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NCP1280DR2G

更新时间： 2024-09-18 04:11:35
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
18页 133K
描述
Active Clamp Voltage Mode PWM Controller for Off-Line Applications

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中文翻译

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NCP1280DR2G 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP16,.25
针数：16Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.21
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：16 V
最小输入电压：7.5 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：9.9 mm湿度敏感等级：3
功能数量：1端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.01 A封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260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：320 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

NCP1280DR2G 数据手册

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NCP1280  
Active Clamp Voltage Mode  
PWM Controller for Off−Line  
Applications  
The NCP1280 provides a highly integrated solution for off−line  
power supplies requiring high−efficiency and low parts count. This  
voltage mode controller provides control outputs for driving a forward  
converter primary MOSFET and an auxiliary MOSFET for active  
clamp circuit. The second output with its programmable delay can also  
be used for driving a synchronous rectifier on the secondary or for  
asymmetric half bridge circuits. Incorporation of high voltage startup  
circuitry (with 700 V capability) reduces parts count and system  
power dissipation. Additional features such as line UV/OV protection,  
soft−start, single resistor programmable (high) frequency oscillator,  
line voltage feedforward, dual mode overcurrent protection and  
maximum duty cycle control, allow converter optimization at minimal  
cost. Compared to a traditional forward converter, an NCP1280 based  
converter can offer significant efficiency improvements and system  
cost savings.  
http://onsemi.com  
MARKING  
DIAGRAM  
16  
SO−16  
D SUFFIX  
CASE 751B  
NCP1280  
AWLYWW  
16  
1
1
NCP1280= Device Code  
A
= Assembly Location  
WL  
Y
= Wafer Lot  
= Year  
WW  
= Work Week  
Features  
• Internal High Voltage Startup Regulator (25 V to 700 V)  
• Dual Control Outputs with Adjustable Overlap Delay  
• Programmable Maximum Duty Cycle Control  
• Single Resistor Oscillator Frequency Setting  
• Fast Line Feedforward  
PIN CONNECTIONS  
1
16  
V
in  
V
AUX  
NC  
UV/OV  
FF  
OUT1  
GND  
OUT2  
CS  
t
D
• Line Under/Overvoltage Lockout  
• Dual Mode Overcurrent Protection  
• Programmable Soft−Start  
C
V
V
SS  
SKIP  
REF  
R
T
EA  
DC  
MAX  
• Precision 5.0 V Reference  
• Pb−Free Package is Available*  
Typical Applications  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 4 of this data sheet.  
• Off−Line Power Converters in 100−500 W Range  
• Desktop Power Supplies (High−End)  
• Industrial Power Supplies  
*For additional information on our Pb−Free strategy  
and soldering details, please download the  
ON Semiconductor Soldering and Mounting  
Techniques Reference Manual, SOLDERRM/D.  
• Plasma/LCD TV Front−End  
L
out  
TX1  
Startup  
C
clamp  
+
M3  
Feedforward  
+
SR Drive  
V
in  
C
V
−
M
clamp  
out  
out  
−
V
in  
FF  
NCP1280  
OUT2  
OUT1  
UV/OV  
Driver  
M1  
M2  
t
D
Overlap  
Delay  
Error  
Amplifier  
Opto  
Figure 1. Forward Converter for Off−line Applications Using PFC Inputs  
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number  
February, 2005 − Rev. 3  
NCP1280/D  
1234567...18

中文翻译

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NCP1280DR2G 替代型号

型号 品牌 替代类型 描述 数据表
NCP1215ADR2G ONSEMI

类似代替

 Low Cost Variable OFF Time Switched Mode Power Supply Controller
NCP1280DR2 ONSEMI

类似代替

 Active Clamp Voltage Mode PWM Controller for Off-Line Applications
NCP1380BDR2G ONSEMI

功能相似

 Quasi-Resonant Current-Mode Controller for High-Power Universal Off-Line Supplies

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