Inventor

MEDNIK ALEXANDER

US33 patents

⚠️ This page may combine multiple inventors who share the name “MEDNIK ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MEDNIK ALEXANDER

MICROCHIP TECH INC

Constant-current controller with square-wave input current shaping

Multi-phase parallelable constant on time buck controller with phase interleaving ensured by ripple injection

Method and apparatus for phase current balancing in multi-phase constant on-time buck converter

Coupled-inductor cascaded buck converter with fast transient response

Zero-voltage switching buck converter and control circuit therefor

Communication method and apparatus using modulation of post-conduction oscillation frequency in switching converters

Circuit and method for active crosstalk reduction in multiple-channel power supply controllers

Output current control in a boundary conduction mode buck converter

Secondary-side flyback converter controller

DC-DC converter with improved line transient rejection

Self-biased non-isolated low-power switching regulator

Cascode-type dimming switch using a bipolar junction transistor for driving a string of light emitting diodes

Low dropout light emitting diode (LED) ballast circuit and method therefor

Buck-boost controller achieving high power factor and valley switching

Circuit and method for detecting short circuit failure of a switching transistor

Auxiliary power supply for a control circuit of a switching regulator

SUPERTEX INC

Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux

Transformer-isolated flyback converters and methods for regulating output current thereof

AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics

Optimal control of wide conversion ratio switching converters

Shunting type PWM dimming circuit for individually controlling brightness of series connected LEDS operated at constant current and method therefor

Dimmer circuit for transformer—isolated LED driver and method therefor

Control circuit and method for regulating average inductor current in a switching converter

Auxiliary power supplies in parallel with a switch of a switching regulator

MEDNIK ALEXANDER

High efficiency boost LED driver with output

Protection from short cathode condition in LED driver and method therefor

LED driver with extended dimming range and method for achieving the same

Circuit and method for flicker suppression in light emitting diodes (LEDs)

Dimming circuit and method

LED driver with low harmonic distortion of input AC current and methods of controlling the same

Led driver with low harmonic distortion of input AC current and methods of controlling the same

POWER ARCHITECTS CORP

Multi-resonant soft switching snubber network for DC-to-DC converter

SUPENTEX INC

Method and apparatus for controlling output current of a cascaded DC/DC converter