LT3502A Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3502A is a 40.00 V non-sync Buck Converter from with 0.50 A output current. The maximum 40.00 V input voltage can be regulated down into a 0.80 V to 20.00 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 7 and achieves a peak efficiency of 86 %. Further LT3502A characteristics are a fixed 2200 kHz switching frequency and 2 available package option(s): MSOP-10 DFN-8 .

For the LT3502A replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 3.00 V
V-IN max. 40.00 V
I-OUT? 0.50 A
V-OUT min. 0.80 V
V-OUT max. 20.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 2000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 86 %
Component count min. 7
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LT3502A Datasheet

Link to the most up-to-date LT3502A datasheet and the product page for EVM, tools and support information.

LT3502A

LT3502A Sample stock and distributor price breaks

LT3502A prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT3502A stock available

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LT3502AEDC#TRPBF 835
5002.35 $
2502.41 $
1002.53 $
253.07 $
14.62 $
Buy Now
LT3502AIMS#PBF 468
10002.77 $
5002.88 $
2502.95 $
1002.99 $
253.75 $
15.66 $
Buy Now
LT3502AEDC#TRMPBF 190
1002.38 $
252.65 $
13.88 $
Buy Now
LT3502AIDC#TRPBF 108
5002.82 $
2502.89 $
1003.04 $
253.68 $
15.54 $
Buy Now
LT3502AIDC#TRMPBF 33
5002.84 $
2502.95 $
1003.10 $
253.75 $
15.65 $
Buy Now
LT3502AEDC#TRPBF 0
25002.35 $
Buy Now
LT3502AEDC#TRMPBF 0
5002.21 $
Buy Now
LT3502AIDC#TRPBF 0
25002.82 $
Buy Now
LT3502AIDC#PBF 0 Buy Now
LT3502AIDC#TRMPBF 0
15002.64 $
5002.69 $
Buy Now
LT3502AEMS#PBF 0
2502.53 $
Buy Now
LT3502AEMS#PBF 0
10002.31 $
5002.40 $
2502.45 $
Buy Now
LT3502AIMS#TRPBF 0
25003.09 $
Buy Now
LT3502AEMS#TRPBF 0
25002.54 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3502AEMS#PBF 29718
5002.31 €
2502.36 €
1002.48 €
253.00 €
14.52 €
Buy Now
LT3502AIDC#TRMPBF 13579
2502.83 €
1002.98 €
253.60 €
15.42 €
Buy Now
LT3502AIDC#TRMPBF 13579
2502.83 €
1002.98 €
253.60 €
15.42 €
Buy Now
LT3502AIDC#TRMPBF 13000
5002.68 €
Buy Now
LT3502AEDC#TRMPBF 7400
2502.00 €
1002.10 €
252.54 €
13.82 €
Buy Now
LT3502AEDC#TRMPBF 7400
2502.00 €
1002.10 €
252.54 €
13.82 €
Buy Now
LT3502AEDC#TRMPBF 7000
5001.94 €
Buy Now
LT3502AIMS#PBF 2689
5002.77 €
2502.83 €
1002.98 €
253.60 €
15.43 €
Buy Now
LT3502AEDC#TRPBF 2073
5002.25 €
2502.31 €
1002.43 €
252.94 €
14.42 €
Buy Now
LT3502AEDC#TRPBF 2073
5002.25 €
2502.31 €
1002.43 €
252.94 €
14.42 €
Buy Now
LT3502AEMS#TRPBF 1953
5002.44 €
2502.49 €
1002.62 €
253.53 €
14.78 €
Buy Now
LT3502AEMS#TRPBF 1953
5002.44 €
2502.49 €
1002.62 €
253.53 €
14.78 €
Buy Now
LT3502AEDC#TRPBF 0
25002.19 €
Buy Now
LT3502AEMS#TRPBF 0
25002.37 €
Buy Now
LT3502AIDC#TRPBF 0
25002.63 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT3502AIDC#TRMPBF 7500
5003.00 $
Buy Now
LT3502AEDC#TRMPBF 4500
5002.52 $
Buy Now
LT3502AEDC#TRPBF 2182
21822.86 $
Buy Now
LT3502AEDC#TRPBF 835
5002.35 $
2502.41 $
1002.53 $
253.07 $
34.62 $
Buy Now
LT3502AIMS#PBF 468
10002.77 $
5002.88 $
2502.95 $
1002.99 $
253.75 $
35.66 $
Buy Now
LT3502AEDC#TRMPBF 190
1002.38 $
252.65 $
33.88 $
Buy Now
LT3502AIDC#TRPBF 108
5002.82 $
2502.89 $
1003.04 $
253.68 $
35.54 $
Buy Now
LT3502AIDC#TRMPBF 33
5002.84 $
2502.95 $
1003.10 $
253.75 $
35.65 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3502AEMS#PBF 6981
14.97 $
253.29 $
1002.72 $
2502.58 $
5002.53 $
10002.43 $
Buy Now
LT3502AEDC#TRMPBF 3269
14.98 $
253.30 $
1002.73 $
2502.59 $
5002.37 $
15002.31 $
Buy Now
LT3502AIDC#TRMPBF 3829
15.95 $
253.95 $
1003.26 $
2503.10 $
5002.83 $
15002.76 $
Buy Now
LT3502AIMS#PBF 1237
15.96 $
253.95 $
1003.27 $
2503.10 $
5003.03 $
10002.92 $
Buy Now
LT3502AEDC#TRPBF 2500
14.86 $
253.22 $
1002.66 $
2502.53 $
5002.47 $
25002.30 $
Buy Now

