Download Power Tips index

The Power Tips! Series
#1, July 2008: "Picking the right operating frequency for your power supply",
http://www.powermanagementdesignline.com/howto/powersupplies/208802819
#2, August 2008: "Taming a noisy power supply",
http://www.powermanagementdesignline.com/howto/powersupplies/209902227
#3, September 2008: "Damping the input filter--Part 1",
http://www.powermanagementdesignline.com/howto/powersupplies/210500098
#4, October 2008: "Damping the input filter--Part 2",
http://www.powermanagementdesignline.com/howto/powersupplies/210604698
#5, November 2008: "Buck-boost design uses a buck controller",
http://www.powermanagementdesignline.com/howto/powersupplies/212000569
#6, December 2008: "Accurately Measuring Power Supply Ripple",
http://www.powermanagementdesignline.com/howto/powersupplies/212201535
#7, January 2009: "Efficiently driving LEDs offline",
http://www.powermanagementdesignline.com/howto/powersupplies/212701082
#8, January 2009: "Reduce EMI by varying power supply frequency",
http://www.powermanagementdesignline.com/howto/213001205
#9, March 2009: "Estimating Surface Mounted Semiconductor Temperature Rise",
http://www.powermanagementdesignline.com/howto/215900531
#10, April 2009: "Simply Estimate Load Transient Response",
http://www.powermanagementdesignline.com/howto/216500143
#11, May 2009: "Resolve Power Supply Circuit Losses",
http://www.powermanagementdesignline.com/howto/217300383
#12, July 2009: "Maximize Power Supply Efficiency",
http://www.powermanagementdesignline.com/howto/218400578
#13, July 2009: "Don't get burned by inductor core losses",
http://www.powermanagementdesignline.com/howto/218500155
#14, July 2009: "SEPIC converter makes an efficient bias supply",
http://www.powermanagementdesignline.com/howto/218900164
#15, September 2009: "Design a low-cost, high-performance LED driver",
http://www.eetimes.com/design/power-management-design/4012512/Design-a-low-cost-highperformance-LED-driver
#16, September 2009: "Snubbing the forward converter",
http://www.powermanagementdesignline.com/howto/220601014
#17, November 2009: "Snubbing the flyback Converter",
http://www.powermanagementdesignline.com/howto/221600356
#18, December 2009: "Your regulator’s output-voltage accuracy may not be as bad as you think",
http://www.powermanagementdesignline.com/howto/222000672
#19, January 2010: "Easily create multiple negative output voltages",
http://www.powermanagementdesignline.com/howto/222300160
#20, February 2010: "Watch those unintended resonant responses",
http://www.powermanagementdesignline.com/howto/222601016
#21, March 2010: "Watch That Capacitor RMS Ripple Current Rating!",
http://www.powermanagementdesignline.com/howto/223100643
#22, April 2010: "Avoid These Common Error Amp Pitfalls",
http://www.powermanagementdesignline.com/howto/224201223
#23, May 2010: "Improve a power-supply's load-transient response--Part 1",
http://www.powermanagementdesignline.com/howto/224701069
#24, June 2010: "Convert parallel impedances to series impedances",
http://www.powermanagementdesignline.com/howto/225700619
#25, July 2010: "Improve a power supply's load transient response--Part 2",
http://new.eetimes.com/design/power-management-design/4201187/Power-Tip-25--Improvea-power-supply-s-load-transient-response-Part-2#26, August 2010: "Current distribution in high-frequency conductors",
http://www.eetimes.com/design/power-management-design/4205892/Power-Tip-26--Currentdistribution-in-high-frequency-conductors
#27, September 2010: "Paralleling power supplies using the droop method",
http://www.eetimes.com/design/power-management-design/4207264/Paralleling-powersupplies-using-the-droop-method
#28, October 2010: "Power Tip 28: Estimating transient temperature rise in a hot-swap
MOSFET–Part 1",
http://new.eetimes.com/design/power-management-design/4209803/Power-Tip-28-Estimating-transient-temperature-rise-in-a-hot-swap-MOSFET-Part-1?Ecosystem=powermanagement-design
#29, November 2010: "Power Tip 29: Estimating transient temperature rise in a hot-swap
MOSFET–Part 2 ",
