Datasheet > NCP5351/D

NCP5351/D

更新时间： 2024-11-11 23:53:27

品牌	Logo	应用领域
其他 - ETC		驱动器
页数	文件大小	规格书
12页	710K
描述
4A Synchronous Buck Power Mosfet Driver

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NCP5351/D 数据手册

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

gates of both high– 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.

4 Amp 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 µA, 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

DIAGRAM

SO–8

D SUFFIX

CASE 751

5351

ALYW

= Assembly Location

WL, L = Wafer Lot

YY, Y

= Year

WW, W = Work Week

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

available in a standard SO–8 package.

PIN CONNECTIONS

DRN

PGND

Features

• 4 A Peak Drive Current

BST

• 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

ORDERING INFORMATION

• Floating Top Driver Accommodates Applications Up to 25 V

• Undervoltage Lockout to Prevent Switching when the Input

Voltage is Low

Device

Package

SO–8

Shipping

98 Units/Rail

NCP5351D

• Thermal Shutdown Protection Against Overtemperature

• < 1 mA Quiescent Current – Enabled

2500 Tape & Reel

NCP5351DR2

SO–8

• 25 µA Quiescent Current – Disabled

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

Turn On of High–Side MOSFET

 Semiconductor Components Industries, LLC, 2002

Publication Order Number:

December, 2002 – Rev. 7

NCP5351/D

12 3 4 5 6 7...12

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与NCP5351/D相关器件

型号	品牌	获取价格	描述	数据表
NCP5351D	ONSEMI	获取价格	4 A Synchronous Buck Power MOSFET Driver
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

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