IC manufacturers Texas Instruments

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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

Products

Order Code Data­sheet Simu­lation Downloads Product seriesVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
Vaux
(V)
fswitch
(kHz)
L
(µH)
NPRI : NSEC : NAUXISAT
(A)
VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
MountSizeIR
(A)
RDC max.
(Ω)
fres
(MHz)
Version Samples
750315146SPEC
4 files MID-OLTI Offline Flyback Transformers for Texas Instruments 85 - 265 V (AC) 5 0.5 7 0.5 17 115 750 15.83:1.17:1:3 1 2750 19 18.5 13 THT EPC17
7447462471SPEC
8 files WE-TI Radial Leaded Wire Wound Inductor 470 0.4 6 6 8.5 THT 5075 0.35 2.4 3.4 Heat Shrinking Tube
Order Code Data­sheet Simu­lation
750315146SPEC
7447462471SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
Vaux
(V)
fswitch
(kHz)
L
(µH)
NPRI : NSEC : NAUXISAT
(A)
VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
MountSizeIR
(A)
RDC max.
(Ω)
fres
(MHz)
Version Samples