LTM8042-1 Buck (multi-topology) LED driver IC overview

Description

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Category
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LTM8042-1 is a 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 0.35 A. Assuming a typical 3.5V LED forward voltage LTM8042-1 can drive up to 7 LED in series.

The LED Buck (multi-topology) driver IC features adjustable 1000 kHz switching frequency, a feedback voltage of 0.00 V and requires a typical inductor size of 0.0 uH. This combination results in a peak efficiency of ~95 %. LTM8042-1 comes in 1 package option(s) - LGA-10 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 3.0 V
V-IN max. 30.0 V
Nr.of LEDs max. 7
I-OUT? 0.35 A
MOSFET intern
ext.clock sync. yes
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable adjustable
Frequency min. 250 kHz
Frequency max. 2000 kHz
Softstart yes
Softstart adjustable yes
Quiescent current max. -4200 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size 0.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.00 V
Automotive AEC-Q100 no
Topology Buck (multi-topology)
Peak Efficiency 95 %
Component count min. 4
DC Dimming yes
PWM Dimming yes
digital dimming no
Nr. of package options 1
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
Variation LGA-10
LED temperature compensation no

LTM8042-1 Datasheet

Link to the most up-to-date LTM8042-1 datasheet and the product page for EVM, tools and support information.

LTM8042-1

LTM8042-1 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTM8042 stock available

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTM8042IV#PBF 155
10011.55 $
2513.78 $
117.23 $
Buy Now
LTM8042IV-1#PBF 81
10011.55 $
2513.80 $
117.25 $
Buy Now
LTM8042EV#PBF 47
5009.87 $
25010.27 $
10010.64 $
2512.89 $
116.12 $
Buy Now
LTM8042EV#PBF 8
10010.80 $
2512.89 $
116.12 $
Buy Now
LTM8042IV#PBF 0
50010.56 $
25010.98 $
17011.38 $
Buy Now
LTM8042IV-1#PBF 0
25010.99 $
17011.38 $
Buy Now
LTM8042EV-1#PBF 0
10009.88 $
25010.28 $
17010.64 $
Buy Now
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Digi-Key

ProductStockPriceBuy
LTM8042EV#PBF 904
1009.96 €
2512.04 €
115.04 €
Buy Now
LTM8042IV#PBF 178
10010.66 €
2512.88 €
116.11 €
Buy Now
LTM8042EV-1#PBF 37
1009.96 €
2512.04 €
115.04 €
Buy Now
LTM8042IV-1#PBF 16
10010.66 €
2512.88 €
116.11 €
Buy Now
DC1511A-B 2
158.83 €
Buy Now
DC1511A-A 1
158.83 €
Buy Now

Verical

ProductStockPriceBuy
LTM8042IV#PBF 155
10011.55 $
2513.78 $
117.23 $
Buy Now
LTM8042IV-1#PBF 81
10011.55 $
2513.80 $
117.25 $
Buy Now
LTM8042EV#PBF 47
5009.87 $
25010.27 $
10010.64 $
2512.89 $
116.12 $
Buy Now
LTM8042EV#PBF 8
10010.80 $
2512.89 $
116.12 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTM8042EV#PBF 275
116.97 $
2513.57 $
10011.06 $
25010.81 $
50010.39 $
Buy Now
LTM8042IV#PBF 170
118.15 $
2514.51 $
10011.83 $
25011.56 $
50011.12 $
Buy Now

RS Components

ProductStockPriceBuy
LTM8042EV#PBF 342
112.87 GBP
512.22 GBP
1010.65 GBP
2510.39 GBP
1008.66 GBP
Buy Now
LTM8042EV#PBF 0
110.39 GBP
Buy Now
LTM8042EV#PBF 342
1010.65 GBP
2510.39 GBP
1008.66 GBP
Buy Now
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Farnell element14

ProductStockPriceBuy
LTM8042EV-1#PBF 23
1007.76 GBP
507.95 GBP
258.14 GBP
109.16 GBP
110.18 GBP
Buy Now
LTM8042IV#PBF 0
10010.00 GBP
2510.20 GBP
115.23 GBP
Buy Now
LTM8042EV#PBF 0
1009.47 GBP
259.66 GBP
114.46 GBP
Buy Now
LTM8042IV-1#PBF 0
13.01 GBP
Buy Now
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Available Distributors without stock: 2

Richardson RFPD

ProductStockPriceBuy
LTM8042EV-1#PBF 0
17011.79 $
50011.46 $
100011.17 $
500010.74 $
Buy Now
LTM8042IV#PBF 0
17012.61 $
50012.27 $
100011.94 $
500011.50 $
Buy Now
LTM8042EV#PBF 0
17011.79 $
50011.46 $
100011.17 $
500010.74 $
Buy Now
LTM8042IV-1#PBF 0
17012.61 $
50012.27 $
100011.94 $
500011.50 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTM8042IV#PBF 0
25017.66 SGD
10018.06 SGD
2522.16 SGD
127.71 SGD
Buy Now
LTM8042EV#PBF 0
25016.51 SGD
10016.89 SGD
2520.73 SGD
125.90 SGD
Buy Now
LTM8042IV-1#PBF 0
25017.66 SGD
10018.06 SGD
2522.16 SGD
127.71 SGD
Buy Now

Equivalents and alternatives

The following DC/DC LED Buck (multi-topology) driver are similar to LTM8042-1. Optional, compare LTM8042-1 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 LTM8042-1.

V-IN min. 3 V, V-IN max. 30 V, I-OUT 0.35 A, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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