http://new.eetimes.com/design/power-management-design/4210499/Power-Tip-29-Estimating-transient-temperature-rise-in-a-hot-swap-MOSFET-Part-2-?Ecosystem=powermanagement-design
#30, December 2010: "Power Tip 30: Low-voltage buck IC makes simple, inexpensive bias
supply,"
http://www.eetimes.com/design/power-management-design/4211248/Power-Tip-30--Lowvoltage-buck-IC-makes-simple--inexpensive-bias-supply#31, January 2011: "Pick the right resistance ratio of synchronous buck MOSFETs"
http://www.eetimes.com/design/power-management-design/4212607/Power-Tip-31--Pickthe-right-resistance-ratio-of-synchronous-buck-MOSFETs#32, February 2011: "Beware of circulating currents in a SEPIC coupled-inductor–Part 1"
http://www.eetimes.com/design/power-management-design/4213272/Power-Tip-32--Bewareof-circulating-currents-in-a-SEPIC-coupled-inductor-Part-1
#33, March 2011: "Beware of circulating currents in a SEPIC coupled-inductor–Part 2"
http://www.eetimes.com/design/power-management-design/4213914/Power-Tip-33--Bewareof-circulating-currents-in-a-SEPIC-coupled-inductor---Part-2
#34, April 2011: "Design a simple, isolated bias supply"
http://www.eetimes.com/design/power-management-design/4214687/Power-Tip-34--Designa-simple--isolated-bias-supply-?Ecosystem=power-management-design
#35, May 2011: "Minimize transformer interwinding capacitance effects"
http://www.eetimes.com/design/power-management-design/4215828/Power-Tip-35-Minimize-transformer-interwinding-capacitance-effects-?Ecosystem=power-managementdesign
#36, June 2011: "Higher-voltage LEDs improve light bulb efficiency"
http://www.eetimes.com/design/power-management-design/4217040/Power-Tip-36--Highervoltage-LEDs-improve-light-bulb-efficiency
#37, July 2011: "Trade line range for input-capacitor ripple current"
http://www.eetimes.com/design/power-management-design/4217792/Power-Tip-37--TradeAC-line-range-for-input-capacitor-ripple-current-
#38, August 2011: "Simple latch circuit protects power supplies"
http://www.eetimes.com/design/power-management-design/4218752/Power-Tip-38--Simplelatch-circuit-protects-power-supplies#39, September 2011: "You get more than just better efficiency by going synchronous"
http://eetimes.com/design/power-management-design/4227394/Power-Tip-39--You-get-morethan-just-better-efficiency-by-going-synchronous#40, October 2011: "Common-mode currents and EMI in non-isolated power supplies"
http://www.eetimes.com/design/power-management-design/4229769/Power-Tip-40-Common-mode-currents-and-EMI-in-non-isolated-power-supplies#41, November 2011: "Powering DDR memory"
http://eetimes.com/design/power-management-design/4230562/Power-Tip-41--PoweringDDR-memory#42 (Part 1): "Discrete devices—a good alternative to integrated MOSFET drivers"
http://eetimes.com/design/power-management-design/4231249/Power-Tip-42--Part-1-Discrete-devices-a-good-alternative-to-integrated-MOSFET-drivers#43: "Discrete devices—a good alternative to integrated MOSFET drivers (Part 2)"
http://www.eetimes.com/design/power-management-design/4234630/Power-Tip-43--Discretedevices-a-good-alternative-to-integrated-MOSFET-drivers--Part-2#44: "Handling high dI/dt load transients, Part 1"
http://www.eetimes.com/design/power-management-design/4236503/Power-Tip-44-Handling-high-dI-dt-load-transients--Part-1#45: "Handling high dI/dt load transients, Part 2"
http://www.eetimes.com/design/power-management-design/4238184/Power-Tip-45-Handling-high-dI-dt-load-transients--Part-2?Ecosystem=power-management-design
#46: "Time your synchronous-buck FETs properly"
http://eetimes.com/design/power-management-design/4370957/Power-Tip-46--Time-yoursynchronous-buck-FETs-properly
#47: "Tame conducted common-mode emissions in isolated switchers (Part 1)"
http://eetimes.com/design/power-management-design/4372834/Power-Tip-47--Tameconducted-common-mode-emissions-in-isolated-switchers--Part-1-?isCmsPreview=true
#48: “Tame conducted common-mode emissions in isolated switchers (Part 2)”
http://www.eetimes.com/design/power-management-design/4375576/Power-Tip-48--Tameconducted-common-mode-emissions-in-isolated-switchers---Part-2#49: Avoid these common multi-layer ceramic capacitor pitfalls
