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Overview
| Topology | Boost Converter |
| Input voltage | 90-265 V |
| Output 1 | 400 V / 0.38 A |
Description
The LT®8312 is a power factor correction (PFC) boost controller. A LT8312-based design can achieve a power factor of greater than 0.99 by actively modulating the input current, allowing compliance with most Harmonic Current Emission requirements.
The LT8312 is well suited for a wide variety of off-line applications. The input range can be scaled up or down, depending mainly on the choice of external components. Efficiencies higher than 95% can be achieved with output power levels up to 250W.
Features
- PFC Boost with Minimum Number of External Components
- VIN and VOUT Limited Only by External Components
- Active Power Factor Correction
- Low Harmonic Distortion
- Overvoltage Protection
- Energy Star Compliant (<0.5W No-Load Operation)
- 16-Lead MSOP Package
RemarksÖ
- From Universal Input 150W PFC Boost ConverterInductor L1, L4 is at input side, it is not considered
- From Avionics Input 60W PFC Boost ConverterInductor L1, L4 is at input signal, it is not considered
- From Universal Input 200W PFC Boost ConverterInductor value is not given, it is added in one more topology
Typical applications
- Industrial
- Aviation
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | L(µH) | n | IR(A) | ISAT(A) | RDC1 max(mΩ) | RDC2 max(mΩ) | VT(V (AC)) | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PFC PFC Chokes, 85 - 265 V (AC), 450 µH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PFC PFC Chokes | Input Voltage 85 - 265 V (AC) | Inductance450 µH | Turns Ratio10:1 | Rated Current1.2 A | Saturation Current5.6 A | DC Resistance 1330 mΩ | DC Resistance 2200 mΩ | Insulation Test Voltage1500 V (AC) | SizeRM12 |