Calculation tool
FLYBUCK-FLYBACK-DESIGN-CALC — Flybuck / Flyback Calculator
This tool helps a power supply engineer to select the right isolated DC-DC topology based on the specifications. Depending on the topology chosen, the calculator also recommends the right IC for the design.
Supported products & hardware
Products
AC/DC & DC/DC controllers (external FET)
- LM3017 — High Efficiency Low-Side Controller with True Shutdown
- LM3478 — 2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller
- LM3478Q-Q1 — 40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown current
- LM3481 — 2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback
- LM3481-Q1 — 2.97-V to 48-V high-efficiency controller for boost, SEPIC and flyback, AEC-Q100 qualified
- LM3488 — 2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators
- LM3488Q-Q1 — 40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown current
- LM3524D — 40V, 0.2A 350KHz PWM controller
- LM3578A — 2-V to 40-VIN switching regulators in buck, boost, terminal, depending upon the application
- LM5020 — 13-100V Wide Vin, Current Mode PWM Boost, Flyback, Sepic Controller
- LM5022 — 6-60V Wide Vin, current mode boost, SEPIC and Flyback controller
- TL1451 — Dual Pulse-Width-Modulation Control Circuit
- TL1451A — 3.6V to 50V dual channel controller with Wide input voltage range
- TL1451A-EP — Enhanced Product Dual Pulse-Width-Modulation Control Circuits
- TL1451A-Q1 — 3.6-V to 50-V dual-channel PWM controller, AEC-Q100 qualified
- TL5001 — PWM Controller with wide input range, with ±5% tolerance on reference, operation –20°C to 85°C
- TL5001A — PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°C
- TL5001A-Q1 — PWM Controller with wide input range, with ±3% tolerance on reference, operation –20°C to 85°C
- TL5001M — PWM Controller with wide input range, with ±5% tolerance on reference, operation –55°C to 125°C
- TPS40210-Q1 — 4.5-V to 52-V wide input range current mode boost controller with 700-mV reference voltage
- TPS40211-Q1 — 4.5-V to 52-V wide input range current mode boost controller with 260-mV reference voltage
- TPS43000 — Multi-Topology (buck, boost, sepic) High Frequency DC/DC Controller
- TPS55010 — 2.95V To 6V Input, 2W, Isolated DC/DC Converter with Integrated FETS
- UC2572 — Negative output Flyback pulse width modulator
AC/DC & DC/DC converters (integrated FET)
- LM25017 — 7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator
- LM25018 — 7.5-48V Wide Vin, 300mA Constant On-Time Synchronous Buck Regulator
- LM25019 — 7.5-48V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator
- LM2577 — 3.5-V to 40-V, 3-A low component count step-up regulator
- LM2585 — 4-V to 40-V, 3-A step-up wide VIN flyback regulator
- LM2586 — 4-V to 40-V, 3-A step-up wide VIN flyback regulator with frequency synchronization
- LM2587 — 4V to 40V, 5A Step-Up Wide Vin Flyback Regulator
- LM2588 — 4-V to 40-V, 5-A step-up wide VIN flyback regulator with frequency synchronization
- LM2621 — 1.2V to 14V input voltage, 1A load current, step-up DC-DC
- LM2623 — 0.8V to 14V input voltage, 2A load current, step-up DC-DC
- LM2623-Q1 — 0.8-V to 14-V input voltage, 2-A load current, step-up DC/DC, AEC-Q100 qualified
- LM2735 — 520kHz/1.6MHz space efficient boost and SEPIC DC-DC regulator
- LM2735-Q1 — 520-kHz, 1.6-MHz space efficient boost and SEPIC DC/DC regulator, AEC-Q100 qualified
- LM34925 — 7.5-100V Wide Vin, 100mA Integrated Secondary Bias Regulator for Isolated DC/DC Converters
- LM34926 — 7.5-100V Wide Vin, 300mA Integrated Secondary Bias Regulator for Isolated DC/DC Converters
- LM34927 — 7.5-100V Wide Vin, 600mA Integrated Secondary Bias Regulator for Isolated DC/DC Converters
- LM5000 — 3.1-40V Wide Vin, 2A Current Mode Non-Synchronous Boost Regulator
- LM5001 — 3.1-75V Wide Vin, 1A Current Mode Non-Synchronous Switch Mode Regulator
- LM5001-Q1 — 3.1-V to 75-V wide VIN, 1-A current mode non-synchronous switch mode regulator
- LM5002 — 3.1-75V Wide Vin, 0.5A Current Mode Boost, Flyback, Sepic Converter
- LM5015 — 4.25-75V, Monolithic Two-Switch Forward DC-DC Regulator
- LM5017 — 7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator
- LM5018 — 7.5-100V Wide Vin, 300mA Constant On-Time Synchronous Buck Regulator
- LM5019 — 7.5-100V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator
- LM5160 — LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converter
- LM5160-Q1 — Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter
- LM5160A — LM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter
- LM5161 — Wide Input 4.5-V to 100-V, 1-A Synchronous Buck / Fly-Buck Converter
- LM78S40 — 1.5A Adjustable Step Up, Step Down or Inverting Regulator
- TPS55340 — 5-A, 40-V, wide VIN boost, flyback, & SEPIC converter
- TPS55340-EP — Enhanced integrated, 5-A, 40-V wide input range boost/SEPIC/flyback DC/DC regulator
- TPS55340-Q1 — Integrated, 5-A 40-V wide input range boost/SEPIC/flyback DC/DC regulator, AEC-Q100 qualified
- TPS61175 — 3-A ,40V High Voltage Boost Converter with Soft-start and Programmable Switching Frequency
- TPS61175-Q1 — 3-A, 40-V high voltage boost converter with soft-start and programmable switching frequency