Coilcraft, Inc. Datasheets for Flyback Transformers

Flyback transformers (FBT) or line output transformers (LOPT) are designed to produce a very high voltage by storing energy in their magnetic windings.
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Product Name Notes
Coilcraft LPD3015 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD4012 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5010 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5030 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD5030V Series surface-mount 1:1 coupled power inductors feature higher isolation and are suitable for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make...
Coilcraft LPD6235 Series surface-mount 1:1 coupled power inductors are ideal for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make them ideal for high-density...
Coilcraft LPD8035V Series surface-mount 1:1 coupled power inductors feature higher isolation and are suitable for Flyback, SEPIC, Cuk, Zeta and other applications. Their compact, low-profile design and magnetic shielding make...
Coilcraft LPR4012 Series low-profile 1:N coupled power inductors are ideal for a variety of voltage step-up and step-down applications, including low voltage step-up in energy harvesting designs. They offer excellent...
Coilcraft LPR6235 Series low-profile 1:N shielded coupled power inductors are ideal for a variety of voltage step-up and step-down applications, including low voltage step-up in energy harvesting designs. They offer...
Coilcraft PFD2015 Series of miniature 1:1 coupled power inductors are used as low-power isolation transformers in SEPIC applications, or as common mode chokes. A wide range of inductance values means...
Coilcraft's MSD1048 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1260 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1260T Series of 1:1 high-temperature coupled power inductors are used in Flyback, SEPIC, Ćuk, Zeta and other applications. The MSD_T family features magnetic shielding for compact packaging and tight...
Coilcraft's MSD1278 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1278T Series of 1:1 high-temperature coupled power inductors are used in Flyback, SEPIC, Ćuk, Zeta and other applications. The MSD_T family features magnetic shielding for compact packaging and tight...
Coilcraft's MSD1514 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD1583 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
Coilcraft's MSD7342 Series of 1:1 coupled power inductors feature magnetic shielding for compact packaging and tight winding-to-winding coupling. They are ideal for Flyback, SEPIC, Ćuk, Zeta and other applications. Ideal...
The AC1584-AL no-opto flyback transformer is designed for the EVL8017-L-00B PoE PD Flyback converter evaluation board from Monolithic Power. It has no auxiliary winding, specifically designed for active-clamp, primary side...
Can be used with Linear Technology LT1725 Flyback Controller. Suitable for use in PoE applications. Ideal for use in telecommunications isolated converters and isolated power supplies Six 1:1 windings
Designed for 11 Watt applications with 185 – 264 Vac input 20 V, 10 mA auxiliary winding output
Designed for 20 Watt applications Operates in continuous conduction mode at 250 kHz with 42 – 57 V input voltage
Designed for ON Semiconductor Power Factor Correction and Flyback Controllers Requires only 1.5 sq cm of board space Operating frequency from 20 kHz to 250 kHz
Designed for ST PM8800 PoE Powered Device Controller
Designed for use Texas Instruments Fully Autonomous Single Port Type 2 (30 W) PoE PSE Reference Design PMP20588.
Designed for use with Linear Technology LT3750 Capacitor Charger Controller Smaller footprint than other transformers for this application For charging capacitors to 300 V Shown on LT3750 application note for...
Designed for use with Linear Technology LT3751 Capacitor Charger Controller For charging capacitors to 500 V Coilcraft DA2033-AL and DA2034-AL are specified for 5 A and 10 A applications COTS...
Designed for use with STMicroelectronics STLC3075 & STLC3085 POTS interface Provides negative battery voltage to the microchip Versions for 4.5 – 8.5 V and 8.5 – 12 V inputs
Designed for use with Texas Instruments UCC28600 Green Mode Controller. Specified in SLUU256A for TI evaluation module. Operates in discontinuous mode at frequencies up to 140 kHz.
Designed specifically for use with Intersil ISL6401 family Low profile design
Developed for applications with 10 – 14 V input Bias winding provides power to the chipset RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations
Developed for Linear LT1725 Isolated Flyback Controller Can be used in isolated and non-isolated designs and in PoE applications Interleaved secondary windings RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over...
Developed for Linear Technology for use with the LT3799 Isolated LED Controller with active power factor correction Mounted on LT3799 Demo Board Universal input; 24 Watt output
Developed for Linear Technology LT3573 Isolated Flyback Converter Can also be used in PoE applications Bias winding provides power to the chipset
Developed for Linear Technology LT3751 Capacitor Charger Controller
Developed for Linear Technology LT8584 Isolated Monolithic Active Cell Balancer
Developed for Linear Technology LT8584 Isolated Monolithic Active Cell Balancer Input: 2 – 8 V; Outputs: 10 – 35 V, 30 – 80 V and 100 – 400 V AEC-Q200...
