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NCP4308DMTTWG PDF预览

NCP4308DMTTWG

更新时间： 2024-11-09 00:58:31
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管
页数 文件大小 规格书
29页 385K
描述
Synchronous Rectifier Controller

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中文翻译

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NCP4308DMTTWG 技术参数

是否无铅： 不含铅生命周期：Active
包装说明：VSON,Reach Compliance Code：compliant
Factory Lead Time：4 weeks风险等级：1.51
其他特性：CONFIGURED AS FLYBACK AND LLC TOPOLOGY模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制技术：RESONANT CONTROL最大输入电压：35 V
最小输入电压：4.2 V标称输入电压：12 V
JESD-30 代码：S-PDSO-N8长度：2 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VSON封装形状：SQUARE
封装形式：SMALL OUTLINE, VERY THIN PROFILE座面最大高度：0.8 mm
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：Nickel/Gold/Palladium (Ni/Au/Pd)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
宽度：2 mmBase Number Matches：1

NCP4308DMTTWG 数据手册

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NCP4308  
Product Preview  
Synchronous Rectifier  
Controller  
The NCP4308 is a synchronous rectifier controller for switch mode  
power supplies. The controller enables high efficiency designs for  
flyback, quasi resonant flyback and LLC topologies.  
Externally adjustable minimum off−time and on−time blanking  
periods provides flexibility to drive various MOSFET package types  
and PCB layout. A reliable and noise less operation of the SR system is  
insured due to the Self Synchronization feature. The NCP4308 also  
utilizes Kelvin connection of the driver to the MOSFET to achieve high  
efficiency operation at full load.  
The precise turn−off threshold, extremely low turn−off delay time  
and high sink current capability of the driver allow the maximum  
synchronous rectification MOSFET conduction time. The high  
accuracy driver and 5 V gate clamp make it ideally suited for directly  
driving GaN devices.  
www.onsemi.com  
MARKING  
DIAGRAMS  
8
8
NCP4308x  
ALYW G  
G
1
SOIC−8  
D SUFFIX  
CASE 751  
1
1
4308x  
ALYWG  
G
DFN8  
MN SUFFIX  
CASE 488AF  
Features  
• Self−Contained Control of Synchronous Rectifier in CCM, DCM and  
QR for Flyback or LLC Applications  
• Precise True Secondary Zero Current Detection  
1
• Rugged Current Sense Pin (up to 150 V)  
• Adjustable Minimum ON−Time  
ExMG  
WDFN8  
MT SUFFIX  
CASE 511AT  
G
• Adjustable Minimum OFF-Time with Ringing Detection  
• Adjustable Maximum ON−Time for CCM Controlling of Primary  
QR Controller  
4308x = Specific Device Code  
x = A, B, C, D or Q  
• Improved Robust Self Synchronization Capability  
• 8 A / 4 A Peak Current Sink / Source Drive Capability  
Ex  
= Specific Device Code  
x = A, 2, C, D or Q  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
A
L
Y
W
M
G
• Operating Voltage Range up to V = 35 V  
CC  
• GaN Transistor Driving Capability (options A and C)  
• Low Startup Current Consumption  
• Maximum Operation Frequency up to 1 MHz  
• SOIC-8 and DFN−8 (4x4) and WDFN8 (2x2) Packages  
• These are Pb−Free Devices  
= Date Code  
= Pb−Free Package  
(Note: Microdot may be in either location)  
ORDERING INFORMATION  
Typical Applications  
See detailed ordering and shipping information on page 26 of  
this data sheet.  
• Notebook Adapters  
• High Power Density AC/DC Power Supplies (Cell Phone Chargers)  
• LCD TVs  
• All SMPS with High Efficiency Requirements  
This document contains information on a product under development. ON Semiconductor  
reserves the right to change or discontinue this product without notice.  
© Semiconductor Components Industries, LLC, 2015  
1
Publication Order Number:  
September, 2015 − Rev. P0  
NCP4308/D  
1234567...29

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