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NCV8851BDBR2G

更新时间： 2024-10-26 12:19:55
品牌 Logo 应用领域
安森美 - ONSEMI 控制器
页数 文件大小 规格书
18页 222K
描述
Automotive Grade Synchronous Buck Controller

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中文翻译

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NCV8851BDBR2G 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.77模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：40 V最小输入电压：4.5 V
标称输入电压：13.2 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e4长度：6.5 mm
湿度敏感等级：3功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-40 °C标称输出电压：6 V
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.2 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：575 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mm

NCV8851BDBR2G 数据手册

 浏览型号NCV8851BDBR2G的Datasheet PDF文件第2页浏览型号NCV8851BDBR2G的Datasheet PDF文件第3页浏览型号NCV8851BDBR2G的Datasheet PDF文件第4页浏览型号NCV8851BDBR2G的Datasheet PDF文件第5页浏览型号NCV8851BDBR2G的Datasheet PDF文件第6页浏览型号NCV8851BDBR2G的Datasheet PDF文件第7页 
NCV8851B  
Automotive Grade  
Synchronous Buck  
Controller  
The NCV8851B 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 a wide input voltage range (4.5 V to 40 V) and is capable of 10 to  
1 voltage conversion at 500 kHz.  
http://onsemi.com  
TSSOP−20  
SUFFIX DB  
CASE 948E  
Additional controller features include undervoltage lockout,  
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  
Features  
NCV  
8851B  
ALYWG  
G
• Average Current Mode Control  
• 0.8 V 2% Reference Voltage  
• Wide Input Voltage Range of 4.5 V to 40 V  
• Operates through Load Dump Conditions  
• 6.0 V Low−dropout Linear Regulator (LDO)  
• Input UVLO (Undervoltage Lockout)  
• Internal Soft−start  
NCV8851B = Specific Device Code  
A
L
Y
W
G
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
• 1.0 mA Maximum Quiescent Current in Sleep Mode  
• Adaptive Non−overlap Circuitry  
(Note: Microdot may be in either location)  
• 150 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)  
ORDERING INFORMATION  
†
Device  
Package  
Shipping  
NCV8851BDBR2G TSSOP−20 2500/Tape & Reel  
(Pb−Free)  
• Cycle−by−Cycle Overcurrent Protection (OCP)  
• Thermal Shutdown (TSD)  
†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.  
• This is a Pb−Free Device  
Applications  
• Automotive Systems Requiring High Current  
• Pre−regulated Supply for Low−voltage SMPSs and LDOs  
© Semiconductor Components Industries, LLC, 2010  
1
Publication Order Number:  
June, 2010 − Rev. 1  
NCV8851B/D  
1234567...18

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