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Overview
| Topology | Flyback Converter |
| Input voltage | 8-36 V |
| Output 1 | 15 V / 0.4 A |
| IC revision | 1.0 |
Description
We have developed a ± 12V isolated DC / DC power supply reference board specialized for PLC (Programmable Logic Controller) and FA (Factory Automation) equipment.Since many analog signal processing circuits for sensors are mounted in devices connected to field buses related to PLCs and FA devices, high precision, positive and negative power supplies are required. In addition, insulation of the power supply is indispensable for reliability reasons to prevent the accidental failure of the sensor node from spreading to the entire system.This reference board is designed using Analog Devices' isolated power controller IC (Model: LT8302) and a general-purpose transformer (Wurth Elektronik, Inc. model number: 750313443). Insulated power supplies often cause problems with the availability of transformers, but since they are general-purpose products, they can be safely applied to systems for PLCs and FA devices.
Features
- Monolithic isolated flyback converter
- Operates in the input voltage range of 2.8V to 42V
- Can supply up to 18W of power
- By directly sampling the isolated output voltage from the flyback waveform on the primary side, the device can be regulated without the need for a third winding and an optical isolator.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | Q(%) | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | VIN | VOut1(V) | IOut1(mA) | VOut2(V) | IOut2(mA) | L(µH) | Qmin. | n | ISAT(A) | LS(µH) | VT(V (AC)) | IC Reference | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 100 V(DC), 470 pF, ±5% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | Capacitance470 pF | Capacitance±5% | Rated Voltage100 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | Q-Factor [1]1000 | – | – | – | – | – | – | – | – | – | – | |||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, 47 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | Capacitance47 µF | Capacitance±20% | Rated Voltage50 V (DC) | Size6.3 x 7.7 | Operating Temperature -55 °C up to +105 °C | – | Dissipation Factor12 % | Insulation Resistance2.12766 MΩ | – | Length7.7 mm | Width6.6 mm | – | – | Packaging15" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | Endurance 2000 | Ripple Current230 mA | Impedance700 mΩ | Leakage Current23.5 µA | Diameter6.3 mm | ||||
 | WE-FLYLT Flyback Transformers for Linear Technology, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FLYLT Flyback Transformers for Linear Technology | – | – | – | SizeEP10 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | Length13.34 mm | Width15.24 mm | Height11.43 mm | – | PackagingTape and Reel | Input Voltage 8 - 32 V (DC) | Output Voltage 112 V | Output Current 1375 mA | Output Voltage 212 V | Output Current 2375 mA | Inductance9 µH | – | Turns Ratio1:1:1 | Saturation Current7.3 A | Leakage Inductance1 µH | Insulation Test Voltage1500 V (AC) | IC ReferenceLT8302 | – | – | – | – | – |