Search History

Bookmark

Please log in to show your saved searches.

Save to myST

Isolated Auxiliary Power Supply 20-75W

Overview

Solutions

HW Evaluation Tools

Documentation

Tools and Software

Key Products

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. Read more

isolated auxiliary smps 24v block diagram

Flyback Synch. Rect Controller

STripFET F7 series

Our products and solutions

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).

Latest from ST

All resources

Expand all categories

	Resource title		Latest update

Application Notes (5 of 16)

Presentations (1)

	Resource title		Latest update
PDF	Primary side regulation controllers portfolio		21 Jun 2018	21 Jun 2018 Primary side regulation controllers portfolio

Flyers (3)

	Resource title	Latest update
PDF	1200-1700V MDmesh K5 SERIES: Ideal for high input voltage auxiliary power supply systems 1.0	24 Nov 2020	24 Nov 2020 1200-1700V MDmesh K5 SERIES: Ideal for high input voltage auxiliary power supply systems 1.0
PDF	800-1700 V MDmesh K5 STPOWER MOSFET very high voltage super-junction series 1.0	06 Oct 2020	06 Oct 2020 800-1700 V MDmesh K5 STPOWER MOSFET very high voltage super-junction series 1.0
PDF	SOD128Flat power Schottky diodes for improved cost and space-savings 1.0	10 Sep 2018	10 Sep 2018 SOD128Flat power Schottky diodes for improved cost and space-savings 1.0

All tools & software

Finders Apps

Part number	Status	Description	Type	Supplier
ST Diode Finder	Active	Diode product finder application for Android and iOS	Finders Apps	ST	ST Diode Finder Description: Diode product finder application for Android and iOS
ST Voltage Regulator Finder	Active	Linear and switching voltage regulators and voltage reference applications for smartphones and tablets	Finders Apps	ST	ST Voltage Regulator Finder Description: Linear and switching voltage regulators and voltage reference applications for smartphones and tablets

	Resource title	Latest update
PDF	AN3089 19 V - 65 W quasi-resonant flyback adapter using L6566B and TSM1014 2.0	13 Sep 2018	13 Sep 2018 AN3089 19 V - 65 W quasi-resonant flyback adapter using L6566B and TSM1014 2.0
PDF	AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2	19 Dec 2019	19 Dec 2019 AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2
PDF	AN5442 45W USB Type-C™ PD adapter board with controllers STCH03 QR flyback,SRK1001 adaptive synchronous rectifier and STUSB4761 USB Type-C™ PD 1.1	19 Mar 2021	19 Mar 2021 AN5442 45W USB Type-C™ PD adapter board with controllers STCH03 QR flyback,SRK1001 adaptive synchronous rectifier and STUSB4761 USB Type-C™ PD 1.1
PDF	AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES 1.1	24 Mar 2020	24 Mar 2020 AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES 1.1
PDF	AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION 1.1	13 Sep 2018	13 Sep 2018 AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION 1.1
PDF	AN604 Calculation of conduction losses in a power rectifier 3.2	24 Mar 2021	24 Mar 2021 AN604 Calculation of conduction losses in a power rectifier 3.2
PDF	AN4021 Calculation of reverse losses in a power diode 1.0	24 Mar 2021	24 Mar 2021 AN4021 Calculation of reverse losses in a power diode 1.0
PDF	AN4381 Current sharing in parallel diodes 1.0	24 Mar 2021	24 Mar 2021 AN4381 Current sharing in parallel diodes 1.0
PDF	AN4604 Evaluation board for the SEA01 constant voltage and current controller with online digital trimming 1.0	13 Sep 2018	13 Sep 2018 AN4604 Evaluation board for the SEA01 constant voltage and current controller with online digital trimming 1.0
PDF	AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1	24 Mar 2021	24 Mar 2021 AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0	24 Mar 2021	24 Mar 2021 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0	24 Mar 2021	24 Mar 2021 AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
PDF	AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6	24 Mar 2021	24 Mar 2021 AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
PDF	AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1	24 Mar 2021	24 Mar 2021 AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
PDF	AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1	13 Sep 2018	13 Sep 2018 AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1
PDF	AN869 Tj max limit of Schottky diodes 2.2	24 Mar 2021	24 Mar 2021 AN869 Tj max limit of Schottky diodes 2.2