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In the 20 to 75W power range, the need to meet increasingly tight efficiency and stand-by requirements for auxiliary power supplies has pushed the use of quasi-resonant topologies replacing more mainstream fly-back based designs.

We offer a range of power MOSFETs, diodes as well as primary PWM controllers together with an extensive range of hardware and software evaluation and development tools including reference designs to help design high-efficiency auxiliary switch mode power supplies (SMPS). 

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Technical Documentation

    • Description Version Size Action
      AN3089
      19 V - 65 W quasi-resonant flyback adapter using L6566B and TSM1014
      2.0
      644.02 KB
      PDF
      AN1768
      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES
      1.1
      46.82 KB
      PDF
      AN2025
      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION
      1.1
      147.59 KB
      PDF
      AN604
      Calculation of conduction losses in a power rectifier
      3.2
      137.74 KB
      PDF
      AN4021
      Calculation of reverse losses in a power diode
      1.0
      120.47 KB
      PDF
      AN4381
      Current sharing in parallel diodes
      1.0
      449.12 KB
      PDF
      AN4604
      Evaluation board for the SEA01 constant voltage and current controller with online digital trimming
      1.0
      430.54 KB
      PDF
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      PDF
      AN5046
      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages
      4.0
      4.82 MB
      PDF
      AN5088
      Rectifiers thermal management, handling and mounting recommendations
      2.0
      2.32 MB
      PDF
      AN533
      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting
      3.6
      217.19 KB
      PDF
      AN443
      SERIES OPERATION ON FAST RECTIFIERS
      2.1
      202.48 KB
      PDF
      AN1542
      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION
      1.1
      57.47 KB
      PDF
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN3089

      19 V - 65 W quasi-resonant flyback adapter using L6566B and TSM1014

      AN1768

      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES

      AN2025

      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION

      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN4381

      Current sharing in parallel diodes

      AN4604

      Evaluation board for the SEA01 constant voltage and current controller with online digital trimming

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      AN5046

      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

      AN5088

      Rectifiers thermal management, handling and mounting recommendations

      AN533

      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting

      AN443

      SERIES OPERATION ON FAST RECTIFIERS

      AN1542

      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

      AN869

      Tj max limit of Schottky diodes

Presentations & Training Material

    • Description Version Size Action
      Primary side regulation controllers portfolio
      1.1 MB
      PDF

      Primary side regulation controllers portfolio

Publications and Collaterals

    • Description Version Size Action
      600-650 V MDmesh™ M2: The ST’s new Super-junction HV MOSFET series 1.0
      755.53 KB
      PDF
      800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series 1.0
      516.44 KB
      PDF
      800-1700 V MDmesh K5: Very high voltage super-junction Power MOSFET series 1.0
      477.67 KB
      PDF
      SOD128Flat power Schottky diodes for improved cost and space-savings 1.0
      2.18 MB
      PDF

      600-650 V MDmesh™ M2: The ST’s new Super-junction HV MOSFET series

      800-1050V MDmesh™ K5 ST’s first super-junction VHV MOSFET Series

      800-1700 V MDmesh K5: Very high voltage super-junction Power MOSFET series

      SOD128Flat power Schottky diodes for improved cost and space-savings

    • Description Version Size Action
      Brochure Power management guide 10.2018
      4.42 MB
      PDF

      Brochure Power management guide

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

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A This option is required and must be a number.

Power Management

Part number Description
HVLED001A Offline controller for LED lighting with constant voltage primary-sensing and high power factor
L6565 Quasi-resonant Controller
L6566BH Multi-mode controller for SMPS
STCH02 Offline PWM quasi resonant controller for ultra-low standby power supplies
Part number
Offline controller for LED lighting with constant voltage primary-sensing and high power factor
Quasi-resonant Controller
Multi-mode controller for SMPS
Offline PWM quasi resonant controller for ultra-low standby power supplies