LT1618 LED Boost Driver overview

Description

Manufacturer
 
Category
Sub-Category

LT1618 is a 1 channel, 18.0 V, 0.35 A/string non-sync LED Boost Driver. It can drive a maximum of 10 LED (~3.5Vfwd) per string, features a fixed 1400 kHz frequency and is available in 2 package option(s): MSOP-10 DFN-10 .

Further characteristics are a feedback voltage of 1.260 V, a typical inductor size of 10.0 uH and a peak efficiency of 85 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 1.6 V
V-IN max. 18.0 V
V-OUT max. 35.0 V
Nr.of LED per string typ. 10
I-OUT/string? 0.35 A
current limit typ. 2.10 A
sync/non-sync non-sync
Frequency typ. 1400 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Down-Mode no
Quiescent current max. 2700 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 uH
feedback voltage 1.260 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 85 %
Component count min. 9
DC dimming yes
PWM dimming no
PWM frequency min.
PWM frequency max.
digital dimming no
digital interface no
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN DFN-10
SO/SOIC
SOP
DIP

LT1618 Datasheet

Link to the most up-to-date LT1618 datasheet and the product page for EVM, tools and support information.

LT1618

LT1618 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LT1618 stock available

Available Distributors with stock: 11

Arrow Electronics

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LT1618EDD#TRPBF 2411
25002.21 $
5002.23 $
2502.28 $
1002.40 $
252.91 $
14.39 $
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LT1618EMS#TRPBF 603
25002.16 $
5002.18 $
2502.23 $
1002.35 $
252.84 $
14.29 $
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LT1618EDD#PBF 357
2421.97 $
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LT1618EDD#PBF 0
2422.15 $
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LT1618EDD#TRPBF 0
50002.05 $
25002.08 $
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LT1618EMS#TRPBF 0
50002.00 $
25002.03 $
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LT1618EMS#TRPBF 0
50002.00 $
25002.03 $
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LT1618EDD 0 Buy Now
LT1618EMS#PBF 0
10001.97 $
5002.04 $
2502.09 $
1002.20 $
252.66 $
14.02 $
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Digi-Key

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LT1618EMS#TRPBF 23565
1002.18 €
252.64 €
13.98 €
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LT1618EMS#TRPBF 23565
1002.18 €
252.64 €
13.98 €
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LT1618EMS#TRPBF 22500
25001.99 €
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LT1618EMS#PBF 9621
1002.05 €
252.47 €
13.73 €
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LT1618EDD#PBF 7697
1001.91 €
252.31 €
13.47 €
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LT1618EDD#TRPBF 5777
1002.24 €
252.71 €
14.08 €
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LT1618EDD#TRPBF 5777
1002.24 €
252.71 €
14.08 €
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LT1618EDD#TRPBF 5000
25002.02 €
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DC780B 3
188.94 €
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Verical

ProductStockPriceBuy
LT1618EDD#PBF 471
2502.29 $
1002.35 $
502.42 $
252.49 $
52.57 $
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Mouser Electronics

ProductStockPriceBuy
LT1618EMS#PBF 7750
14.23 $
252.80 $
1002.31 $
2502.20 $
5002.15 $
10002.07 $
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LT1618EDD#PBF 3037
13.59 $
252.38 $
1002.07 $
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LT1618EMS#TRPBF 902
14.52 $
252.99 $
1002.47 $
2502.35 $
5002.29 $
25002.14 $
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LT1618EDD#TRPBF 990
14.62 $
253.06 $
1002.53 $
2502.40 $
5002.35 $
25002.19 $
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Bristol Electronics

ProductStockPriceBuy
LT1618EMS#PBF 99

Quest Components

ProductStockPriceBuy
LT1618EMS#PBF 79
242.98 $
83.27 $
14.46 $
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RS Components

ProductStockPriceBuy
LT1618EMS#PBF 0
12.26 GBP
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LT1618EMS#PBF 332
103.63 GBP
253.37 GBP
503.15 GBP
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LT1618EMS#PBF 13
13.21 GBP
52.13 GBP
103.63 GBP
253.37 GBP
503.15 GBP
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LT1618EDD#PBF 117
13.40 GBP
53.23 GBP
102.26 GBP
253.37 GBP
503.15 GBP
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LT1618EDD#PBF 234
102.26 GBP
253.37 GBP
503.15 GBP
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LT1618EDD#PBF 0
12.06 GBP
3632.01 GBP
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Transfer Multisort Elektronik

ProductStockPriceBuy
LT1618EMS#PBF 20
252.79 $
103.11 $
33.54 $
13.81 $
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ComS.I.T.

