LTC3827 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3827 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 650 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3827 is available in 1 package option(s): QFN-32 .

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. 10.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 650 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min. 140 kHz
ext.clock Frequency max. 650 kHz
Softstart
Softstart adjustable
Tracking yes
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 multi
Nr. of Phases 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

LTC3827 Datasheet

Link to the most up-to-date LTC3827 datasheet and the product page for EVM, tools and support information.

LTC3827

LTC3827 inventory, samples and price

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Available Distributors with stock: 6

ARROW-NAC (3)

ProductStockPriceBuy
LTC3827IG-1#PBF273
18.64 USD
1007.12 USD
Buy Now
LTC3827EG-1#PBF28
17.14 USD
1005.88 USD
Buy Now
LTC3827EUH#PBF73
17.29 USD
1006.00 USD
Buy Now

Chip-One-Stop (5)

ProductStockPriceBuy
LTC3827EG-1#PBF28
110.80 USD
59.17 USD
109.07 USD
258.65 USD
Buy Now
LTC3827EUH#PBF73
17.21 USD
107.06 USD
256.74 USD
506.16 USD
Buy Now
LTC3827EUH#PBF73
17.21 USD
107.06 USD
256.74 USD
506.16 USD
Buy Now
LTC3827IG-1#PBF273
113.10 USD
511.10 USD
1010.90 USD
2510.40 USD
5010.20 USD
1009.69 USD
Buy Now
LTC3827IG-1#PBF273
113.10 USD
511.10 USD
1010.90 USD
2510.40 USD
5010.20 USD
1009.69 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
LTC3827EG-1#PBF117
110.30 USD
257.14 USD
1005.88 USD
Buy Now
LTC3827IG-1#PBF158
111.81 USD
258.64 USD
1007.12 USD
Buy Now
LTC3827EUH#PBF55
110.55 USD
257.29 USD
1006.00 USD
Buy Now
LTC3827EG-1#TRPBF0
20005.98 USD
Buy Now
LTC3827EUH#TRPBF0
25006.10 USD
Buy Now
LTC3827IG-1#TRPBF0
20007.22 USD
Buy Now
LTC3827IUH#PBF0
1467.47 USD
Buy Now
LTC3827IUH#TRPBF0
25007.57 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LTC3827EG-1#PBF28
116.46 USD
2511.41 USD
1009.40 USD
Buy Now
LTC3827EUH#PBF10
116.86 USD
2511.65 USD
1009.59 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LTC3827EG-1#PBF29Buy Now
LTC3827EUH#PBF10Buy Now

TME (1)

ProductStockPriceBuy
LTC3827IG-1#PBF107Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3827 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3827. Or, compare LTC3827 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3827-1 LTC3827-1 product overviewLTC3827-1 product overview Linear Technology SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3827.

V-IN max. 36 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 650 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
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744306020 0.2 26.0 36.0 0.30 10.5 x 10.3 x 5.5
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
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
7443081018 0.2 38.0 60.0 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
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
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Last Tweets
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