DC-DC Converters
3 parts by stock depthSwitching regulators for when a linear part would cook. Step-down converters rated 3 A across the usual input ranges.
TracedParts lists 3 DC-DC converters from 2 manufacturers. Prices, stock and lead time come from DigiKey, Mouser and element14 through their own APIs, pulled 2026-09-25. The 3 shown on this page hold 29,051 units between them, cheapest unit price from RM 3.95.
Which DC-DC converters are in stock, and what do they cost?
PART NUMBER
MANUFACTURER
DESCRIPTION
PACKAGE
TOTAL STOCK
FROM
TPS54331DR
Texas Instruments
3 A step-down converter, 3.5-28 V input, SO-8
SO-8
13,191
RM 4.86
MP1584EN-LF-Z
Monolithic Power Systems
3 A step-down converter, 4.5-28 V input, SOIC-8-EP
SOIC-8-EP
11,130
RM 3.95
LM2596S-5.0/NOPB
Texas Instruments
3 A step-down converter, 4.5-40 V input, fixed 5 V, TO-263-5
TO-263-5
4,730
RM 12.40
Common questions about DC-DC converters
How many DC-DC converters does TracedParts list?
3 part numbers from 2 manufacturers, every one of them carried by an authorized distributor. They are ordered by total stock depth, so the parts you can actually buy today come first.
What is the lowest price for DC-DC converters?
Unit prices in this category start at RM 3.95 at quantity one. Larger quantities reach lower price breaks, and each part page shows the lowest price a quoting distributor lists for that exact part number.
Where do the DC-DC converters prices and stock come from?
DigiKey, Mouser and element14, read from their own APIs and refreshed daily; this page reflects the catalogue snapshot of 2026-09-25. No broker or open-market listings appear anywhere on TracedParts.