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: 9

Chip One Stop (1)

ProductStockPriceBuy
LT3502AEDC#TRMPBF554
15.32 USD
103.45 USD
502.67 USD
1002.53 USD
2002.44 USD
5002.25 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LT3502AIDC#TRMPBF10Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT3502AIDC#TRMPBF10Buy Now

Digi-Key (8)

ProductStockPriceBuy
LT3502AEDC#TRMPBF9000
5002.34 USD
Buy Now
LT3502AEDC#TRMPBF9068
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LT3502AEDC#TRMPBF9068
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LT3502AIDC#TRMPBF1500
5002.81 USD
Buy Now
LT3502AIDC#TRMPBF1784
15.48 USD
254.89 USD
1003.37 USD
2503.09 USD
Buy Now
LT3502AIDC#TRMPBF1784
15.48 USD
254.89 USD
1003.37 USD
2503.09 USD
Buy Now
LT3502AEMS#PBF789
14.46 USD
252.99 USD
1002.54 USD
Buy Now
LT3502AIMS#PBF473
15.36 USD
253.58 USD
1003.05 USD
Buy Now
LT3502AEMS#TRPBF0
25002.64 USD
Buy Now
LT3502AEMS#TRPBF0
15.14 USD
254.59 USD
1003.17 USD
2502.91 USD
Buy Now
LT3502AEMS#TRPBF0
15.14 USD
254.59 USD
1003.17 USD
2502.91 USD
Buy Now
LT3502AEDC#TRPBF0
25002.34 USD
Buy Now
LT3502AIDC#TRPBF0
25002.81 USD
Buy Now
LT3502AIMS#TRPBF0
25003.15 USD
Buy Now
DC1089B0
176.50 USD
Buy Now
LT3502AEDC0
00.00 USD
Buy Now
LT3502AIDC0
00.00 USD
Buy Now

Distrelec (1)

ProductStockPriceBuy
LT3502AIDC#TRMPBF408Buy Now

Element14 (2)

ProductStockPriceBuy
LT3502AIDC#TRMPBF17
13.32 USD
Buy Now
LT3502AIDC#TRMPBF17
13.32 USD
Buy Now

Mouser Electronics (4)

ProductStockPriceBuy
LT3502AEDC#TRMPBF463
14.71 USD
104.38 USD
254.20 USD
1002.88 USD
2502.64 USD
5002.40 USD
Buy Now
LT3502AIDC#TRMPBF47
15.63 USD
105.21 USD
255.01 USD
1003.45 USD
2503.16 USD
5002.88 USD
Buy Now
LT3502AIMS#PBF12
15.50 USD
105.04 USD
253.68 USD
1003.13 USD
Buy Now
LT3502AEMS#PBF900 On Order
14.59 USD
104.19 USD
253.06 USD
1002.60 USD
Buy Now
LT3502AIDC#TRPBFNone
25002.88 USD
Buy Now
LT3502AEMS#TRPBFNone
25002.70 USD
Buy Now
LT3502AIMS#TRPBFNone
25003.23 USD
Buy Now
LT3502AEDC#TRPBFNone
25002.40 USD
Buy Now

RS Components (4)

ProductStockPriceBuy
LT3502AEDC#TRMPBF112Buy Now
LT3502AEMS#PBF22Buy Now
LT3502AEMS#PBF554Buy Now
LT3502AIDC#TRMPBF795Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT3502AIDC#TRMPBF1Buy Now

Available Distributors without stock: 2

Farnell Element14 (0)

