NCP5351D

更新时间： 2024-09-23 22:50:59

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器
页数	文件大小	规格书
14页	188K
描述
4 A Synchronous Buck Power MOSFET Driver

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NCP5351D 数据手册

NCP5351

4 A Synchronous Buck

Power MOSFET Driver

The NCP5351 is a dual MOSFET gate driver optimized to drive the

gates of both high−side and low−side Power MOSFETs in a

Synchronous Buck converter. The NCP5351 is an excellent

companion to multiphase controllers that do not have integrated gate

drivers, such as ON Semiconductor’s CS5323, CS5305 or CS5307.

This architecture provides a power supply designer the flexibility to

locate the gate drivers close to the MOSFETs.

The 4.0 A drive capability makes the NCP5351 ideal for minimizing

switching losses in MOSFETs with large input capacitance. Optimized

internal, adaptive nonoverlap circuitry further reduces switching

losses by preventing simultaneous conduction of both MOSFETs.

The floating top driver design can accommodate MOSFET drain

voltages as high as 25 V. Both gate outputs can be driven low, and

supply current reduced to less than 25 mA, by applying a low logic

level to the Enable (EN) pin. An undervoltage lockout function

ensures that both driver outputs are low when the supply voltage is

low, and a thermal shutdown function provides the IC with

overtemperature protection.

http://onsemi.com

MARKING

DIAGRAMS

SO−8

D SUFFIX

CASE 751

5351

ALYW

QFN−10

5351

ALYW

MN SUFFIX

CASE 485C

The NCP5351 is pin−to−pin compatible with the SC1205 and is

available in a standard SO−8 package and thermally enhanced

QFN−10.

= Assembly Location

= Wafer Lot

= Year

= Work Week

Features

• 4.0 A Peak Drive Current

• Rise and Fall Times < 15 ns Typical into 6000 pF

• Propagation Delay from Inputs to Outputs < 20 ns

• Adaptive Nonoverlap Time Optimized for Large Power MOSFETs

• Floating Top Driver Accommodates Applications Up to 25 V

PIN CONNECTIONS

SO−8

DRN

PGND

• Undervoltage Lockout to Prevent Switching when the Input

Voltage is Low

BST

• Thermal Shutdown Protection Against Overtemperature

QFN−10

• < 1.0 mA Quiescent Current − Enabled

• 25 mA Quiescent Current − Disabled

• Internal TG to DRN Pulldown Resistor Prevents HV Supply−Induced

Turn On of High−Side MOSFET

DRN

GND

N/C

BST

N/C

ORDERING INFORMATION

†

Device

Package

SO−8

Shipping

98 Units/Rail

NCP5351D

2500 Tape & Reel

NCP5351DR2

SO−8

NCP5351MNR2 QFN−10

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

June, 2004 − Rev. 9

NCP5351/D

12 3 4 5 6 7...14

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NCP5351D 替代型号

型号	品牌	替代类型	描述	数据表
NCP5351DR2G	ONSEMI	类似代替	4 A Synchronous Buck Power MOSFET Driver
NCP5351DR2	ONSEMI	类似代替	4 A Synchronous Buck Power MOSFET Driver

与NCP5351D相关器件

型号	品牌	获取价格	描述	数据表
NCP5351DG	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
NCP5351DR2	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
NCP5351DR2G	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
NCP5351MNR2	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
NCP5351MNR2G	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
NCP5355	ONSEMI	获取价格	12 V Synchronous Buck Power MOSFET Driver
NCP5355/D	ETC	获取价格	12V Synchronous Buck Power MOSFET Driver
NCP5355D	ROCHESTER	获取价格	2 A HALF BRDG BASED MOSFET DRIVER, PDSO8, SOIC-8
NCP5355D	ONSEMI	获取价格	12 V Synchronous Buck Power MOSFET Driver
NCP5355DG	ONSEMI	获取价格	12 V Synchronous Buck Power MOSFET Driver, SOIC-8 Narrow Body, 98-TUBE

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