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Workflowy gtd. 3) TRANSFORMER DESIGN PROCESS The starting point for the design is to calculate the total output power, which is calculated from all the secondary outputs and the bias output including the voltage drop across the output diodes. It is common to use a schottky diode for the main outputs, if the output current is above 1A, or a fast recovery diode if the. Transformer Calculation Examples. Here are some calculations what I made and from what I build transformers. Transformer: 220V – 2x27V 8A. Input voltage 220 Volts. Output voltage two times by 27 Volts 8 Ampers, simetric for amplifire. EI core intersection square is 50 by 48 milimeters. Design of the joints of magnetic cores has a profound impact on core losses and transformer efficiency. The paper introduces a finite element methodology for the analysis of transformer joints. The proposed technique consists in the application of certain boundary conditions for the excitation of the joints. Design your isolated high-voltage power supply as well as the transformer. In this video we will take you through the design process of designing an isolated AC/DC or DC/DC power supply. We will highlight the key design constraints for designing the transformer and show you how the WEBENCH tool designs the transformer for you. Plex dts hd.
Supported products & hardware
Boost controllers (external switch) LM3017—High Efficiency Low-Side Controller with True ShutdownLM3478—2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC ControllerLM3478Q-Q1—40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown currentLM3481—2.97V to 48V High-Efficiency Controller for Boost, SEPIC and FlybackLM3481-Q1—2.97-V to 48-V high-efficiency controller for boost, SEPIC and flyback, AEC-Q100 qualifiedLM3488—2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching RegulatorsLM3488Q-Q1—40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown currentLM5020—13-100V Wide Vin, Current Mode PWM Boost, Flyback, Sepic ControllerLM5022—6-60V Wide Vin, current mode boost, SEPIC and Flyback controllerTPS40210-Q1—4.5-V to 52-V wide input range current mode boost controller with 700-mV reference voltageTPS40211-Q1—4.5-V to 52-V wide input range current mode boost controller with 260-mV reference voltage
Boost converters (integrated switch) LM2577—3.5-V to 40-V, 3-A low component count step-up regulatorLM2585—4-V to 40-V, 3-A step-up wide VIN flyback regulatorLM2586—4-V to 40-V, 3-A step-up wide VIN flyback regulator with frequency synchronizationLM2587—4V to 40V, 5A Step-Up Wide Vin Flyback RegulatorLM2588—4-V to 40-V, 5-A step-up wide VIN flyback regulator with frequency synchronizationLM2621—1.2V to 14V input voltage, 1A load current, step-up DC-DCLM2623—0.8V to 14V input voltage, 2A load current, step-up DC-DCLM2623-Q1—0.8-V to 14-V input voltage, 2-A load current, step-up DC/DC, AEC-Q100 qualifiedLM2735—520kHz/1.6MHz space efficient boost and SEPIC DC-DC regulatorLM2735-Q1—520-kHz, 1.6-MHz space efficient boost and SEPIC DC/DC regulator, AEC-Q100 qualifiedLM3578A—2-V to 40-VIN switching regulators in buck, boost, terminal, depending upon the applicationLM5000—3.1-40V Wide Vin, 2A Current Mode Non-Synchronous Boost RegulatorLM5001—3.1-75V Wide Vin, 1A Current Mode Non-Synchronous Switch Mode RegulatorLM5001-Q1—3.1-V to 75-V wide VIN, 1-A current mode non-synchronous switch mode regulatorLM5002—3.1-75V Wide Vin, 0.5A Current Mode Boost, Flyback, Sepic ConverterTL1451—Dual Pulse-Width-Modulation Control CircuitTL1451A—3.6V to 50V dual channel controller with Wide input voltage rangeTL1451A-EP—Enhanced Product Dual Pulse-Width-Modulation Control CircuitsTL1451A-Q1—3.6-V to 50-V dual-channel PWM controller, AEC-Q100 qualifiedTL5001—PWM Controller with wide input range, with ±5% tolerance on reference, operation –20°C to 85°CTL5001A—PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°CTL5001A-Q1—PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°CTL5001M—PWM Controller with wide input range, with ±5% tolerance on reference, operation –55°C to 125°CTPS43000—Multi-Topology (buck, boost, sepic) High Frequency DC/DC ControllerTPS55340—5-A, 40-V, wide VIN boost, flyback, & SEPIC converterTPS55340-EP—Enhanced integrated, 5-A, 40-V wide input range boost/SEPIC/flyback DC/DC regulatorTPS55340-Q1—Integrated, 5-A 40-V wide input range boost/SEPIC/flyback DC/DC regulator, AEC-Q100 qualifiedTPS61175—3-A ,40V High Voltage Boost Converter with Soft-start and Programmable Switching FrequencyTPS61175-Q1—3-A, 40-V high voltage boost converter with soft-start and programmable switching frequencyUC2572—Negative output Flyback pulse width modulator