ProductStockPriceBuy
LT3502AEDC#PBF0Buy Now
LT3502AEMS#PBF0Buy Now
LT3502AIDC#TRMPBF0Buy Now
LT3502AIDC#TRMPBF0Buy Now
LT3502AIMS#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LT3502AIDC#TRMPBF 938
13.34 $
1002.75 $
Buy Now
LT3502AIDC#TRMPBF 0
13.34 $
1002.75 $
Buy Now
LT3502AEMS#TRPBF 0
1002.59 $
Buy Now
LT3502AIMS#TRPBF 0
1003.09 $
Buy Now
LT3502AIDC#PBF 0
16.24 $
Buy Now
LT3502AIMS#PBF 0
13.51 $
1002.99 $
Buy Now
LT3502AEMS#PBF 0
12.93 $
1002.49 $
Buy Now
LT3502AEDC#TRMPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AEDC#TRMPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AEDC#TRMPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AEDC#TRMPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AEDC#TRPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AEDC#TRPBF 0
12.79 $
1002.29 $
Buy Now
LT3502AIDC#TRPBF 0
13.34 $
1002.75 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3502AEDC#TRMPBF 9068
2502.19 €
1002.39 €
253.50 €
13.91 €
Buy Now
LT3502AEDC#TRMPBF 9068
2502.19 €
1002.39 €
253.50 €
13.91 €
Buy Now
LT3502AEDC#TRMPBF 9000
5001.99 €
Buy Now
LT3502AIDC#TRMPBF 1784
2502.63 €
1002.87 €
254.17 €
14.67 €
Buy Now
LT3502AIDC#TRMPBF 1784
2502.63 €
1002.87 €
254.17 €
14.67 €
Buy Now
LT3502AIDC#TRMPBF 1500
5002.39 €
Buy Now
LT3502AEMS#PBF 789
1002.17 €
252.55 €
13.80 €
Buy Now
LT3502AIMS#PBF 473
1002.60 €
253.05 €
14.57 €
Buy Now
LT3502AEMS#TRPBF 0
25002.25 €
Buy Now
LT3502AEMS#TRPBF 0
2502.48 €
1002.70 €
253.91 €
14.38 €
Buy Now
LT3502AEMS#TRPBF 0
2502.48 €
1002.70 €
253.91 €
14.38 €
Buy Now
LT3502AEDC#TRPBF 0
25001.99 €
Buy Now
LT3502AIDC#TRPBF 0
25002.39 €
Buy Now
LT3502AIMS#TRPBF 0
25002.69 €
Buy Now
DC1089B 0
165.25 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT3502AEDC#TRMPBF 463
14.60 $
104.27 $
254.10 $
1002.80 $
2502.57 $
5002.34 $
Buy Now
LT3502AIDC#TRMPBF 47
15.49 $
105.09 $
254.89 $
1003.37 $
2503.09 $
5002.80 $
Buy Now
LT3502AIMS#PBF 12
15.37 $
104.92 $
253.58 $
1003.05 $
Buy Now
LT3502AEMS#PBF 0
14.47 $
104.09 $
252.99 $
1002.54 $
Buy Now
LT3502AIDC#TRPBF 0
25002.80 $
Buy Now
LT3502AEMS#TRPBF 0
25002.64 $
Buy Now
LT3502AIMS#TRPBF 0
25003.15 $
Buy Now
LT3502AEDC#TRPBF 0
25002.34 $
Buy Now
LT3502AEDC#PBF 0 Buy Now
LT3502AIDC#PBF 0 Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LT3502AIDC#TRMPBF 25
73.00 $
34.00 $
16.00 $
Buy Now
LT3502AIDC#TRPBF 60
514.62 $
154.99 $
17.48 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3502AIDC#TRMPBF 17
12.66 $
Buy Now
LT3502AIDC#TRMPBF 17
12.66 $
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3502AEDC#TRMPBF 554
5002.23 $
1002.36 $
14.25 $
Buy Now
LT3502AEMS#PBF 50
502.89 $
103.14 $
14.32 $
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LT3502AEDC#TRPBF 9300
25002.80 $
93002.64 $
Buy Now

RS Components

ProductStockPriceBuy
LT3502AEDC#TRMPBF 112
54.40 GBP
253.96 GBP
1253.51 GBP
2503.07 GBP
Buy Now
LT3502AEMS#PBF 554
263.21 GBP
Buy Now
LT3502AEMS#PBF 22
23.47 GBP
263.21 GBP
Buy Now
LT3502AIDC#TRMPBF 795
12.26 GBP
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LT3502AIDC#TRMPBF 0
14.38 GBP
103.94 GBP
253.52 GBP
502.97 GBP
1002.42 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
0Results
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