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: 0

no online Distributor with LT3502A stock available

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
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.