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NCP5211AD PDF预览

NCP5211AD

更新时间: 2024-11-26 10:28:03
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
16页 122K
描述
Low Voltage Synchronous Buck Controller

NCP5211AD 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SO-14
针数:14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT/VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:14 V最小输入电压:4.5 V
JESD-30 代码:R-PDSO-G14JESD-609代码:e0
长度:8.65 mm湿度敏感等级:1
功能数量:1端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:330 kHz
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn80Pb20)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

NCP5211AD 数据手册

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NCP5211A  
Low Voltage Synchronous  
Buck Controller  
The NCP5211A is a low voltage synchronous buck controller. It  
contains all required circuitry for a synchronous buck converter using  
external N−Channel MOSFETs. High current internal gate drivers are  
http://onsemi.com  
capable of driving low R  
NFETs for better efficiency. The  
DS(on)  
NCP5211A is in a 14 pin package to minimize PCB area.  
The NCP5211A provides overcurrent protection, undervoltage  
lockout, soft start and built in adaptive nonoverlap. The NCP5211A is  
adjustable over a frequency range of 150 kHz to 750 kHz. This gives  
the designer more flexibility to make efficiency and component size  
compromises. The NCP5211A will operate on a single supply or a  
separate boost supply.  
MARKING  
DIAGRAM  
14  
SOIC−14  
D SUFFIX  
CASE 751A  
NCP5211A  
BWLYWW  
1
B
= Assembly Location  
WL = Wafer Lot  
= Year  
Features  
Switching Regulator Controller  
Y
WW = Work Week  
N−Channel Synchronous Buck Design  
1.0 Amp Gate Drive Capability  
200 ns Transient Response  
PIN CONNECTIONS  
1
Programmable Operating Frequency of 150 kHz−750 kHz  
0.8 V 1% Internal Reference  
Lossless Inductor Sensing Overcurrent Protection  
Cycle−by−Cycle Short Circuit Protection  
Programmable Soft Start  
GATE(H)  
PGND  
GATE(L)  
BST  
LGND  
V
C
V
FFB  
IS+  
IS−  
V
FB  
COMP  
SGND  
V
CC  
R
OSC  
40 ns GATE Rise and Fall Times (3.3 nF Load)  
70 ns Adaptive FET Nonoverlap Time  
Differential Remote Sense Capability  
System Power Management  
ORDERING INFORMATION  
Operation with a Conversion Rail of 5.0 V or 12 V  
Undervoltage Lockout  
On/Off Control Through Use of the COMP Pin  
Max Duty Cycle Clamped to 70% for Forward Converter Control  
Device  
Package  
SO−14  
SO−14  
Shipping†  
NCP5211AD  
55 Units/Rail  
NCP5211ADR2  
2500 Tape & Reel  
†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.  
Applications  
Set Top Devices  
Forward Converters  
Buck Converters  
Point of Load Regulation  
Semiconductor Components Industries, LLC, 2003  
1
Publication Order Number:  
December, 2003 − Rev. 3  
NCP5211A/D  

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