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iW1762号
iW1762号
初准™ 网络适配器用高性能N沟道MOSFET数字PWM控制器
一组工程师准备回答你的问题
Selectable cable drop compensation
iW1762是一种高性能AC/DC控制器,设计用于驱动用于峰值电流模式PWM反激电源的外部功率N沟道MOSFET。iW1762为输出功率在15W-24W之间的电源而优化,是网络设备和显示器中电源适配器的理想选择。
美国能源部iW1762轻松达到的外部鲍威r supply standard and the EU’s Code of Conduct, version 5, tier 2 standard, with no-load power consumption less than 20mW while complying with active mode efficiency requirements. As aPrimAccurate™controller the iW1762 does not need any direct secondary-side feedback components, eliminating the need for optocouplers, reducing component count and solution cost. Additional features include Dialog's proprietaryEZ-EMI公司™technology, adaptive multi-mode PWM/PFM control for optimal efficiency across all loads, 5 selectable cable and connector voltage drop compensation voltages, robust operation with full protection from over-voltage and over-temperature.
For information on the iW1762 Ultrabook™ solution, see the参考设计第页。
Features
- Meets Proposed Mandatory Federal Efficiency Standards for External Power Supplies1
- Meets Energy-Star® AC-DC Power Supply Efficiency Specs (Rev 2.0)
- 空载功耗小于50mW
- 主动启动在不影响空载功耗的情况下缩短了开启时间
- Optimized for an Output Power Range of 15W to 24W
- Ultra-low 300uA Operating Current at No-Load
- 79kHz PWM开关频率
- Selectable Voltage Offset Compensation for Voltage Loss in Cables and Connectors (5 Options)
- 可通过单个接地电阻器选择
Features
- 初准™-一次侧控制,无需光耦
- Intrinsically Low Noise Solution - No Audible Noise Over Entire Operating Range
- Adaptive Multi-Mode PWM/PFM Control for Optimal Efficiency Across Load Range
- EZ-EMI公司™ 设计易于满足全球电磁干扰规范
- 快速动态负载调节
- Fully Protected from Fault Conditions
- 过压/过温保护
- 输出过压、过流
- Input Undervoltage Protection
- Sense-Resistor Short Circuit Protection
雷竞技安卓下载
- 网络设备和监视器的电源适配器
- 家用电器中的交直流电源
- 为通用输入电源优化(15W-24W)
方块图
典型应用示意图雷竞技安卓下载
Functional block diagram
相关链接
Resources
Date | 版本 | |
---|---|---|
iW1762号Product Brief | 19/06/2012 | 版次。0.6 |
Date | 版本 | |
---|---|---|
What is Digital Power White Paper |
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