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Regulator Circuits, Page 8
Regulators:  #'s      A      B - C      D - H      I - L      M - Q      R - S      T - Z

Last Updated on: Wednesday, December 20, 2017 02:13 PM


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

The LM105-An Improved Positive Regulator -  National Semiconductor Application Note  (app note added 2/06)
The Subscriber Line Card in a Distributed Control Switching System -  National Semiconductor Application Note  (app note added 2/06)
ThinSOT Micropower Buck Regulator has Low Output Ripple -  DN373  Design Notes (Linear Technology)  (app note added 1/06)
ThinSOT Switching Regulator Controls Inrush Current -  DN365  Design Notes (Linear Technology)  (app note added 1/06)
Tiny & Efficient Boost Converter Generates 5V at 3A from 3.3V Bus -  DN280  Design Notes (Linear Technology) (app note added 1/06)
Tiny Buck Regulator Accepts Inputs from 3.6V to 25V & Eliminates Heat Sink -  DN268  Design Notes (Linear Technology) (app note added 1/06)
Tiny Highly Flexible Dual Boost/Inverter Tracks Supplies -  DN357  Design Notes (Linear Technology)  (app note added 1/06)
Tiny Regulators Drive White LED Backlights -  Linear Technology Design Note 231....[App Note]
Tiny Versatile Buck Regulators Operate from 3.6V to 36V Input -  DN367  Design Notes (Linear Technology)  (app note added 1/06)
Twin T power oscillators work as DC-biased ac sources -  9-Apr-09 Issue of EDN  Using a frequency-selective twin-T network and the LT3080 linear regulator, you can achieve a low-distortion twin-T oscillator with power-driving capability.... [Design Idea by Tiger Zhou and Robert Dobkin, Linear Technology, Milpitas, CA]
Two AA cells power step-down regulator -  01/07/99 Issue of EDN  DC/DC conversion is particularly challenging when both the input and output voltages are low. Step-up ICs that operate with inputs lower than 1V are available, but step-down ICs that accept input voltages....Page includes several designs.  Scroll to find this one.... [Design Idea by Len Sherman, Maxim Integrated Products, Sunnyvale, CA]
UCC3819 250-W PFC Boost Follower PreRegulator Design -  This is an App Note that describes a reference design.  This paper reviews the benefits of a boost follower topology and the design of a 250-W PFC boost follower preregulator. (added 3/05)
Ultra Low Drop Linear Regulator -  MOSFET based linear voltage regulator with a voltage drop of as low as 60 mV at 1 ampere. Drop of a fewer millivolts is possible with better MOSFETs having lower RDS(on) resistance. The circuit in Fig. 1 uses 15V-0-15V secondary from a step-down transformer and employs an n-channel....
UltraFast Linear Regulator Eliminates All Bulk Tantalum & Electrolytic Output Capacitors -  DN157  Design Notes (Linear Technology) (app note added 2/06)
Ultra-Low Dropout Regulator -  DN32  Design Notes (Linear Technology) (app note added 1/06)
Ultra-low-noise low-dropout regulator achieves 6-nV/√Hz noise floor -  23-Jun-05 Issue of EDN  LDO has ultralow-noise output.... [Design Idea by Ken Yang, Maxim Integrated Products Inc, Sunnyvale, CA; Edited by Brad Thompson and Fran Granville]
Use an LM317 as 0 to 3V adjustable regulator -  2-Oct-08 Issue of EDN  LM317 acts as an adjustable regulator.... [Design Idea by Vladimir Rentyuk, Modul-98 Ltd, Zaporozhye, Ukraine]
Use two phases to cut current and improve EMI 11/12/09 EDN-Design Ideas....In dc/dc-converter applications in which the input voltage may be lower or higher than the output voltage, you can use either a flyback converter or a SEPIC (single-ended-primary-inductor converter). SEPICs offer lower input-current ripple and higher efficiency than do flyback designs. Both converters suffer from relatively high output-current ripple, especially at high load currents and low input voltages. As output-current ripple increases, so does the circuit's output-filter-capacitance requirement, which increases size and cost.... [Design Idea by Goran Perica, Linear Technology, Milpitas, CA]
Variable Voltage Source -  The high current regulator below uses an additional winding or a separate transformer to supply power for the LM317 regulator so that the pass transistors can operate closer to saturation and improve efficiency. For good efficiency the voltage at the collectors of the two parallel 2N3055 pass transistors should be close to the output voltage....(added 4/05)
Video Design Idea: Buck regulator controls white LED with optical feedback -  25-Oct-07 Issue of EDN  By using optical feedback, you can stabilize the output level of a high-intensity LED.... [Design Idea by Dhananjay V Gadre, Netaji Subhas Institute of Technology, New Delhi, India]
Vxi Switching Application Note 5968-7234 -  Aligent App Note  (app note added 04/05/06)
Regulators:  #'s      A      B - C      D - H      I - L      M - Q      R - S      T - Z


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