides flexibility to drive various MOSFET package types

and PCB layout. A reliable and noise less operation of the SR system is

insured due to the Self Synchronization feature. The NCP43080 also

utilizes Kelvin connection of the driver to the MOSFET to achieve high

efficiency operation at full load and utilizes a light load detection

architecture to achieve high efficiency at light load.

MARKING

DIAGRAMS

43080x

ALYW G

SOIC−8

D SUFFIX

CASE 751

The precise turn−off threshold, extremely low turn−off delay time

and high sink current capability of the driver allow the maximum

synchronous rectification MOSFET conduction time. The high

accuracy driver and 5 V gate clamp make it ideally suited for directly

driving GaN devices.

43080x

ALYWG

DFN8

MN SUFFIX

CASE 488AF

Features

• Self−Contained Control of Synchronous Rectifier in CCM, DCM and

QR for Flyback, Forward or LLC Applications

• Precise True Secondary Zero Current Detection

• Rugged Current Sense Pin (up to 150 V)

• Adjustable Minimum ON−Time

FxMG

WDFN8

MT SUFFIX

CASE 511AT

• Adjustable Minimum OFF-Time with Ringing Detection

• Adjustable Maximum ON−Time for CCM Controlling of Primary

QR Controller

43080x = Specific Device Code

x = A, B, C, D or Q

= Specific Device Code

x = A, 2, C, D or Q

= Assembly Location

= Wafer Lot

• Improved Robust Self Synchronization Capability

• 8 A / 4 A Peak Current Sink / Source Drive Capability

• Operating Voltage Range up to V = 35 V

= Year

= Work Week

= Date Code

= Pb−Free Package

• Automatic Light−load & Disable Mode

• Adaptive Gate Drive Clamp

• GaN Transistor Driving Capability (options A and C)

• Low Startup and Disable Current Consumption

• Maximum Operation Frequency up to 1 MHz

• SOIC-8 and DFN−8 (4x4) and WDFN8 (2x2) Packages

• These are Pb−Free Devices

(Note: Microdot may be in either location)

ORDERING INFORMATION

See detailed ordering and shipping information on page 33 of

this data sheet.

Typical Applications

• Notebook Adapters

• High Power Density AC/DC Power Supplies (Cell Phone Chargers)

• LCD TVs

• All SMPS with High Efficiency Requirements

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

Publication Order Number:

November, 2015 − Rev. P0

NCP43080/D

12 3 4 5 6 7...36

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与NCP43080相关器件

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NCP43080ADR2G	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP43080AMTTWG	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP43080DDR2G	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP43080DMNTWG	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP43080DMTTWG	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP43080QDR2G	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP4308ADR2G	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP4308AMTTWG	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP4308DDR2G	ONSEMI	获取价格	Synchronous Rectifier Controller
NCP4308DMNTWG	ONSEMI	获取价格	Synchronous Rectifier Controller

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