Quest Components

ProductStockPriceBuy
LT3502AEDC#TRPBF 9269
4324.22 $
1934.64 $
18.43 $
Buy Now
LT3502AIDC#TRMPBF 15
73.00 $
34.00 $
16.00 $
Buy Now
LT3502AIDC#TRMPBF 261
643.70 $
184.00 $
16.00 $
Buy Now
LT3502AIDC#TRPBF 60
337.18 $
107.77 $
111.65 $
Buy Now

RS Components

ProductStockPriceBuy
LT3502AIDC#TRMPBF 271
102.54 GBP
Buy Now
LT3502AEMS#PBF 114
263.21 GBP
23.47 GBP
Buy Now
LT3502AEMS#PBF 450
5002.49 GBP
2502.73 GBP
503.03 GBP
Buy Now
LT3502AEMS#PBF 588
263.21 GBP
Buy Now
LT3502AEDC#TRMPBF 313
2503.07 GBP
1253.51 GBP
253.96 GBP
54.40 GBP
Buy Now

Chip 1 Exchange

ProductStockPriceBuy
LT3502AEDC#TRPBF 13986
LT3502AEDC#TRPBF 2876

Chip1Stop

ProductStockPriceBuy
LT3502AIDC#TRMPBF 1358
10002.62 $
5002.70 $
2003.07 $
503.26 $
104.35 $
15.11 $
Buy Now
LT3502AEDC#TRMPBF 775
5002.56 $
2003.03 $
503.23 $
104.30 $
15.06 $
Buy Now
LT3502AIMS#PBF 10
13.38 $
Buy Now

Classic Components

ProductStockPriceBuy
LT3502AIDC#TRMPBF 300

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LT3502AIDC#TRMPBF 0
5003.13 $
10003.05 $
50002.93 $
Buy Now
LT3502AIDC#TRPBF 0
25002.98 $
50002.87 $
Buy Now
LT3502AEMS#PBF 0
2502.76 $
5002.69 $
10002.62 $
50002.52 $
Buy Now
LT3502AIMS#PBF 0
2003.32 $
5003.22 $
10003.14 $
50003.02 $
Buy Now
LT3502AIMS#TRPBF 0
25003.20 $
50003.09 $
Buy Now
LT3502AEDC#TRPBF 0
25002.48 $
50002.39 $
Buy Now
LT3502AEDC#TRMPBF 0
5002.62 $
10002.55 $
50002.46 $
Buy Now
LT3502AEMS#TRPBF 0
25002.68 $
50002.58 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3502AIDC#TRMPBF 0
2504.66 SGD
1004.90 SGD
255.93 SGD
18.92 SGD
Buy Now
LT3502AIDC#TRMPBF 0
2504.66 SGD
1004.90 SGD
255.93 SGD
18.92 SGD
Buy Now
LT3502AEMS#PBF 0
5003.80 SGD
2503.88 SGD
1004.09 SGD
254.94 SGD
17.44 SGD
Buy Now
LT3502AIMS#PBF 0
5004.56 SGD
2504.66 SGD
1004.91 SGD
255.93 SGD
18.93 SGD
Buy Now
LT3502AEDC#PBF 0
1003.89 SGD
254.51 SGD
16.48 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LT3502AIDC#TRMPBF 0
5002.12 GBP
2502.34 GBP
1002.55 GBP
503.13 GBP
253.71 GBP
103.92 GBP
14.60 GBP
Buy Now
LT3502AIDC#TRMPBF 0
5002.12 GBP
2502.34 GBP
1002.55 GBP
503.13 GBP
253.71 GBP
103.92 GBP
14.60 GBP
Buy Now
LT3502AEMS#PBF 0
1002.03 GBP
252.26 GBP
13.76 GBP
Buy Now
LT3502AIMS#PBF 0
5002.15 GBP
2502.16 GBP
1002.19 GBP
502.38 GBP
252.57 GBP
103.85 GBP
14.28 GBP
Buy Now
LT3502AEDC#PBF 0
1001.87 GBP
252.65 GBP
13.74 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3502A. Optional, compare LT3502A side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3502 LT3502 product overviewLT3502 product overview Linear Technology DFN-8, MSOP-10
0% LMR14206 LMR14206 product overviewLMR14206 product overview Texas Instruments SOT23-6
50% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
50% LM2597 LM2597 product overviewLM2597 product overview Texas Instruments PDIP-8, SOIC-8
50% LM2597HV LM2597HV product overviewLM2597HV product overview Texas Instruments PDIP-8, SOIC-8
50% LM2671 LM2671 product overviewLM2671 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
50% LMR14203 LMR14203 product overviewLMR14203 product overview Texas Instruments SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3502A.

V-IN max. 40 V, I-OUT 0.5 A, V-OUT min. 0.8 V, Frequency typ. 2200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744029002 2.2 1.5 1.2 88.00 2.8 x 2.8 x 1.5
744030002 2.2 0.7 0.8 140.00 3.3 x 3.5 x 1.05
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
74479787222A 2.2 1.8 0.7 85.00 2.5 x 2 x 1
74479887222A 2.2 1.4 0.8 140.00 2.5 x 2 x 1
74479888222 2.2 1.2 1.4 200.00 2.5 x 2 x 1
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