LT3465 LED Boost Driver overview

Description

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LT3465 is a 1 channel, 16.0 V, 0.02 A/string sync LED Boost Driver. It can drive a maximum of 6 LED (~3.5Vfwd) per string, features a fixed 1200 kHz frequency and is available in 1 package option(s): TSOT23-6 .

Further characteristics are a feedback voltage of 0.200 V, a typical inductor size of 22.0 uH and a peak efficiency of 81 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.7 V
V-IN max. 16.0 V
V-OUT max. 30.0 V
Nr.of LED per string typ. 6
I-OUT/string? 0.02 A
current limit typ. 0.34 A
sync/non-sync sync
Frequency typ. 1200 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable no
Down-Mode no
Quiescent current max. 3300 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 22.0 uH
feedback voltage 0.200 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 81 %
Component count min. 4
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 1
Nr.of package options 1
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

LT3465 Datasheet

Link to the most up-to-date LT3465 datasheet and the product page for EVM, tools and support information.

LT3465

LT3465 inventory, samples and price

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Available Distributors with stock: 0

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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT3465. Optional, compare LT3465 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 LT3465.

V-IN min. 2.7 V, V-OUT max. 30 V, current limit typ. 0.34 A, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052010 1.0 3.9 5.5 19.80 5 x 5 x 2
74404054010 1.0 4.9 8.0 12.00 5 x 5 x 4
74404054015 1.5 4.3 6.9 15.00 5 x 5 x 4
74404063010 1.0 5.2 7.5 10.00 6 x 6 x 2.8
74404063015 1.5 4.6 6.6 13.00 6 x 6 x 2.8
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440650015 1.5 7.2 7.5 7.30 10 x 10 x 3.1
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74437321010 1.0 3.9 7.8 41.00 4.45 x 4.06 x 1.2
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
74438356015 1.5 5.8 7.8 16.00 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
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
74477790015 1.5 4.3 7.3 15.00 7.3 x 7.3 x 4.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
744787012 1.2 4.9 6.0 8.50 7.8 x 7 x 5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
784775012 1.2 6.2 8.0 5.00 7 x 7.8 x 5.5
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