Developed for Linear Technology LTC3300‑1 Bidirectional Cell Balancer
Developed for Maxim MAX17595 Flyback Controller. Input voltage: Universal and telecom (36 V – 72 V)
Developed for Maxim MAX5941A PoE Interface/PWM Controller
Developed for Maxim MAX5941A PoE Interface/PWM Controller Interleaved primary and secondary windings RoHS-compliant. 260°C compatible. Tin-silver over tin over nickel over phos bronze terminations
Developed for Maxim MAX5941B PoE Interface/PWM Controller Designed for 13 W PoE applications RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations
Developed for Microchip for their Grid-Connected Solar Microinverter using dsPIC For 220 Vac applications, KA4823-BL has been replaced by KA4823-CL, which has a higher SRF and higher efficiency. Listed on...
Developed for Microchip to operate with PIC16HV785 CMOS Microcontroller and MCP1402 Gate Driver Universal AC input 12 V bias winding output powers the microcontroller
Developed for Monolithic Power Systems MP8007 Flyback Reference Design for IEEE802.3af compliant PoE applications. Operates in continuous conduction mode with 36 – 57 V input.
Developed for ON Semi NCP101X Self-Supplied Monolithic Switcher A9619-CL provides 7 Watts output for 120 Vac applications B0570-BL provides 15 Watts for 230 Vac applications. RoHS-compliant. Tin-silver over tin over...
Developed for ON Semiconductor NCP1236 Fixed Frequency PWM Controller and NCP4305FBDAP 65W Off-Line AC/DC Adapter Universal input; 66 Watt output Copper shield minimizes EMI radiation
Developed for ON Semiconductor NCP1606 PFC Controller Designed for 90 W application
Developed for Powered Devices (PD) in IEEE 802.3af compliant PoE applications 6 Watt and 13 Watt output versions 36 – 72 V input, 250 kHz switching frequency Bias winding output:...
Developed for Powered Devices (PD) in IEEE 802.3af compliant PoE applications Designed to operate in continuous mode 36 – 72 V input with versions for 3 Watt, 7 Watt and...
Developed for Silicon Laboratories Si3402 PD Controller up to 15 W Designed to operate in continuous mode at 250 kHz 36 – 72 Vdc input AEC-Q200 Grade 3 (−40°C to...
Developed for Silicon Labs Si3406, Si34061, and Si34062 30 W PD Flyback POE Designed to meet 30 W PoE IEEE 802.3at-2009 standard Optimized for 220 kHz with 36 – 57...
Developed for Texas Instruments LM5001 Switch Mode Regulator Isolated flyback transformer designed to operate in continuous mode Designed for 16 – 36 Volt input; 250 kHz operating frequency
Developed for Texas Instruments LM5071PD Controller Offers 84% efficiency as specified in Texas Instruments application note AN-1430 Designed to operate in continuous mode at 250 kHz with input voltage of...
Developed for Texas Instruments LM5072 PD Interface for 24 Watt PoE applications Specified by Texas Instruments for its POE+PHYTEREV-I/-E eval board Five different outputs to match a variety of applications...
Developed for Texas Instruments PMP7899 Reference Design for Non-Synchronous Flyback Converter with an Isolated Output
Developed for Texas Instruments TPS23751 and TPS23752.
Developed for Texas Instruments TPS23753 for use at 125 kHz. Windings optimized for hiccup overload protection
Developed for Texas Instruments TPS23753A IEEE802.3 PoE Interface and Converter Controller Shown on TI PMP9068 Class 1 Isolated Synchronous Flyback Converter for PoE PD Application Reference Design
Developed for the Microchip AN1444 Microinverter Rectified sine wave output
Developed for the Texas Instruments Isolated Flyback DC-DC converter reference design (PMP9801) based on the TPS61046 boost converter. Output of the auxiliary winding is 5 V, 2 mA, used to...
Developed for TI LM5020 PWM Controller Can be used in PoE applications 1 MHz operating frequency Low profile, surface mount
Developed for TI TPS23750 PoE PD controller (PMP717 reference design) Designed for discontinuous mode in isolated, non-synchronous power supplies.
