LT3593 LED Boost Driver overview

Description

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LT3593 is a 1 channel, 5.5 V, 0.02 A/string non-sync LED Boost Driver. It can drive a maximum of 10 LED (~3.5Vfwd) per string, features a fixed 1000 kHz frequency and is available in 2 package option(s): SOT23-6 DFN-6 .

Further characteristics are a feedback voltage of 0.250 V, a typical inductor size of 10.0 uH and a peak efficiency of 80 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.7 V
V-IN max. 5.5 V
V-OUT max. 38.0 V
Nr.of LED per string typ. 10
I-OUT/string? 0.02 A
current limit typ. 0.70 A
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Down-Mode no
Quiescent current max. -300 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 uH
feedback voltage 0.250 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 80 %
Component count min. 4
DC dimming yes
PWM dimming no
PWM frequency min.
PWM frequency max.
digital dimming yes
digital interface 1-pin
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 2
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP

LT3593 Datasheet

Link to the most up-to-date LT3593 datasheet and the product page for EVM, tools and support information.

LT3593

LT3593 inventory, samples and price

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Arrow Electronics

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LT3593ES6#TRMPBF 135
1001.70 $
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Digi-Key

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LT3593ES6#TRMPBF 2984
2501.68 €
1001.77 €
252.14 €
13.21 €
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LT3593ES6#TRMPBF 2984
2501.68 €
1001.77 €
252.14 €
13.21 €
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LT3593ES6#TRMPBF 2500
5001.59 €
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DC1224A 3
166.56 €
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LT3593EDC#TRPBF 0
25001.53 €
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LT3593ES6#TRPBF 0
25001.53 €
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LT3593EDC#TRMPBF 0
5001.59 €
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Verical

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LT3593ES6#TRMPBF 135
41.70 $
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Mouser Electronics

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LT3593ES6#TRMPBF 656
13.62 $
252.40 $
1001.98 $
2501.88 $
5001.72 $
15001.67 $
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LT3593EDC#TRMPBF 0
5001.72 $
15001.67 $
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LT3593EDC#TRPBF 0
25001.65 $
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LT3593ES6#TRPBF 0
25001.65 $
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LT3593EDC#PBF 0 Buy Now
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Chip 1 Exchange

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LT3593ES6#TRMPBFCT 36

New Advantage Corporation

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LT3593ES6#TRMPBF 1000
5002.52 $
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RS Components

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LT3593ES6#TRMPBF 916
2502.08 GBP
1262.31 GBP
262.55 GBP
62.79 GBP
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Available Distributors without stock: 1

element14 Asia-Pacific

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LT3593EDC#TRMPBF 0
14.89 SGD
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LT3593ES6#TRMPBF 0
2502.90 SGD
1003.17 SGD
254.69 SGD
15.24 SGD
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LT3593ES6#TRMPBF 0
2502.90 SGD
1003.17 SGD
254.69 SGD
15.24 SGD
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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT3593. Optional, compare LT3593 side-by-side with other LED driver via the comparison function.

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Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3593.

V-IN min. 2.7 V, V-OUT max. 38 V, current limit typ. 0.7 A, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744310055 0.5 14.0 20.0 3.70 7 x 6.9 x 3.3
744311068 0.7 17.0 20.0 3.10 7 x 6.9 x 4
744314047 0.5 18.0 20.0 1.35 7 x 6.9 x 5
744314076 0.8 15.5 15.0 2.25 7 x 6.9 x 5
744316047 0.5 15.0 16.0 2.75 5.5 x 5.3 x 4.3
744316068 0.7 12.8 13.5 4.00 5.5 x 5.3 x 4.3
744323068 0.7 14.0 21.0 4.79 10.6 x 10.6 x 3.1
7443340068 0.7 19.0 23.5 2.65 8.4 x 7.9 x 7.5
744373460068 0.7 11.0 25.0 4.80 7.3 x 6.6 x 3
744373490068 0.7 12.0 26.0 4.00 7.3 x 6.6 x 5
744373490082 0.8 11.3 25.0 4.60 7.3 x 6.6 x 5
744373770068 0.7 17.5 27.0 1.80 13.5 x 12.6 x 3.5
74477008 0.8 19.8 21.0 3.30 12 x 12 x 8
74477009 0.5 23.5 26.4 2.90 12 x 12 x 8
7447797050 0.5 13.2 23.0 4.30 10.2 x 10.2 x 4.5
7447798050 0.5 18.5 18.0 2.20 10.2 x 10.2 x 6.4
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