LTC3826 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3826 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 adjustable 530 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3826 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. 530 kHz
Frequency adj. adjustable
Frequency adj. min. 250 kHz
Frequency adj. max. 530 kHz
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

LTC3826 Datasheet

Link to the most up-to-date LTC3826 datasheet and the product page for EVM, tools and support information.

LTC3826

LTC3826 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3826 stock available

Available Distributors with stock: 4

Arrow Electronics

ProductStockPriceBuy
LTC3826IG-1#PBF 141
1006.64 $
17.82 $
Buy Now
LTC3826EUH#PBF 14
2506.79 $
1006.96 $
258.41 $
112.67 $
Buy Now
LTC3826IUH#PBF 5
1006.79 $
17.99 $
Buy Now
LTC3826EUH#PBF 0
5006.46 $
2506.61 $
1006.96 $
738.41 $
Buy Now
LTC3826IUH#PBF 0
1006.89 $
737.99 $
Buy Now
LTC3826IUH#PBF 0
1006.79 $
737.99 $
Buy Now
LTC3826IUH#TRPBF 0
25006.89 $
Buy Now
LTC3826EG-1#PBF 0
1006.33 $
947.69 $
Buy Now
LTC3826IG-1#TRPBF 0
20006.74 $
Buy Now
LTC3826EG-1#TRPBF 0
20006.43 $
Buy Now
LTC3826EUH#TRPBF 0
25006.57 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3826EUH#PBF 6
1006.47 €
257.83 €
111.79 €
Buy Now
LTC3826EG-1#TRPBF 0
20005.98 €
Buy Now
LTC3826IG-1#TRPBF 0
20006.07 €
Buy Now
LTC3826EUH#TRPBF 0
25006.10 €
Buy Now
LTC3826IUH#TRPBF 0
25006.21 €
Buy Now
LTC3826EG-1#PBF 0
1416.36 €
Buy Now
LTC3826IG-1#PBF 0
1416.47 €
Buy Now
LTC3826IUH#PBF 0
1466.61 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3826IG-1#PBF 141
1006.64 $
17.82 $
Buy Now
LTC3826EUH#PBF 14
2506.79 $
1006.96 $
258.41 $
112.67 $
Buy Now
LTC3826IUH#PBF 5
1006.79 $
27.99 $
Buy Now

Transfer Multisort Elektronik

ProductStockPriceBuy
LTC3826EG-1#PBF 42
5004.37 $
2504.85 $
255.55 $
36.06 $
16.42 $
Buy Now

Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3826IG-1#PBF 0
947.80 $
1007.36 $
5007.17 $
10006.98 $
50006.71 $
Buy Now
LTC3826IG-1#TRPBF 0
20007.05 $
50006.78 $
Buy Now
LTC3826EUH#TRPBF 0
25007.09 $
50006.81 $
Buy Now
LTC3826IUH#PBF 0
737.97 $
1007.53 $
5007.32 $
10007.13 $
50006.85 $
Buy Now
LTC3826EG-1#TRPBF 0
20006.94 $
50006.67 $
Buy Now
LTC3826EG-1#PBF 0
947.66 $
1007.24 $
5007.05 $
10006.85 $
50006.60 $
Buy Now
LTC3826IUH#TRPBF 0
25007.21 $
50006.94 $
Buy Now
LTC3826EUH#PBF 0
737.84 $
1007.41 $
5007.21 $
10007.02 $
50006.75 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3826. Or, compare LTC3826 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3773 LTC3773 product overviewLTC3773 product overview Linear Technology QFN-38, SSOP-36
0% LTC3826-1 LTC3826-1 product overviewLTC3826-1 product overview Linear Technology SSOP-28
0% LTC3890 LTC3890 product overviewLTC3890 product overview Linear Technology QFN-32
0% LTC3890-1 LTC3890-1 product overviewLTC3890-1 product overview Linear Technology SSOP-28
0% LTC3890-2 LTC3890-2 product overviewLTC3890-2 product overview Linear Technology QFN-32
0% LTC3890-3 LTC3890-3 product overviewLTC3890-3 product overview Linear Technology SSOP-28
25% LTC3802 LTC3802 product overviewLTC3802 product overview Linear Technology QFN-32, SSOP-28
25% LTC3858-2 LTC3858-2 product overviewLTC3858-2 product overview Linear Technology QFN-32

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3826.

V-IN max. 36 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 530 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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