TIDA-00520 Reference Design

Texas Instruments

300-W PFC plus Resonant LLC Half-Bridge controller off-line AC/DC PSU Module

Description

This is a high efficiency 300-W AC/DC reference design.  The design can be biased from external supply or configured for Self-Bias Auxillary mode for operation directly off the AC mains.  The PFC is fully internally compensated: reducing design complexity and pcb design.  Protections include 3-level OCP: line brown-out: PFC Bulk OVP plus UVP and OTP.

Features
  • 88.9% @115V: 90.6% @230V average efficiency83.68% @115V: 85.07% @230V 10% load efficiency High Power factor 99.5%: 6% typical THD @230Vac 50HzLess than 200mW No-Load-Power @115Vac acheivable in Auxulliary Self-BIAS mode 397ms turn-on timeLine Brownout Protection
Applications
  • Lab & field Instrumentation
  • Automotive test
  • Radar
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TL431A TL431A Buy Datasheet
UCC27511 UCC27511 Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIDA-00520 Gerber 10 Mar 2015 ZIP 327
TIDA-00520 BOM 10 Mar 2015 PDF 230
TIDA-00520 Schematic 10 Mar 2015 PDF 260