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reference designLM5021 | Demoboard PMP30280

Texas Instruments LM5021 | Demoboard PMP30280

Ultra-wide Input Range (48VAC to 240VAC) Flyback Reference Design

Overview

TopologyFlyback Converter
Input voltage48-240 V
Switching frequency135-560 kHz
Output 16 V / 1.2 A
IC revisionB

Description

The PMP30280 reference design generates two isolated outputs (6V @ 1.2A / 20V @ 0.15A) from an AC input (48VAC to 240VAC). The LM5021 operates at either a fixed switching frequency or in a skip cycle mode when the converter load is light. The design uses an optical coupler to regulate the output and to improve transient response.

Features

  • Isolated outputs
  • Wide input range
  • Optocoupler feedback provides accurate regulation
  • Test report available

Typical applications

  • Building Automation and White Goods SMPS
  • Isolated Telecom Power Supplies
  • Industrial Power Conversion / SMPS for Smart Meters and Audio Amplifiers
  • DCM/CCM Flyback Converters

More information

Products

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Order Code
Data­sheet
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Downloads
Status
Product series
C
Endurance(h)
IRIPPLE(mA)
RESR(mΩ)
ILeak(µA)
DF(%)
Ø D(mm)
Packaging
IR(A)
L(mH)
RDC max.(mΩ)
VR(V (DC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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875115250001
SPECWCAP-PSHP Aluminum Polymer Capacitors, 330 µF, 2000
Simu­lation
Availability
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Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-PSHP Aluminum Polymer Capacitors
Capacitance330 µF
Endurance 2000
Ripple Current3500 mA
ESR20 mΩ
Leakage Current660 µA
Dissipation Factor8 %
Diameter8 mm
Packaging15" Tape & Reel 
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Rated Voltage10 V (DC)
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Length7.7 mm
Width8.3 mm
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MountV-Chip SMT 
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744821150
SPECWE-CMB Common Mode Power Line Choke, –, –
Simu­lation
Availability
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Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CMB Common Mode Power Line Choke
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Rated Current1 A
Inductance5 mH
DC Resistance220 mΩ
Rated Voltage250 V (DC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length15 mm
Width7.8 mm
Height18 mm
MountTHT 
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