Buck converters (integrated switch) LM5015—4.25-75V, Monolithic Two-Switch Forward DC-DC Regulator
Boost controllers (external switch) LM3017—High Efficiency Low-Side Controller with True ShutdownLM3478—2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC ControllerLM3478Q-Q1—40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown currentLM3481—2.97V to 48V High-Efficiency Controller for Boost, SEPIC and FlybackLM3481-Q1—2.97-V to 48-V high-efficiency controller for boost, SEPIC and flyback, AEC-Q100 qualifiedLM3488—2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching RegulatorsLM3488Q-Q1—40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown currentLM5020—13-100V Wide Vin, Current Mode PWM Boost, Flyback, Sepic ControllerLM5022—6-60V Wide Vin, current mode boost, SEPIC and Flyback controllerTPS40210-Q1—4.5-V to 52-V wide input range current mode boost controller with 700-mV reference voltageTPS40211-Q1—4.5-V to 52-V wide input range current mode boost controller with 260-mV reference voltage
Boost converters (integrated switch) LM2577—3.5-V to 40-V, 3-A low component count step-up regulatorLM2585—4-V to 40-V, 3-A step-up wide VIN flyback regulatorLM2586—4-V to 40-V, 3-A step-up wide VIN flyback regulator with frequency synchronizationLM2587—4V to 40V, 5A Step-Up Wide Vin Flyback RegulatorLM2588—4-V to 40-V, 5-A step-up wide VIN flyback regulator with frequency synchronizationLM2621—1.2V to 14V input voltage, 1A load current, step-up DC-DCLM2623—0.8V to 14V input voltage, 2A load current, step-up DC-DCLM2623-Q1—0.8-V to 14-V input voltage, 2-A load current, step-up DC/DC, AEC-Q100 qualifiedLM2735—520kHz/1.6MHz space efficient boost and SEPIC DC-DC regulatorLM2735-Q1—520-kHz, 1.6-MHz space efficient boost and SEPIC DC/DC regulator, AEC-Q100 qualifiedLM3578A—2-V to 40-VIN switching regulators in buck, boost, terminal, depending upon the applicationLM5000—3.1-40V Wide Vin, 2A Current Mode Non-Synchronous Boost RegulatorLM5001—3.1-75V Wide Vin, 1A Current Mode Non-Synchronous Switch Mode RegulatorLM5001-Q1—3.1-V to 75-V wide VIN, 1-A current mode non-synchronous switch mode regulatorLM5002—3.1-75V Wide Vin, 0.5A Current Mode Boost, Flyback, Sepic ConverterTL1451—Dual Pulse-Width-Modulation Control CircuitTL1451A—3.6V to 50V dual channel controller with Wide input voltage rangeTL1451A-EP—Enhanced Product Dual Pulse-Width-Modulation Control CircuitsTL1451A-Q1—3.6-V to 50-V dual-channel PWM controller, AEC-Q100 qualifiedTL5001—PWM Controller with wide input range, with ±5% tolerance on reference, operation –20°C to 85°CTL5001A—PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°CTL5001A-Q1—PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°CTL5001M—PWM Controller with wide input range, with ±5% tolerance on reference, operation –55°C to 125°CTPS43000—Multi-Topology (buck, boost, sepic) High Frequency DC/DC ControllerTPS55340—5-A, 40-V, wide VIN boost, flyback, & SEPIC converterTPS55340-EP—Enhanced integrated, 5-A, 40-V wide input range boost/SEPIC/flyback DC/DC regulatorTPS55340-Q1—Integrated, 5-A 40-V wide input range boost/SEPIC/flyback DC/DC regulator, AEC-Q100 qualifiedTPS61175—3-A ,40V High Voltage Boost Converter with Soft-start and Programmable Switching FrequencyTPS61175-Q1—3-A, 40-V high voltage boost converter with soft-start and programmable switching frequencyUC2572—Negative output Flyback pulse width modulator
Buck converters (integrated switch) LM5015—4.25-75V, Monolithic Two-Switch Forward DC-DC Regulator
Flybuck converters LM25017—7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck RegulatorLM25018—7.5-48V Wide Vin, 300mA Constant On-Time Synchronous Buck RegulatorLM25019—7.5-48V Wide Vin, 100mA Constant On-Time Synchronous Buck RegulatorLM34925—7.5-100V Wide Vin, 100mA Integrated Secondary Bias Regulator for Isolated DC/DC ConvertersLM34926—7.5-100V Wide Vin, 300mA Integrated Secondary Bias Regulator for Isolated DC/DC ConvertersLM34927—7.5-100V Wide Vin, 600mA Integrated Secondary Bias Regulator for Isolated DC/DC ConvertersLM5017—7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck RegulatorLM5018—7.5-100V Wide Vin, 300mA Constant On-Time Synchronous Buck RegulatorLM5019—7.5-100V Wide Vin, 100mA Constant On-Time Synchronous Buck RegulatorLM5160—LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converterLM5160-Q1—Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ ConverterLM5160A—LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ ConverterLM5161—Wide Input 4.5-V to 100-V, 1-A Synchronous Buck / Fly-Buck ConverterTPS55010—2.95V To 6V Input, 2W, Isolated DC/DC Converter with Integrated FETS
Transformer Design Calculator
PWM controllers & resonant controllers LM2524D—40V, 0.2A 550KHz PWM controllerLM3524D—40V, 0.2A 350KHz PWM controller
