EE Times - August 6, 2007 - (Page 39)

AD453_LM2735 6/22/07 3:12 PM Page 1 Tiny Boost Regulator Provides Ease-of-Use and High Output Current LM2735 Delivers 2.1A Switch, Internal Compensation in Tiny Packages Typical Application Circuit VIN 2.7V to 5.5V 15 µH VOUT 12V 330 pF 4 3 Efficiency vs Load Current VOUT = 12V 100 5 VIN 90 80 70 60 50 40 30 0.01 100 kΩ EN 5 Efficiency (%) 3 VIN LM2735 FB 2 10 µF GND 1 VIN 22 µF SW 0.1 Output Load (A) Features High Output Current • 2.1A Switch current over full temperature range • Boost from 5V to 12V at 700 mA Easy-to-Use, Small Solution Size • Internal compensation allows for ease-of-use and minimal external components • 1.6 MHz operating frequency uses tiny passive components • SOT23-5, LLP-6, and eMSOP8 packages ideal for space constrained applications SOT-23 Boost Regulators Product ID VIN Range LM2731 LM2733 NEW Switch Current 1.4A 1A 2.1A VOUT Max 22V 40V 24V Frequency 600 KHz 1.60 MHz 600 KHz 1.60 MHz 520 KHz 1.60 MHz Ideal For XDSL modem, portable devices, white LED current sources TV tuners, set top boxes, white LED current sources LCD and OLED displays for portable applications, USB powered devices, white LED current source Package SOT23-5 SOT23-5 SOT23-5 LLP-6, eMSOP-8 2.7V to 14V 2.7V to 14V 2.7V to 5.5V LM2735 For FREE samples, datasheets, online design tools, and more, visit us today at: power.national.com Or call 1-800-272-9959 © National Semiconductor Corporation, 2007. National Semiconductor and are registered trademarks of National Semiconductor Corporation. All rights reserved. http://power.national.com http://power.national.com Table of Contents for the Digital Edition of EE Times - August 6, 2007CoverContentsNHK Demos Key Component Systems of 8K by 4K TVReaction to FCC's 700-MHz Auction: Guarded OptimismEmerging Application Buoys Hard-Disk DrivesFor Industry, Inventory Ills ContinueConnect the Dots: American But Only in NameAnalyzing Dynamic Voltage Drop at 90 nm and BeyondUnder the Hood: Counterfeit Parts, Legitimate WoesMaking MEMS Accelerometers Work in Motion ControlDesigners Flow With Debug FluxEE Times - August 6, 2007EE Times - August 6, 2007 - (Page Cover1)EE Times - August 6, 2007 - (Page Cover2)EE Times - August 6, 2007 - Cover (Page 1)EE Times - August 6, 2007 - Cover (Page 2)EE Times - August 6, 2007 - Cover (Page 3)EE Times - August 6, 2007 - NHK Demos Key Component Systems of 8K by 4K TV (Page 4)EE Times - August 6, 2007 - NHK Demos Key Component Systems of 8K by 4K TV (Page 5)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 6)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 7)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 8)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 9)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 10)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 11)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 12)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 13)EE Times - August 6, 2007 - Reaction to FCC's 700-MHz Auction: Guarded Optimism (Page 14)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 15)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 16)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 17)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 18)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 19)EE Times - August 6, 2007 - Emerging Application Buoys Hard-Disk Drives (Page 20)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 21)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 22)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 23)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 24)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 25)EE Times - August 6, 2007 - Connect the Dots: American But Only in Name (Page 26)EE Times - August 6, 2007 - Analyzing Dynamic Voltage Drop at 90 nm and Beyond (Page 27)EE Times - August 6, 2007 - Analyzing Dynamic Voltage Drop at 90 nm and Beyond (Page 28)EE Times - August 6, 2007 - Analyzing Dynamic Voltage Drop at 90 nm and Beyond (Page 29)EE Times - August 6, 2007 - Under the Hood: Counterfeit Parts, Legitimate Woes (Page 30)EE Times - August 6, 2007 - Under the Hood: Counterfeit Parts, Legitimate Woes (Page 31)EE Times - August 6, 2007 - Under the Hood: Counterfeit Parts, Legitimate Woes (Page 32)EE Times - August 6, 2007 - Under the Hood: Counterfeit Parts, Legitimate Woes (Page 33)EE Times - August 6, 2007 - Under the Hood: Counterfeit Parts, Legitimate Woes (Page 34)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 35)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 36)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 37)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 38)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 39)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 40)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 41)EE Times - August 6, 2007 - Making MEMS Accelerometers Work in Motion Control (Page 42)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 43)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 44)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 45)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 46)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 47)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 48)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 49)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 50)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 51)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page 52)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page Cover3)EE Times - August 6, 2007 - Designers Flow With Debug Flux (Page Cover4)http://www.nxtbookMEDIA.com

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