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NCV8856ADBR2G PDF预览

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.

NCV8856ADBR2G 数据手册

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DATA SHEET  
www.onsemi.com  
Synchronous Buck  
Controller, Automotive  
Grade  
TSSOP20  
SUFFIX DB  
CASE 948E  
NCV8856A  
The NCV8856A is an adjustable output, synchronous buck  
controller, which drives dual Nchannel 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 lowdropout 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 softstart, low quiescent current sleep  
mode, programmable frequency, SYNC function, average current  
limiting, cyclebycycle overcurrent protection and thermal  
shutdown.  
MARKING DIAGRAM  
NCV88  
56A  
ALYW  
NCV8856A = Specific Device Code  
A
L
Y
W
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
Features  
ORDERING INFORMATION  
Average Current Mode Control  
Device  
NCV8856ADBR2G  
Package  
Shipping  
0.8 V 2% Reference Voltage  
TSSOP20  
(PbFree)  
2500 / Tape  
& Reel  
Wide Input Voltage Range of 4.5 V to 38 V  
Operates through Load Dump Conditions  
6.0 V Lowdropout Linear Regulator (LDO)  
Input UVLO (Undervoltage Lockout)  
Internal Softstart  
6.2 mA Maximum Quiescent Current in Sleep Mode  
Adaptive Nonoverlap 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 Highside Gate Offtime  
Programmable Fixed Frequency – 170 kHz to 500 kHz  
External Clock Synchronization up to 600 kHz  
Average Current Limiting (ACL)  
CyclebyCycle Overcurrent Protection (OCP)  
Thermal Shutdown (TSD)  
This is a PbFree Device  
Applications  
Automotive Systems Requiring High Current  
Preregulated Supply for Lowvoltage SMPSs and LDOs  
© Semiconductor Components Industries, LLC, 2017  
1
Publication Order Number:  
June, 2023 Rev. 1  
NCV8856A/D  

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