《国际电子商情》数字版2010年6月刊 - (Page 57)

Gen2.1 SupIR Buck™高度集成的稳压器峰值效率超越96% IR的Gen2.1 SupIRBuck™ 器件，为您的POL设计节省时间、空间和能源在600kHz��率和12 Vin下，IR3840W在不同 ��流情况下的效率特性： 96 效率(%) 97 95 94 93 92 91 90 89 88 87 86 85 84 83 82 1 2 3 4 5 • 宽输入电压范围(1.5V至16V，5V偏压) • 小尺寸(5x6mm)和超薄(0.9mm)设计 • 可编程频率高达1.5MHz • 精度为1%的 0.7V参考电压 • 可编程Hiccup电流限制保护及软启动 1.8V 3.3V 5.0V • 增强型pre-bias启动 12 6 7 8 9 10 11 • 过热保护 • 具电压检测功能的使能管脚 • 有过压和欠压检测的PGood信号 • 输出电压时序(IR3840/1/2/3W)及DDR 内存电压追踪(IR3831/32W) • 工作结温(Tj)由-40˚C到125˚C ��流(A) IR384XW/ 3XW SUPIRBUCK™ 系列的改进 • 增加了过压检测(PGOOD比较器) • 死区时间更短以减少功率损耗 • 降低内置下管的RDS(on)最大值, 提供精度更高的过流限制 • 更多电流选择型号 IR3843WM IR3842WM IR3841WM IR3840WM IR3832WM IR3831WM 封装 5x6 PQFN 5x6 PQFN 5x6 PQFN 5x6 PQFN 5x6 PQFN 5x6 PQFN 输入电压 1.5V 至 16V 1.5V 至 16V 1.5V 至 16V 1.5V 至 16V 1.5V 至 16V 1.5V 至 16V 最大电流 2A 4A 8A 12A 4A 8A 最高频率 1.5MHz 1.5MHz 1.5MHz 1.5MHz 1.5MHz 1.5MHz 额外功能过压检测、时序过压检测、时序过压检测、时序过压检测、时序过压检测、 DDR追踪过压检测、 DDR追踪 • 与Gen2 SupIRBuck产品管脚兼容 www.irf.com www.irf.com.cn 如有任何查询，请利用 IR 网上 [客户关系管理] 回执与我们联系。网址 : www.irf.com.cn/contact。 SupIRBuck是国际整流器公司的商标。 THE POWER MANAGEMENT LEADER http://www.irf.com.cn http://www.irf.com.cn http://www.irf.com http://www.irf.com.cn http://www.irf.com.cn/contact http://www.irf.com.cn http://www.irf.com.cn

Table of Contents for the Digital Edition of 《国际电子商情》数字版2010年6月刊

STC MCU Co Ltd
Digi-Key Corporation
STC MCU Co Ltd
STC MCU Co Ltd
STC MCU Co Ltd
Premier Electronics (Shanghai) Co Ltd
Texas Instruments HK Ltd
DongGuan ShiLong HuaTong Electronic Co Ltd
Excelpoint Systems (HK) Limited
Micrel Semiconductor
Mitsumi Electric Co Ltd
Mitsumi Electric Co Ltd
Burnon International Limited
Switchlab Inc
WPG Holdings Limited
Advanced MP HK Ltd
Burnon International Limited
Analog Devices
Shenzhen Changyuntong Design Co Ltd
SinoHub Inc
Innostor Technology Corporation
Shenzhen Secom Telecom Co Ltd
National Semiconductor Hong Kong Ltd
Wuhan P&S Information Technology Co Ltd
Silicon Laboratories
Honestar Technologies Co Ltd
Powertek Group Co Limited
Renesas Electronics
Asiacom Technology (HK) Ltd
Qualtek Electronics Ltd
Jiangsu Skysoon Communication Co Ltd
Shenzhen Cestar Electronic Technology Co Ltd
A-Bright Industrial Co Ltd
Fengbao Electronic Technology (Shanghai) Co Ltd
Cytech Technology Ltd/Linear Technology
Conquer Electronics Co Ltd
BYD Company Limited
Lampek Enterprise Development (HK) Limited
National Semiconductor Hong Kong Ltd
Hong Kong Baite (Group) Electronic Co Ltd
Hong Kong Baite (Group) Electronic Co Ltd
International Rectifier
Compo Electronics Asia Limited
Richardson Electronics
Excel Cell Electronic Co Ltd
SyncMOS Technologies Inc
ROHM Co Ltd
Advanced Power Electronics Corp
Mouser Electronics
Shenzhen Mornsun Electronics Co Ltd
Walter Electronic Co Ltd
OTAX
BCD Semiconductor Manufacturing Limited
DHL
BJ Spaceflight Rising
Intersil Corporation
Shanghai Haier Intergrated Circuit Co Ltd
ZLG-MCU Development Co Ltd
Fuhua Electronic (HK) Co Ltd
Yeebo LCD Ltd
CviLux Corporation
Nanjing AH Electronic Science & Technology Co Ltd
Up Teks Co Ltd
Wochacha Information Technology (Shanghai) Co Ltd
Protronic Asia Limited
Xiamen Letdo Electron Co Ltd
Shenzhen Hi-Hone Electronics Co Ltd
Chitron Electronics Co Ltd
Beijing Yisheng Leju Service Company
Xiamen Ningly Electronics Co Ltd
Beijing Rowa Beite Electronic Co Ltd
EnEcomponents.com
Honghu City Languang Electronics Co Ltd
Shenzhen Wojin Technology Co Ltd
Fuzetec Technology Co Ltd
Mueller Electric (Shanghai) Ltd
Eyang Technology Development Co Ltd
Nanjing Shiheng Electronics Co Ltd
Beijing Times Creation Electronic Co Ltd
Future Technology Electronics Co Ltd
Shenzhen Runsheng Electronics Co Ltd
Trantek Electronics Co Ltd
Beijing New Chuang Si Fang Electronic Co Ltd
Shanghai Sino-IC Microelectronics Co Ltd
Powertronics Co Ltd
Wanco Electronics (HK) Ltd
Wealth Metal Factory Ltd
Weltronics Imaging Technology Ltd
My Group (Asia) Limited
China Electronics Appliance Shenzhen Co Ltd
Sino-Tech International Holdings Ltd
Sino-Tech International Holdings Ltd
Shenzhen Qiankun Industrial & Trading Development Co Ltd

《国际电子商情》数字版2010年6月刊