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Overview
| Topology | Buck Converter |
| Input voltage | 85-282 V |
| Output 1 | 12 V / 4 A |
| IC revision | 1.00 |
Description
We have developed an AC/DC reference board capable of 12V output, specialized for industrial equipment such as industrial inverters, power conditioners, and PLCs. It is a reference board for low power consumption and compact AC/DC isolated power supply with built-in rectifier circuit so that AC power can be directly input.As AC power input, it supports single phase (100V, 200V) and can be applied to various systems according to customer's application. This reference board uses an isolated power flyback controller IC (type: LT8316) from Analog Devices.Others are designed using a common mode inductor (Wurth Elektronik model: 744821240) and a transformer (Wurth Elektronik model: 750317463)
Features
- Wide Input Voltage Range: 16V to 600V
- No optical isolator required for regulation
- Quasi-resonant boundary mode operation
- Constant current and constant voltage regulation
- Low ripple light load Burst Mode???? operation
- Low Quiescent Current: 75μA
- Programmable current limit and soft start
- TSSOP package with space for high voltage pins
Typical applications
- industrial inverters, power conditioners, and PLCs
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1(V) | IOut1(A) | Vaux(V) | RDC 1(Ω) | RDC 2(Ω) | RDC 3(Ω) | fswitch(kHz) | L(µH) | NPRI : NSEC : NAUX | ISAT(A) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Size | Pins | Type | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-OLLT Offline Flyback Transformers, 57 - 424 V (AC), 12 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLLT Offline Flyback Transformers | Input Voltage 57 - 424 V (AC) | Output Voltage 112 V | Output Current 14 A | Auxiliary Voltage12 V | DC Resistance 10.615 Ω | DC Resistance 20.025 Ω | DC Resistance 30.2 Ω | Switching Frequency 100 | Inductance440 µH | Turns Ratio8:1:1 | Saturation Current5.5 A | Insulation Test Voltage3000 V (AC) | Length31.5 mm | Width31.5 mm | Height20.5 mm | MountTHT | SizeRM10 | – | – | – | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | Length7.62 mm | – | – | MountTHT | – | Pins3 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |