IC manufacturers Texas Instruments

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Texas Instruments LM3445 | Demoboard PMP4327A

Non-isolated Dimmable LED Driver with improved line regulation

Overview

TopologyBuck Converter
Input voltage90-132 V
Output 112.4 V / 0.31 A
IC revisionA

Description

This reference design demonstrates a high efficiency non-isolated dimmable LED driver solution using LM3445. With additional feed-forward circuit, improved line regulation <+/-2% performance is achieved. The input range is 90~132Vac and output is 40V310mA.

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
VersionPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples
7447720392SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-TI Radial Leaded Wire Wound Inductor 3900 0.27 8050 0.88 Standard 9.5 0.22
61300111121SPEC
6 files Active i| Production is active. Expected lifetime: >10 years.WR-PHD 2.54 mm THT Pin Header 1 Single Pin Header Straight 3 Bag
Order Code Data­sheet Simu­lation
7447720392SPEC
61300111121SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
VersionPins (Value)
(pcs)
RowsH
(mm)
GenderTypeIR
(A)
Packaging Samples