Developed for TI TPS23750 PoE PD controller (PMP929 reference design) Isolated, synchronous flyback transformers for IEEE 802.3af PoE applications
Developed for TI TPS23753A PoE PD controller (PMP8896 and PMP9175 reference designs)
Developed for TI TPS23754 PoE Interface and DC/DC Converter
Developed for TI TPS2375x PoE Interface and DC/DC Converters
Developed for TI UCC1809/2809/3809 Primary Side Controller Designed for 50 W dc-to-dc fixed frequency current mode switching power supplies
Developed for use with Microsemi UC3844 Current Mode Controller and LX1752 Buck Regulator T1 on PoE PD Power Supply Evaluation Board (AN-37)
Developed for use with NXP Semiconductor SSL2103 SMPS Controller for dimmable LED lighting
Developed for use with ON Semiconductor NCP1027 Standby Power Supply Specified in Application Note AN8241/D Designed for for universal input, 85 – 265 Vac Operates in continuous conduction mode at...
Developed for use with the Maxim MAX17497A/B AC-DC and DC-DC Peak-Current-Mode Converters for wide input-voltage nonisolated power supplies to supply multiple output rails for smart meters, industrial control and similar...
Developed for use with TI LM5122 Synchronous Flyback Controller with Multiple Phase Capability. 96% efficiency
Developed for use with TI TPS55340 Boost/SEPIC/Flyback DC-DC Regulator.
Featured on Maxim MAX16801 demonstration board Designed for PWM Dimming of High-Brightness LEDs
Flyback and forward transformers for PoE applications up to 72 W Operates with 9 – 57 V input (POE21, 22, 24, 33, 35 and 38) Operates with 33 – 57...
Flyback for Texas Instruments TPS23756 High Power/High Efficiency PoE Interface and DC/DC Controller
Flyback transformer for 10 W PoE applications Developed to work with TI TPS23753A PoE controller
For flyback regulator applications using the Texas Instruments LM5000 Regulator Recommended and approved by Texas Instruments
Improved version of the MA5237-AL with lower leakage inductance and better winding parasitics Flyback transformer developed for Maxim for the MAX17498B Evaluation Kit
Mounted on Maxim MAX17597 Evaluation Kit
Optimized for ON Semiconductor’s NCP1351 Variable Off Time PWM Controller and Microchip’s HV96001 LED Controller Designed for universal input, 85 – 265 Vac
Optimized for use with On Semiconductor NCP1030 power converter Interleaved primary and secondary windings for low leakage inductance Ideal for 48 V telecom power supply and Power Over Ethernet (PoE)...
Referenced by Texas Instruments on application notes AN-1724 and AN-1725 Designed for 13 Watt applications Operates in continuous conduction mode at 250 kHz with 36 – 72 V input voltage...
Referenced on Akros Silicon Application Note AN006 Designed for 13 Watt PoE applications For 30 Watt applications see GA3568-DL / HA3809-AL.
Referenced on Akros Silicon Application Note AN025 Designed for 30 Watt applications For 13 Watt applications see HA3585-BL / HA3586-BL
Six 1 : 1 isolated windings that can be connected in series or parallel Tightly coupled windings 500 Vrms isolation between each winding UL1446 Class F (155°C) Insulation System (UL...
Small coupled shielded power inductor – 3.3 × 2.3 mm footprint, 1.5 mm high Excellent as low-power isolation transformers Great for Flyback, SEPIC, Ćuk, Zeta and other applications Magnetically shielded...
Small wideband transformer – 3.3 × 2.3 mm footprint, 1.5 mm high Typical applications are as impedance or isolation transformer Can also be used in SEPIC applications and as common...
Smallest capacitor charging transformer: 6.2 × 6.8 mm footprint and 4.6 mm high Developed for ON Semiconductor NCP5080 Photoflash Capacitor Charger
Smallest wideband transformer – 2.2 × 1.45 mm footprint, 1.5 mm high Typical applications are as impedance or isolation transformer Can also be used in SEPIC applications and as common...
Specified by Silicon Laboratories for Si3402 PD Controller up to 15W output Designed for IEEE 802.3af-compliant PoE applications Power inductor DO5010H-333 also specified for the circuit.
Specified by Texas Instruments for use in the Bias Power Supply for their UCD3K Digital Power Controller Designed to meet UL/CSA/IEC 60950 Reinforced Insulation Class; 3 mm creepage/clearance
Specified by Texas Instruments in Reference Design SLUU341. Flyback transformer for 5 W bias supply: HA3950-AL, listed as T201
Triple output flyback transformer Developed for use with Texas Instruments UCC28600 Green Mode Controller Designed to operate at 50 kHz with universal ac input

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