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Power Supplies:  Switch Mode  Page 3
Switchmode Power Supply:  #'s-A,     B-E,     F-R,     S,     T-V
Boost,   Buck,   Buck/Boost

Power Supplies -- Main Page           Converters -- Main Page
Last Updated on: Monday, October 26, 2009 03:50 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Fairchild Power Switch based on Switched Mode Power Supply for CRT Monitor Use/ AN-4108 - Fairchild Application Notes / (app note added 6/06)

Fairchild Power Switch Based SMPS for Color Television Receivers/ AN-4102 - Fairchild Application Notes / (app note added 6/06)

Get Buck/Boost Performance from a Boost regulator - 07/11/02 EDN-Design Ideas: The SEPIC (single-ended, primary-inductance-converter)topology is generally a good choice for voltage regulators that must produce an on output voltage that falls in the middle of the input-voltage range, such as a 5V output from a 2.7 to 6V input, The topology has some disadvantages, however. The efficiency of a SEPIC circuit fares worse than that of buck and boost regulators, and SEPIC desig.....(design idea added 1/05)

Get Just Enough Boost Voltage - 05/27/04 EDN-Design Ideas: Adding a current-mirror circuit to a typical boost circuit allows you to select the amount of boost voltage and to ensure a constant difference between the input and the output voltages. See this circuit, which is useful for high-side-drive applications.....(design idea added 1/05)

High Input Voltage Monolithic Switcher Steps Up & Down using a Single Inductor Design Note 330A - DN330  Design Notes (Linear Technology) (app note added 1/06)

High Performance Switch Mode Power Solutions for Altera Low Voltage FPGAs - Design Solutions 43  Design Notes (Linear Technology)  (app note added 1/06)

Inductorless Switching Regulator Boosts Input Voltage - Maxim Application Note #5 (app note added 5/08)

Layout Guidelines for Switching Power Supplies - National Semiconductor Application Note 24 May2001 (app note added 7/02)

LH1605 Switching Regulator - National Semiconductor Application Note 04 Nov1995 (app note added 7/02)

Linear supply uses Switch mode regulation - 07/19/01 EDN-Design Ideas:   You can use simple circuits to implement small, regulated plug-in power supplies. In Figure 1 , a basic and versatile 5V supply uses a zener diode and an emitter-follower transistor. You must calculate and design the transformer such that Q 1 is close to saturation at low mains voltages and nominal.....(design idea added 1/05)

LM2651_3.3V_EVAL 1.5A High Efficiency Synchronous Switching Regulator Evaluation Board - National Semiconductor Application Note 14 Sep1999 (app note added 7/02)

LM78S40 Switching Voltage Regulator Applications - National Semiconductor Application Note 02 Mar1999 (app note added 7/02)

LND1 Series: Efficient Switchmode Power Supply Start-Up - Supertex Semiconductors  (app note added 2/06)

Method provides self timing for synchronous rectifiers - 05/16/02 EDN-Design Ideas: Synchronous rectifiers are MOSFETs, driven in such a way as to perform a rectifying function. They often take the place of diodes in the output-rectification stage of switching power converters, because of their lower on-state power loss. In power circuits,.....(design idea added 1/05)

Optimizing the Ultra-Fast POWERplanar Rectifier Diode for Switching Power Supplies - National Semiconductor Application Note  (app note added 2/06)

RC network quashes auxiliary winding in quasiresonant converter - 04/01/04 EDN-Design Ideas: Quasi-square-wave-resonant converters, also known as QR (quasiresonant)converters, allow the design of flyback-type SMPSs (switch-mode power supplies)with a reduced EMI (electromagnetic-interference)signature and improved efficiency. You can achieve.....(design idea added 1/05)

Reduce Emi by Sweeping a Power Supply's Frequency - 05/27/04 EDN-Design Ideas: Switching power supplies can be notorious noise generators. You should prevent this noise, which is conducted, Radiated, or both, from returning to the input source, where it can potentially wreak havoc on other devices operating from the same input power.....(design idea added 2/05)


 
Switchmode Power Supply:  #'s-A,     B-E,     F-R,     S,     T-V

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