Datasheet > NCV8856ADBR2G

NCV8856ADBR2G

更新时间： 2024-10-27 11:13:31

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
21页	309K
描述
Synchronous Buck Controller with adjustable output voltage. Drives dual N-channel MOSFETs. Input Supply Range 4.5 V to 38 V.

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NCV8856ADBR2G 数据手册

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www.onsemi.com

Synchronous Buck

Controller, Automotive

Grade

TSSOP−20

SUFFIX DB

CASE 948E

NCV8856A

The NCV8856A is an adjustable output, synchronous buck

controller, which drives dual N−channel MOSFETs, ideal for high

power applications. Average current mode control is employed for

very fast transient response and tight regulation over wide input

voltage and output load ranges. The IC incorporates an internal fixed

6.0 V low−dropout linear regulator (LDO), which supplies charge to

the switch mode power supply’s (SMPS) bottom gate driver, limiting

the power lost to excess gate drive. The IC is designed for operation

over an input voltage range of 4.5 V to 38 V and is capable of 10 to 1

voltage conversion at 500 kHz.

Additional controller features include undervoltage lockout,

overvoltage shutdown, internal soft−start, low quiescent current sleep

mode, programmable frequency, SYNC function, average current

limiting, cycle−by−cycle overcurrent protection and thermal

shutdown.

MARKING DIAGRAM

NCV88

56A

ALYW

NCV8856A = Specific Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

Features

ORDERING INFORMATION

• Average Current Mode Control

†

Device

NCV8856ADBR2G

Package

Shipping

• 0.8 V 2% Reference Voltage

TSSOP−20

(Pb−Free)

2500 / Tape

& Reel

• Wide Input Voltage Range of 4.5 V to 38 V

• Operates through Load Dump Conditions

• 6.0 V Low−dropout Linear Regulator (LDO)

• Input UVLO (Undervoltage Lockout)

• Internal Soft−start

• 6.2 mA Maximum Quiescent Current in Sleep Mode

• Adaptive Non−overlap Circuitry

†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.

• 180 ns Minimum High−side Gate Off−time

• Programmable Fixed Frequency – 170 kHz to 500 kHz

• External Clock Synchronization up to 600 kHz

• Average Current Limiting (ACL)

• Cycle−by−Cycle Overcurrent Protection (OCP)

• Thermal Shutdown (TSD)

• This is a Pb−Free Device

Applications

• Automotive Systems Requiring High Current

• Pre−regulated Supply for Low−voltage SMPSs and LDOs

Publication Order Number:

June, 2023 − Rev. 1

NCV8856A/D

12 3 4 5 6 7...21

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与NCV8856ADBR2G相关器件

型号	品牌	获取价格	描述	数据表
NCV8856DBR2G	ONSEMI	获取价格	Automotive Grade Synchronous Buck Controller
NCV8870	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV887000	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV887000D1R2G	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV887001	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV887001D1R2G	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV8871	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV8871_16	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV8871_17	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller
NCV887100	ONSEMI	获取价格	Automotive Grade Non-Synchronous Boost Controller

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