LTC3834 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3834 is a 1 channel, 4 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 LTC3834 is available in 2 package option(s): DFN-20 TSSOP-20 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
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. 5.00 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 4
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 2
CSP
SOT
MSOP
QFN/DFN DFN-20
SO/SOIC
SOP TSSOP-20
DIP

LTC3834 Datasheet

Link to the most up-to-date LTC3834 datasheet and the product page for EVM, tools and support information.

LTC3834

LTC3834 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3834 stock available

Available Distributors with stock: 4

Arrow Electronics

ProductStockPriceBuy
LTC3834EGN-1#PBF 200
1004.34 $
17.18 $
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LTC3834IGN-1#PBF 154
1005.32 $
16.26 $
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LTC3834IUFD#PBF 143
1005.54 $
16.51 $
Buy Now

Digi-Key

ProductStockPriceBuy
LTC3834EDHC-1#PBF 1983
1004.05 €
254.66 €
16.55 €
Buy Now
LTC3834EGN-1#PBF 130
1004.05 €
254.66 €
16.55 €
Buy Now
LTC3834EFE#PBF 116
1004.26 €
254.90 €
16.88 €
Buy Now
LTC3834EUFD#PBF 3
1004.26 €
254.90 €
16.88 €
Buy Now
LTC3834IFE#PBF 0
1005.01 €
255.76 €
18.11 €
Buy Now
LTC3834EDHC-1#TRPBF 0
25004.10 €
Buy Now
LTC3834EGN-1#TRPBF 0
25004.10 €
Buy Now
LTC3834EFE#TRPBF 0
25004.30 €
Buy Now
LTC3834EUFD#TRPBF 0
25004.30 €
Buy Now
LTC3834IGN-1#TRPBF 0
25004.86 €
Buy Now
LTC3834IFE#TRPBF 0
25005.05 €
Buy Now
LTC3834IDHC-1#PBF 0
1465.54 €
Buy Now
LTC3834IDHC-1#TRPBF 0
25005.58 €
Buy Now
LTC3834IUFD#PBF 0
1465.76 €
Buy Now
LTC3834IUFD#TRPBF 0
25005.80 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3834EGN-1#PBF 200
15.27 $
Buy Now
LTC3834IGN-1#PBF 154
16.26 $
Buy Now
LTC3834IUFD#PBF 143
16.51 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3834EGN-1#PBF 200
17.57 $
106.94 $
505.38 $
2504.55 $
Buy Now
LTC3834EDHC-1#PBF 13
17.57 $
106.94 $
505.38 $
2504.55 $
Buy Now
LTC3834EFE#PBF 0
17.96 $
107.29 $
505.65 $
2504.79 $
Buy Now
LTC3834IDHC-1#PBF 0
18.99 $
108.24 $
506.39 $
2505.43 $
Buy Now
LTC3834IGN-1#PBF 0
18.99 $
108.24 $
506.39 $
2505.43 $
Buy Now
LTC3834IFE#PBF 0
19.37 $
108.59 $
506.64 $
2505.65 $
Buy Now
LTC3834IUFD#PBF 0
19.37 $
108.59 $
506.64 $
2505.65 $
Buy Now
LTC3834EUFD#PBF 0
1465.65 $
2924.79 $
Buy Now
LTC3834EDHC-1#TRPBF 0
25005.43 $
Buy Now
LTC3834EGN-1#TRPBF 0
25005.43 $
Buy Now
LTC3834EUFD#TRPBF 0
25005.72 $
Buy Now
LTC3834EFE#TRPBF 0
25005.72 $
Buy Now
LTC3834IGN-1#TRPBF 0
25006.63 $
Buy Now
LTC3834IDHC-1#TRPBF 0
25006.63 $
Buy Now
LTC3834IUFD#TRPBF 0
25006.90 $
Buy Now
show stock=0hide stock=0

Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3834EDHC-1#PBF 0
1464.98 $
5004.83 $
10004.71 $
50004.53 $
Buy Now
LTC3834EDHC-1#TRPBF 0
25004.77 $
50004.60 $
Buy Now
LTC3834EFE#PBF 0
1485.23 $
5005.09 $
10004.96 $
50004.76 $
Buy Now
LTC3834EFE#TRPBF 0
25005.02 $
50004.82 $
Buy Now
LTC3834EGN-1#PBF 0
1004.98 $
5004.83 $
10004.71 $
50004.53 $
Buy Now
LTC3834EGN-1#TRPBF 0
25004.77 $
50004.60 $
Buy Now
LTC3834EUFD#PBF 0
1465.23 $
5005.09 $
10004.96 $
50004.76 $
Buy Now
LTC3834EUFD#TRPBF 0
25005.02 $
50004.82 $
Buy Now
LTC3834IDHC-1#PBF 0
736.24 $
1005.90 $
5005.73 $
10005.58 $
50005.38 $
Buy Now
LTC3834IDHC-1#TRPBF 0
25005.66 $
50005.45 $
Buy Now
LTC3834IFE#PBF 0
746.50 $
1006.13 $
5005.97 $
10005.81 $
50005.59 $
Buy Now
LTC3834IFE#TRPBF 0
25005.90 $
50005.67 $
Buy Now
LTC3834IGN-1#PBF 0
1005.90 $
5005.73 $
10005.58 $
50005.38 $
Buy Now
LTC3834IGN-1#TRPBF 0
25005.66 $
50005.45 $
Buy Now
LTC3834IUFD#PBF 0
736.50 $
1006.13 $
5005.97 $
10005.81 $
50005.59 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3834. Or, compare LTC3834 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3856 LTC3856 product overviewLTC3856 product overview Linear Technology QFN-32, TSSOP-38

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3834.

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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