LT3496 Buck (multi-topology) LED driver IC overview

Description

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LT3496 is a non-sync DC/DC Buck (multi-topology) LED driver IC from . Maximum input voltage is 30.0 V and it drives an output current of up to 0.50 A. Assuming a typical 3.5V LED forward voltage LT3496 can drive up to 10 LED in series.

The LED Buck (multi-topology) driver IC features adjustable 2100 kHz switching frequency, a feedback voltage of 0.10 V and requires a typical inductor size of 15.0 uH. This combination results in a peak efficiency of ~90 %. LT3496 comes in 2 package option(s) - QFN-28 TSSOP-28 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 3
V-IN min. 3.0 V
V-IN max. 30.0 V
Nr.of LEDs max. 10
I-OUT? 0.50 A
MOSFET intern
ext.clock sync. no
sync/non-sync non-sync
Frequency typ. 2100 kHz
Frequency adjustable adjustable
Frequency min. 330 kHz
Frequency max. 2100 kHz
Softstart yes
Softstart adjustable yes
Quiescent current max. 15000 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size 15.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.10 V
Automotive AEC-Q100 no
Topology Buck (multi-topology)
Peak Efficiency 90 %
Component count min. 21
DC Dimming yes
PWM Dimming yes
digital dimming no
Nr. of package options 2
SC70
SOT
MSOP
QFN/DFN QFN-28
SO/SOIC
SOP TSSOP-28
DIP
TO
Variation
LED temperature compensation no

LT3496 Datasheet

Link to the most up-to-date LT3496 datasheet and the product page for EVM, tools and support information.

LT3496

LT3496 inventory, samples and price

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Available Distributors with stock: 5

ARROW-NAC (5)

ProductStockPriceBuy
LT3496EFE#PBF290
15.22 USD
1004.43 USD
Buy Now
LT3496EFE#PBF193
15.22 USD
1004.43 USD
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LT3496EUFD#TRPBF12500
25004.17 USD
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LT3496EUFD#TRPBF2370
14.17 USD
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LT3496EUFD#PBF371
15.00 USD
1004.12 USD
Buy Now

Chip-One-Stop (4)

ProductStockPriceBuy
LT3496EFE#PBF350
16.28 USD
104.96 USD
254.73 USD
504.33 USD
1004.00 USD
2003.84 USD
Buy Now
LT3496EFE#PBF350
16.28 USD
104.96 USD
254.73 USD
504.33 USD
1004.00 USD
2003.84 USD
Buy Now
LT3496EUFD#PBF85
14.95 USD
104.88 USD
254.65 USD
504.25 USD
Buy Now
LT3496IUFD#PBF15
19.71 USD
58.30 USD
108.10 USD
Buy Now

DIGI-KEY (6)

ProductStockPriceBuy
LT3496EUFD#PBF604
17.04 USD
255.00 USD
1004.12 USD
Buy Now
LT3496EFE#PBF563
17.41 USD
255.22 USD
1004.43 USD
Buy Now
LT3496IUFD#PBF219
18.44 USD
256.00 USD
1004.94 USD
Buy Now
LT3496IUFD#TRPBF0
25005.04 USD
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LT3496IUFD#TRPBF1200
19.60 USD
258.57 USD
1006.05 USD
2505.54 USD
Buy Now
LT3496IUFD#TRPBF0
10.00 USD
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LT3496IFE#PBF98
18.74 USD
256.22 USD
1005.28 USD
Buy Now
LT3496HUFD#PBF45
18.94 USD
256.36 USD
1005.40 USD
Buy Now
LT3496EUFD#TRPBF0
25004.22 USD
Buy Now
LT3496EFE#TRPBF0
20004.53 USD
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LT3496IFE#TRPBF0
20005.38 USD
Buy Now
LT3496HUFD#TRPBF0
25005.50 USD
Buy Now

NEWARK (1)

ProductStockPriceBuy
LT3496EFE#PBF0
17.45 USD
255.10 USD
1004.43 USD
Buy Now
LT3496EFE#TRPBF0
17.31 USD
20005.22 USD
Buy Now
LT3496EUFD#PBF149
17.01 USD
254.78 USD
1004.12 USD
Buy Now
LT3496HUFD#PBF0
18.91 USD
256.21 USD
1005.40 USD
Buy Now
LT3496IFE#PBF0
18.72 USD
256.08 USD
1005.28 USD
Buy Now
LT3496IUFD#PBF0
18.45 USD
255.73 USD
1004.94 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LT3496EUFD#PBF76Buy Now

Available Distributors without stock: 1

Element14 (0)

ProductStockPriceBuy
LT3496IUFD#PBF0
113.49 USD
259.59 USD
1007.90 USD
Buy Now

Available Distributors with stock: 4

RS Components

ProductStockPriceBuy
LT3496EUFD#PBF 76
14.26 GBP
104.19 GBP
254.14 GBP
504.08 GBP
754.03 GBP
Buy Now

Conrad Electronic

ProductStockPriceBuy
LT3496IUFD#PBF 99999999
110.60 €
1010.07 €
Buy Now
LT3496EFE#PBF 99999999
19.30 €
108.84 €
Buy Now
LT3496HUFD#PBF 99999999
111.23 €
1010.66 €
Buy Now

Newark element14

ProductStockPriceBuy
LT3496IFE#PBF 0
18.72 $
256.08 $
1005.28 $
Buy Now
LT3496IUFD#PBF 0
18.45 $
255.73 $
1004.94 $
Buy Now
LT3496EFE#TRPBF 0
17.31 $
20005.22 $
Buy Now
LT3496EFE#PBF 0
17.45 $
255.10 $
1004.43 $
Buy Now
LT3496HUFD#PBF 0
18.91 $
256.21 $
1005.40 $
Buy Now
LT3496EUFD#PBF 149
17.01 $
254.78 $
1004.12 $
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LT3496EUFD#PBF 371
15.00 $
1004.12 $
Buy Now

Available Distributors without stock: 2

Farnell element14

ProductStockPriceBuy
LT3496IUFD#PBF 0
18.83 €
1004.66 €
18.83 €
255.77 €
1004.66 €
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3496IUFD#PBF 0
110.79 $
257.67 $
1006.32 $
Buy Now

Equivalents and alternatives

The following DC/DC LED Buck (multi-topology) driver are similar to LT3496. Optional, compare LT3496 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
25% LT3492 LT3492 product overviewLT3492 product overview Linear Technology QFN-28, TSSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3496.

V-IN min. 3 V, V-IN max. 30 V, I-OUT 0.5 A, Frequency typ. 2100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
744029006 6.8 0.8 0.7 250.00 2.8 x 2.8 x 1.5
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74404024068 6.8 0.9 1.0 300.00 2.5 x 2 x 1.2
74404032068 6.8 1.2 0.9 120.00 3 x 3 x 1.5
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
744042008 8.2 1.4 1.1 100.00 4.8 x 4.8 x 2
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
744043008 8.2 1.3 1.1 90.00 4.8 x 4.8 x 3
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
7440680082 8.2 1.4 1.1 142.00 8 x 8 x 1.2
74479889268 6.8 0.8 0.7 500.00 2.5 x 2 x 1.2
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