LTC3418 Buck Converter overview

Description

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Category
Sub-Category

LTC3418 is a 5.50 V sync Buck Converter from with 8.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.80 V to 5.50 V output voltage.

It requires are a typical inductor size of 0.20 µH, a typical external component count of 11 and achieves a peak efficiency of 95 %. Further LTC3418 characteristics are a adjustable 1000 kHz switching frequency and 1 available package option(s): QFN-38 .

For the LTC3418 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 2.25 V
V-IN max. 5.50 V
I-OUT? 8.00 A
V-OUT min. 0.80 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 300 kHz
Frequency adj./ ext.clock max 4000 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. 450 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 0.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-38
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3418 Datasheet

Link to the most up-to-date LTC3418 datasheet and the product page for EVM, tools and support information.

LTC3418

LTC3418 Sample stock and distributor price breaks

LTC3418 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

ARROW-NAC (1)

ProductStockPriceBuy
LTC3418EUHF#PBF2935
18.19 USD
1006.74 USD
Buy Now

Chip-One-Stop (2)

ProductStockPriceBuy
LTC3418EUHF#PBF97
18.32 USD
106.89 USD
506.65 USD
Buy Now
LTC3418EUHF#PBF8108
113.20 USD
511.10 USD
1011.00 USD
2510.50 USD
5010.30 USD
1009.77 USD
Buy Now

DIGI-KEY (1)

ProductStockPriceBuy
LTC3418EUHF#PBF1193
112.24 USD
258.19 USD
1006.74 USD
Buy Now
LTC3418EUHF#TRPBF0
25006.84 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3418EUHF#PBF151
119.55 USD
2513.09 USD
10010.77 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3418EUHF#PBF151Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC3418EUHF#PBF54Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3418EUHF#PBF0
112.14 USD
258.09 USD
1006.74 USD
Buy Now
LTC3418EUHF#TRPBF0
111.88 USD
25008.52 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3418 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3418. Optional, compare LTC3418 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3613 LTC3613 product overviewLTC3613 product overview Linear Technology QFN-56
0% MP8606 MP8606 product overviewMP8606 product overview MPS QFN-18
0% TPS54020 TPS54020 product overviewTPS54020 product overview Texas Instruments VQFN-15
25% ISL8016 ISL8016 product overviewISL8016 product overview Intersil QFN-20
25% LTC3616 LTC3616 product overviewLTC3616 product overview Linear Technology QFN-24
50% LTC3614 LTC3614 product overviewLTC3614 product overview Linear Technology QFN-24

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3418.

V-IN max. 5.5 V, I-OUT 8 A, V-OUT min. 0.8 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744304022 0.2 26.0 23.0 0.17 11.5 x 11.8 x 4
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744373240022 0.2 9.5 17.0 6.60 4.45 x 4.06 x 2
744373240033 0.3 8.0 16.5 7.80 4.45 x 4.06 x 2
744373340033 0.3 8.2 24.0 6.30 5.7 x 5.2 x 2
744373360033 0.3 9.6 22.0 4.30 5.7 x 5.2 x 3
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
7447798022 0.2 19.0 20.0 1.60 10.2 x 10.2 x 6.4
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