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reference designUCC28911 | Demoboard TIDA-00618.1

Texas Instruments UCC28911 | Demoboard TIDA-00618.1

8.5W Dual Output (5V/12V) Universal Input AC/DC Isolated Flyback Reference Design with PSR

Overview

TopologyFlyback Converter
Input voltage90-265 V
Output 15 V / 0.5 A
Output 212 V / 0.5 A
IC revisionE1

Description

The TIDA-00618 reference design is a Primary Side Regulation switcher which provides isolated dual outputs, 5V and 12V rails, with DC stacking of the secondaries to provide output voltage regulation that is equivalent to op-to-coupler based solution.Low system parts count and built in advanced protection features result in a cost-effective solution with an average efficiency of nearly 75% at 230V

Features

  • Isolated 5V and 12V output at 500mA maximum
  • Conducted EMI compliant
  • 100ms typical start-up time
  • Primary side control eliminates need for op-to coupler
  • Input under & Output over voltage protection
  • Primary over current protection
  • Controlled start up and restart after fault Protection

More information

Products

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L(µH)
IR(A)
ISAT,10%(A)
RDC max.(Ω)
fres(MHz)
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7447462471
SPECWE-TI Radial Leaded Wire Wound Inductor, 470 µH, 0.35 A
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance470 µH
Rated Current0.35 A
Saturation Current @ 10%0.4 A
DC Resistance2.4 Ω
Self Resonant Frequency3.4 MHz
VersionHeat Shrinking Tube 
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750315146
SPECOffline Transformer, 750 µH, –
Simu­lation
Availability
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Downloads4 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Offline Transformer
Inductance750 µH
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