LT3497 LED Boost Driver overview

Description

Manufacturer
 
Category
Sub-Category

LT3497 is a 2 channel, 10.0 V, 0.02 A/string sync LED Boost Driver. It can drive a maximum of 6 LED (~3.5Vfwd) per string, features a fixed 2300 kHz frequency and is available in 1 package option(s): DFN-10 .

Further characteristics are a feedback voltage of 0.200 V, a typical inductor size of 15.0 uH and a peak efficiency of 78 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 2.5 V
V-IN max. 10.0 V
V-OUT max. 35.0 V
Nr.of LED per string typ. 6
I-OUT/string? 0.02 A
current limit typ. 0.40 A
sync/non-sync sync
Frequency typ. 2300 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Down-Mode no
Quiescent current max. 8500 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 15.0 uH
feedback voltage 0.200 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 78 %
Component count min. 7
DC dimming yes
PWM dimming yes
PWM frequency min. 0.10 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 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP
DIP

LT3497 Datasheet

Link to the most up-to-date LT3497 datasheet and the product page for EVM, tools and support information.

LT3497

LT3497 inventory, samples and price

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Available Distributors with stock: 4

Chip-One-Stop (1)

ProductStockPriceBuy
LT3497EDDB#TRMPBF266
13.71 USD
102.44 USD
502.27 USD
1002.20 USD
2002.18 USD
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DIGI-KEY (3)

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LT3497EDDB#TRMPBF1000
5002.00 USD
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LT3497EDDB#TRMPBF1515
13.94 USD
253.52 USD
1002.40 USD
2502.20 USD
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LT3497EDDB#TRMPBF1515
13.94 USD
253.52 USD
1002.40 USD
2502.20 USD
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LT3497EDDB#TRPBF0
25002.00 USD
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Element14 (2)

ProductStockPriceBuy
LT3497EDDB#TRMPBF633
16.30 USD
255.63 USD
1003.84 USD
2503.52 USD
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LT3497EDDB#TRMPBF633
16.30 USD
255.63 USD
1003.84 USD
2503.52 USD
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FARNELL-ELEMENT14 (2)

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LT3497EDDB#TRMPBF661Buy Now
LT3497EDDB#TRMPBF661Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT3497EDDB#PBF0
13.52 USD
252.36 USD
1002.00 USD
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LT3497EDDB#TRMPBF0
12.08 USD
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LT3497EDDB#TRPBF0
12.96 USD
25002.12 USD
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Available Distributors with stock: 4

Farnell element14

ProductStockPriceBuy
LT3497EDDB#TRMPBF 769
14.25 €
1001.89 €
14.25 €
253.38 €
1001.89 €
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LT3497EDDB#TRMPBF 769
14.25 €
1001.89 €
14.25 €
253.38 €
1001.89 €
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Conrad Electronic

ProductStockPriceBuy
LT3497EDDB#TRMPBF 99999999
14.41 €
254.19 €
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element14 Asia-Pacific

ProductStockPriceBuy
LT3497EDDB#TRMPBF 633
15.04 $
254.50 $
1003.07 $
2502.81 $
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LT3497EDDB#TRMPBF 633
15.04 $
254.50 $
1003.07 $
2502.81 $
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Chip1Stop

ProductStockPriceBuy
LT3497EDDB#TRMPBF 264
14.35 $
103.61 $
503.22 $
1002.31 $
2002.25 $
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Available Distributors without stock: 1

Newark element14

ProductStockPriceBuy
LT3497EDDB#TRMPBF 0
12.08 $
Buy Now
LT3497EDDB#TRPBF 0
12.96 $
25002.12 $
Buy Now
LT3497EDDB#PBF 0
13.52 $
252.36 $
1002.00 $
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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT3497. Optional, compare LT3497 side-by-side with other LED driver via the comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3497.

V-IN min. 2.5 V, V-OUT max. 35 V, current limit typ. 0.4 A, Frequency typ. 2300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000047 0.5 7.8 6.5 5.80 8 x 8 x 2
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
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