《国际电子商情》数字版2010年5月刊 - (Page 26)

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 http://www.irf.com.cn http://www.irf.com.cn http://www.irf.com.cn/contact http://www.irf.com.cn http://www.irf.com.cn/contact http://www.irf.com.cn

Table of Contents for the Digital Edition of 《国际电子商情》数字版2010年5月刊

STC MCU Co Ltd
Digi-Key Corporation
STC MCU Co Ltd
STC MCU Co Ltd
STC MCU Co Ltd
Shanghai Haier Intergrated Circuit Co Ltd
Burnon International Limited
Texas Instruments HK Ltd
Burnon International Limited
Renesas Electronics
Zhejiang Jiakang Electronic Co Ltd
SinoHub Inc
Jiangsu Skysoon Communication Co Ltd
Micrel Semiconductor
BCD Semiconductor Manufacturing Limited
Epcos Limited
OTAX
International Rectifier
Wuhan P&S Information Technology Co Ltd
Analog Devices
Honestar Technologies Co Ltd
ROHM Co Ltd
Shenzhen Changyuntong Design Co Ltd
Switchlab Inc
China Electronics Appliance Shenzhen Co Ltd
National Semiconductor Hong Kong Ltd
Innostor Technology Corporation
ZLG-MCU Development Co Ltd
SyncMOS Technologies Inc
Keystone Electronics Corp
Conquer Electronics Co Ltd
Westpac Electronics Limited
DHL
Shenzhen Hi-Hone Electronics Co Ltd
Mouser Electronics
A-Bright Industrial Co Ltd
Excel Cell Electronic Co Ltd
BYD Company Limited
Powertek Group Co Limited
Fengbao Electronic Technology (Shanghai) Co Ltd
Micon Design Technology Co Ltd
Fuzetec Technology Co Ltd
Samtec Inc
Tenx Technology Inc
Qualtek Electronics Ltd
Xiamen Letdo Electron Co Ltd
Beijing Yisheng Leju Service Company
Shenzhen Cestar Electronic Technology Co Ltd
Mueller Electric (Shanghai) Ltd
Protronic Asia Limited
Shenzhen Lanson Electroins Co Ltd
Fujitsu Microelectronics (Shanghai) Co Ltd
CviLux Corporation
Eyang Technology Development Co Ltd
Nanjing AH Electronic Science & Technology Co Ltd
Up Teks Co Ltd
Walter Electronic Co Ltd
Beijing Rowa Beite Electronic Co Ltd
Shenzhen Runsheng Electronics Co Ltd
Shenzhen Wojin Technology Co Ltd
Wealth Metal Factory Ltd
Nanjing Shiheng Electronics Co Ltd
EnEcomponents.com
Honghu City Languang Electronics Co Ltd
Trantek Electronics Co Ltd
Weltronics Imaging Technology Ltd
Xiamen Ningly Electronics Co Ltd
BJ Spaceflight Rising
Fuhua Electronic (HK) Co Ltd
Yeebo LCD Ltd
Beijing New Chuang Si Fang Electronic Co Ltd
Future Technology Electronics Co Ltd
Powertronics Co Ltd
Shenzhen Shi Teruixiang Electronics Co Ltd
Wanco Electronics (HK) Ltd
My Group (Asia) Limited
Lampek Enterprise Development (HK) Limited
Sino-Tech International Holdings Ltd
Sino-Tech International Holdings Ltd
Hong Kong Baite (Group) Electronic Co Ltd

《国际电子商情》数字版2010年5月刊