ProductStockPriceBuy
LT1618EMSTRMPBF 479
LT1618EMSPBF 31

Schukat electronic

ProductStockPriceBuy
LT1618EMSPBF 250
13.70 €
102.75 €
502.30 €
1002.20 €
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Chip1Stop

ProductStockPriceBuy
LT1618EMS#PBF 260
502.29 $
102.69 $
14.22 $
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LT1618EDD#PBF 1163
9681.83 $
1002.04 $
502.50 $
102.65 $
13.76 $
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Available Distributors without stock: 5

Avnet Americas

ProductStockPriceBuy
HLT-1618-T-R 0
500036.35 $
300038.50 $
200040.91 $
100043.58 $
50046.70 $
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HLT-1618-G-H 0
500067.06 $
300071.02 $
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100080.39 $
50086.15 $
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HLT-1618-G-T 0
500064.73 $
300068.55 $
200072.85 $
100077.60 $
50083.15 $
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HLT-1618-G-R 0
500069.86 $
300073.98 $
200078.62 $
100083.75 $
50089.74 $
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HLT-1618-T-H 0
500035.37 $
300037.45 $
200039.80 $
100042.40 $
50045.43 $
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HLT-1618-T-T 0
500033.73 $
300035.72 $
200037.96 $
100040.44 $
50043.33 $
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Richardson RFPD

ProductStockPriceBuy
LT1618EMS#PBF 0
3502.36 $
5002.28 $
10002.22 $
50002.14 $
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LT1618EDD#PBF 0
2422.36 $
5002.28 $
10002.22 $
50002.14 $
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LT1618EMS#TRPBF 0
25002.31 $
50002.22 $
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LT1618EDD#TRPBF 0
25002.37 $
50002.27 $
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element14 Asia-Pacific

ProductStockPriceBuy
LT1618EMS#PBF 0
5003.29 SGD
2503.38 SGD
1003.55 SGD
254.29 SGD
16.46 SGD
Buy Now
LT1618EDD#PBF 0
5003.29 SGD
2503.38 SGD
1003.55 SGD
254.29 SGD
16.46 SGD
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Farnell element14

ProductStockPriceBuy
LT1618EMS#PBF 0
10001.47 GBP
5001.52 GBP
2501.57 GBP
1001.61 GBP
501.66 GBP
251.71 GBP
102.58 GBP
12.91 GBP
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LT1618EDD#PBF 0
1001.52 GBP
251.80 GBP
13.05 GBP
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Sager

ProductStockPriceBuy
HLT-1618-T-R 0
50039.95 $
Buy Now
HLT-1618-G-H 0
50073.71 $
Buy Now
HLT-1618-G-T 0
50071.14 $
Buy Now
HLT-1618-G-R 0
50076.78 $
Buy Now
HLT-1618-T-H 0
50038.86 $
Buy Now
HLT-1618-T-T 0
50037.07 $
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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT1618. Optional, compare LT1618 side-by-side with other LED driver via the comparison function.

Variation Compare Product Manufacturer Package
50% MP3202 MP3202 product overviewMP3202 product overview MPS QFN-8, TSOT23-6
50% MP3302 MP3302 product overviewMP3302 product overview MPS QFN-8, TSOT23-5
50% MP3305 MP3305 product overviewMP3305 product overview MPS QFN-8
50% SiP12506 SiP12506 product overviewSiP12506 product overview Vishay MLP33-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1618.

V-IN min. 1.6 V, V-OUT max. 35 V, current limit typ. 2.1 A, Frequency typ. 1400 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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