LT3466 LED Boost Driver overview

Description

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LT3466 is a 2 channel, 24.0 V, 0.03 A/string sync LED Boost Driver. It can drive a maximum of 10 LED (~3.5Vfwd) per string, features a adjustable 1000 kHz frequency and is available in 2 package option(s): DFN-10 TSSOP-16 .

Further characteristics are a feedback voltage of 0.200 V, a typical inductor size of 47.0 uH and a peak efficiency of 81 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 2.7 V
V-IN max. 24.0 V
V-OUT max. 39.5 V
Nr.of LED per string typ. 10
I-OUT/string? 0.03 A
current limit typ. 0.40 A
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable
Frequency min. 200 kHz
Frequency max. 2000 kHz
Softstart yes
Softstart adjustable no
Down-Mode no
Quiescent current max. 7500 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 47.0 uH
feedback voltage 0.200 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 81 %
Component count min. 8
DC dimming yes
PWM dimming yes
PWM frequency min. 1.00 kHz
PWM frequency max. 10.0 kHz
digital dimming no
digital interface no
LED flash no
TxMask no
Nr.of current sources 2
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP TSSOP-16
DIP

LT3466 Datasheet

Link to the most up-to-date LT3466 datasheet and the product page for EVM, tools and support information.

LT3466

LT3466 inventory, samples and price

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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT3466. Optional, compare LT3466 side-by-side with other LED driver via the comparison function.

Variation Compare Product Manufacturer Package
0% LT3466-1 LT3466-1 product overviewLT3466-1 product overview Linear Technology DFN-10, TSSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3466.

V-IN min. 2.7 V, V-OUT max. 39.5 V, current limit typ. 0.4 A, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744040630082 0.8 6.0 9.5 10.00 6 x 6 x 2.8
74404063012 1.2 6.2 8.5 11.00 6 x 6 x 2.8
74404084010 1.0 6.3 13.5 8.00 8 x 8 x 4.2
744065001 1.0 8.0 9.5 4.90 10 x 10 x 3.1
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744310095 1.0 11.0 13.0 6.20 7 x 6.9 x 3.3
744310115 1.2 8.5 13.0 8.60 7 x 6.9 x 3.3
744314076 0.8 15.5 15.0 2.25 7 x 6.9 x 5
744314110 1.1 15.0 13.0 3.15 7 x 6.9 x 5
744316100 1.0 11.5 11.5 4.75 5.5 x 5.3 x 4.3
744323120 1.2 12.0 15.0 6.60 10.6 x 10.6 x 3.1
74437336010 1.0 7.5 11.0 13.00 5.7 x 5.2 x 3
74437336012 1.2 5.9 11.0 14.00 5.7 x 5.2 x 3
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
7447471013 1.3 8.5 14.0 6.00 10.5 x 10.5 x 11.5
7447715910 1.0 8.5 13.9 5.50 12 x 12 x 4.5
744772010 1.0 7.5 10.0 4.70 7.8 x 7.8 x 10
744777001 1.0 6.8 10.2 8.40 7.3 x 7.3 x 4.5
7447797110 1.1 11.2 16.0 5.90 10.2 x 10.2 x 4.5
7447798110 1.1 16.5 16.0 3.00 10.2 x 10.2 x 6.4
784775012 1.2 6.2 8.0 5.00 7 x 7.8 x 5.5
784776012 1.2 7.4 11.0 4.00 9 x 10 x 5.9
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