http://eetimes.com/design/power-management-design/4375455/Power-Tip-49--Avoid-thesecommon-multi-layer-ceramic-capacitor-pitfalls?isCmsPreview=true
#50: Avoid these common aluminum electrolytic capacitor pitfalls
http://www.eetimes.com/design/power-management-design/4390888/Power-Tip-50-Avoid-these-common-aluminum-electrolytic-capacitor-pitfalls?Ecosystem=powermanagement-design
Power Tip 51: Be aware of capacitor parasitics
http://www.eetimes.com/design/power-management-design/4394686/Power-Tip-51--Beaware-of-capacitor-parasitics-
Power Tip 52: Making over the wall wart
http://eetimes.com/design/power-management-design/4397374/Power-Tip-52--Making-overthe-wall-wart
Power Tip 53: Use P-SPICE to design your power supply control loop
http://www.eetimes.com/design/power-management-design/4402030/Power-Tip-53--Use-PSPICE-to-design-your-power-supply-control-loop
Power Tip 54: Use a two-section filter for a low-noise power supply
http://www.eetimes.com/design/power-management-design/4403525/-Power-Tip-54--Use-atwo-section-filter-for-a-low-noise-power-supply?Ecosystem=power-management-design
Power Tip 55: Compensate a low-noise power supply having a two-section filter
http://www.eetimes.com/design/power-management-design/4405155/Power-Tip-55-Compensate-a-low-noise-power-supply-having-a-two-section-filter
Power Tip 56: Estimate PWB interconnect inductance
http://www.eetimes.com/design/power-management-design/4407375/Power-Tip-56-Estimate-PWB-interconnect-inductance
Power Tip 57: Design a flyback primary switch snubber
http://www.eetimes.com/design/power-management-design/4409952/Power-Tip-57--Designa-flyback-primary-switch-snubber
Power Tip 58: Power supply grounding--which camp are you in?
http://www.eetimes.com/design/power-management-design/4411323/Power-Tip-58--Powersupply-grounding---which-camp-are-you-inPower Tip 59: Save check-out time with a good power supply layout
http://www.eetimes.com/design/power-management-design/4413243/Power-Tip-59--Savecheck-out-time-with-a-good-power-supply-layout
Power Tip 60: Three simple split-rail power supply topologies
http://www.eetimes.com/author.asp?section_id=183&doc_id=1280919
Power Tip 61: Watch the Conversion Ratio on Boost Converters
http://www.eetimes.com/author.asp?section_id=183&doc_id=1318800
Power Tip 62: Boost or Flyback for Extreme Conversion Ratios?
http://www.eetimes.com/author.asp?section_id=183&doc_id=1319222
Power Tip 63: Testing High-di/dt Power Supplies
http://www.eetimes.com/author.asp?section_id=183&doc_id=1319528
Power Tip 64: Compensate for Cable Drop Without Remote Sensing
http://www.eetimes.com/author.asp?section_id=183&doc_id=1319750
Power Tip 65: Power Supply Implications of Envelope Tracking
http://www.eetimes.com/author.asp?section_id=183&doc_id=1320166
Power Tip 66: Reduce EMI From an Offline Power Supply Cost-Effectively
http://www.eetimes.com/author.asp?section_id=36&doc_id=1320499
Power Tip 67: Improve Discontinuous Flyback Efficiency With Synchronous Rectifiers
http://www.eetimes.com/author.asp?section_id=183&doc_id=1320799
Power Tip 68: Pick the Right Turns Ratio for a Fly-Buck Converter
http://www.eetimes.com/author.asp?section_id=183&doc_id=1321055
Power Tip 69: A Simple Oversight Can Ruin EMI Performance
http://www.eetimes.com/author.asp?section_id=183&doc_id=1321410
Power Tip 70: Use Weighted Feedback in Multiple-Output Supplies to Meet Regulation Specs
http://www.eetimes.com/author.asp?section_id=183&doc_id=1321744
Power Tip 71: Synchronous Boost Labors the High-to-Low Transition
http://www.eetimes.com/author.asp?section_id=183&doc_id=1322418
Power Tip 72: Select the Right Rectifiers for Multiple Output Flybacks
http://www.eetimes.com/author.asp?section_id=183&doc_id=1322974
Power Tip 73: Synchronizing Makes for Well-Behaved Power Supplies
http://www.eetimes.com/author.asp?section_id=183&doc_id=1323282
Power Tip 74: Interleaving Gets More Power From a Flyback
http://www.eetimes.com/author.asp?section_id=183&doc_id=1323562&