PR779, A 1.2kW Universal Input Interleaved CCM PFC Power Board
Reference Design using part UCC28070PW by Texas Instruments
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Description
- PR779, A 1.2kW Universal Input Interleaved CCM PFC Power Board. The PR779 is a 1.2 kW universal input (85 to 270 VRMS) interleaved PFC converter with 390 VDC output. It achieves efficiencies greater than 95% at 115 Vac from 20% to 100% load. Efficiency is greater than 97% for the same load group when input is 230 Vac. Power factor is greater than 0.98 for the same load range and either 115 VAC or 230 VAC input. The design meets current EN61000-3-2 requirements. The design consists of two boards. The main board, PR779, includes the power train components and a daughter board, PR780. The daughter board contains all the necessary control circuitry to drive the power train. The control is based on the UCC28070 continuous current mode interleaved PFC controller
Key Features
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Conversion TypeAC to DC
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Input Voltage85 to 270 (AC) V
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Output Voltage390 V
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Efficiency97 %
Featured Parts (3)
| Part Number | Manufacturer | Type | Description | |||
|---|---|---|---|---|---|---|
|
CD4093BPWR | Texas Instruments | Logic Gates | NAND Gate 4-Element 2-IN CMOS 14-Pin TSSOP T/R | Buy | |
|
UCC28070PW | Texas Instruments | Power Factor Correction - PFC | Power Factor Correction Controller 30kHz to 300kHz 20-Pin TSSOP Tube | Buy | |
|
|
UCC28070PWR | Texas Instruments | Power Factor Correction - PFC | Power Factor Correction Controller 30kHz to 300kHz 20-Pin TSSOP T/R | Buy | |