LTC3727A-1 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3727A-1 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 36.00 V and output current goes up to 25.00 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 LTC3727A-1 is available in 1 package option(s): SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.00 V
V-IN max. 36.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 14.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 550 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min. 250 kHz
ext.clock Frequency max. 550 kHz
Softstart
Softstart adjustable
Tracking no
Power Good (PG) yes
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase multi
Nr. of Phases 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN
SO/SOIC
SOP SSOP-28
DIP

LTC3727A-1 Datasheet

Link to the most up-to-date LTC3727A-1 datasheet and the product page for EVM, tools and support information.

LTC3727A-1

LTC3727A-1 inventory, samples and price

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Available Distributors with stock: 3

ARROW-NAC (2)

ProductStockPriceBuy
LTC3727AEG-1#PBF1238
16.93 USD
1005.71 USD
Buy Now
LTC3727AIG-1#PBF17
18.43 USD
1007.16 USD
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Chip-One-Stop (3)

ProductStockPriceBuy
LTC3727AEG-1#PBF47
17.41 USD
106.17 USD
475.99 USD
Buy Now
LTC3727AEG-1#PBF1017
110.50 USD
59.01 USD
108.80 USD
508.30 USD
1007.82 USD
2007.64 USD
Buy Now
LTC3727AIG-1#PBF111
113.30 USD
511.20 USD
1011.10 USD
2510.50 USD
5010.30 USD
1009.80 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
LTC3727AEG-1#PBF341
110.30 USD
256.93 USD
1005.71 USD
Buy Now
LTC3727AIG-1#PBF63
111.81 USD
258.43 USD
1007.16 USD
Buy Now
DC457B2
1150.75 USD
Buy Now
LTC3727AEG-1#TRPBF0
20005.81 USD
Buy Now
LTC3727AIG-1#TRPBF0
20007.26 USD
Buy Now

Available Distributors without stock: 1

Element14 (0)

ProductStockPriceBuy
LTC3727AEG-1#PBF0
116.46 USD
2511.08 USD
1009.13 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3727A stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3727A-1. Or, compare LTC3727A-1 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3727 LTC3727 product overviewLTC3727 product overview Linear Technology SSOP-28
0% LTC3727-1 LTC3727-1 product overviewLTC3727-1 product overview Linear Technology QFN-32, SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3727A-1.

V-IN max. 36 V, I-OUT 25 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)
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
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
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
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
7443081018 0.2 38.0 60.0 0.29 9.4 x 6.2 x 8.1
7443081022 0.2 38.0 45.0 0.29 9.4 x 6.2 x 8.1
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
7443320022 0.2 27.0 60.0 1.10 12.1 x 11.4 x 10
744355019 0.2 29.0 60.0 0.50 13 x 12.8 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
744373770022 0.2 25.0 40.0 0.75 13.5 x 12.6 x 3.5
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