LTC1874 Buck Controller overview

Description

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LTC1874 is a 2 channel, 1 phase non-sync Buck Controller. The maximum input voltage ranges from 2.50 V to 9.80 V and output current goes up to 20.00 A.

The Controller features fixed 550 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC1874 is available in 1 package option(s): SSOP-16 .

Parameter and features overview

ParameterValueReplacement
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Nr. of Channel 2
V-IN min. 2.50 V
V-IN max. 9.80 V
I-OUT? 20.00 A
V-OUT min. 0.80 V
V-OUT max. 9.80 V
V-OUT adjustable
V-OUT programmable
sync/non-sync non-sync
Frequency typ. 550 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart
Softstart adjustable
Tracking no
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SSOP-16
DIP

LTC1874 Datasheet

Link to the most up-to-date LTC1874 datasheet and the product page for EVM, tools and support information.

LTC1874

LTC1874 inventory, samples and price

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Available Distributors with stock: 3

ARROW-NAC (1)

ProductStockPriceBuy
LTC1874EGN#PBF65
13.91 USD
1003.37 USD
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Chip-One-Stop (1)

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LTC1874EGN#PBF85
15.97 USD
105.02 USD
254.96 USD
504.74 USD
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DIGI-KEY (1)

ProductStockPriceBuy
LTC1874EGN#PBF154
16.78 USD
254.50 USD
1003.39 USD
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LTC1874EGN#TRPBF0
25003.47 USD
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Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC1874EGN#PBF0
16.91 USD
254.55 USD
1003.37 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC1874 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC1874. Or, compare LTC1874 side-by-side with other Buck Controller via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1874.

V-IN max. 9.8 V, I-OUT 20 A, V-OUT min. 0.8 V, Frequency typ. 550 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744303022 0.2 31.0 32.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744305022 0.2 28.0 42.0 0.16 13.5 x 13.3 x 5.2
744306020 0.2 26.0 36.0 0.30 10.5 x 10.3 x 5.5
744306025 0.3 26.0 32.0 0.30 10.5 x 10.3 x 5.5
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744307022 0.2 29.0 29.0 0.33 7.4 x 7.2 x 7.2
744308020 0.2 27.0 48.0 0.37 10.1 x 7 x 7
744308025 0.3 27.0 44.0 0.37 10.1 x 7 x 7
7443081022 0.2 38.0 45.0 0.29 9.4 x 6.2 x 8.1
744311022 0.2 21.0 32.0 1.10 7 x 6.9 x 4
744314024 0.2 20.0 28.0 1.00 7 x 6.9 x 5
744316022 0.2 20.0 25.0 1.25 5.5 x 5.3 x 4.3
744323020 0.2 22.0 50.0 0.82 10.6 x 10.6 x 3.1
744373560022 0.2 20.0 40.0 1.47 8.64 x 8.5 x 3
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
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