IC manufacturers Texas Instruments

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Texas Instruments UCC28740DR | Demoboard PMP20001

Flyback Reference Design with High Line AC Input and 5V, 12V Dual-Output

Overview

TopologyFlyback Converter
Input voltage185-260 V
Output 112 V / 0.9 A
IC revisionA

Description

The PMP11405 reference design uses the UCC28740 constant current (CC), constant voltage (CV) flyback controller for a 5V/1A, 12V/0.9A bias supply with high line AC input (185VAC to 260VAC input). With safety isolated, Over 80% efficiency is achieved at full load and less than 400mW power consumption is observed during no load condition

Features

REMARK: BOM AND SCHEMATIC PDF S ADDEDHigh line AC input to 5V/1A and 12V/0.9A dual-output1.45" x 4.45" board dimensionCC & CV is enabled with UCC28740 flyback controllerLess than 400mW no load power consumptionCross regulation tested

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesApplicationCSafety ClassdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
PackagingVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(mA)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
SizeTol. COperating TemperatureDF
(%)
Ceramic TypeFl
(mm)
fres
(MHz)
VersionIR
(A)
L
(mH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples
890324024003SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-FTX2 Film Capacitors Across the mains330 nF X2 260 0.130 GΩ -40 °C up to +105 °C 12.5 Bulk Pitch 12.5 mm ±10% -40 °C up to +105 °C 275 15 8.5 14 Boxed THT
744821240SPEC
9 files Active i| Production is active. Expected lifetime: >10 years.WE-CMB Common Mode Power Line Choke -40 °C up to +125 °C XS -40 °C up to +125 °C THT 1.5 4 140 250 1500 MnZn 15.8 7.8 18 THT
7447462101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-TI Radial Leaded Wire Wound Inductor 0.8 5075 -40 °C up to +125 °C 7.1 Heat Shrinking Tube 0.8 0.1 650 6 6 8.5 THT
885012206091SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WCAP-CSGP MLCCs 50 V(DC)22 nF10 GΩ 7" Tape & Reel 0603 ±10% -55 °C up to +125 °C 2.5 X7R Class II 0.4 50 1.6 0.8 0.8
750316002SPEC
4 files Active i| Production is active. Expected lifetime: >10 years.MID-OLTI Offline Flyback Transformers for Texas Instruments -40 °C up to +125 °C; including temp rise Tray 127 - 268 V (AC) 5 1 12.5 800 20 100 20:1:2.25:4 1.1 EE20/10/6 -40 °C up to +125 °C 0.85 3750 22.2 25 16 THT
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesApplicationCSafety ClassdV/dt
(V/µs)
DF @ 1 kHz
(%)
RISOOperating TemperaturePitch
(mm)
PackagingVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(mA)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
SizeTol. COperating TemperatureDF
(%)
Ceramic TypeFl
(mm)
fres
(MHz)
VersionIR
(A)
L
(mH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples