LTC3838-1 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3838-1 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.50 V to 38.00 V and output current goes up to 25.00 A.

The Controller features adjustable 2000 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3838-1 is available in 1 package option(s): QFN-38 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.50 V
V-IN max. 38.00 V
I-OUT? 25.00 A
V-OUT min. 0.60 V
V-OUT max. 5.50 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 2000 kHz
Frequency adj. adjustable
Frequency adj. min. 200 kHz
Frequency adj. max. 2000 kHz
ext.clock sync. yes
ext.clock Frequency min. 200 kHz
ext.clock Frequency max. 2000 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
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-38
SO/SOIC
SOP
DIP

LTC3838-1 Datasheet

Link to the most up-to-date LTC3838-1 datasheet and the product page for EVM, tools and support information.

LTC3838-1

LTC3838-1 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3838 stock available

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3838IUHF-1#PBF 166
2504.43 $
1004.52 $
255.47 $
18.25 $
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LTC3838IUHF-2#PBF 52
1004.43 $
15.13 $
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LTC3838IUHF-1#PBF 38
10004.04 $
5004.20 $
2504.30 $
1004.36 $
255.47 $
18.25 $
Buy Now
LTC3838IUHF-2#PBF 0
1564.36 $
Buy Now
LTC3838EUHF#PBF 0
1563.86 $
Buy Now
LTC3838IUHF#PBF 0
1564.36 $
Buy Now
LTC3838IUHF-2#TRPBF 0
25004.46 $
Buy Now
LTC3838EFE#PBF 0
25003.84 $
5003.99 $
2504.08 $
1504.13 $
Buy Now
LTC3838EFE#TRPBF 0
20004.23 $
Buy Now
LTC3838IUHF#TRPBF 0
25004.46 $
Buy Now
LTC3838IUHF-1#TRPBF 0
25004.46 $
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LTC3838EUHF-2#PBF 0
5003.73 $
2503.82 $
1563.86 $
Buy Now
LTC3838IFE#PBF 0
5004.56 $
2504.66 $
1504.71 $
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LTC3838IFE#TRPBF 0
20004.81 $
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LTC3838EUHF-2#TRPBF 0
25003.96 $
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Digi-Key

ProductStockPriceBuy
LTC3838EUHF-2#PBF 208
1003.80 €
254.60 €
16.92 €
Buy Now
LTC3838IUHF-1#PBF 46
1004.28 €
255.18 €
17.80 €
Buy Now
LTC3838IFE#PBF 45
1004.64 €
255.61 €
18.46 €
Buy Now
LTC3838EFE#PBF 13
1004.06 €
254.91 €
17.40 €
Buy Now
DC1626A-B 3
1135.65 €
Buy Now
LTC3838EUHF-1#PBF 3
1003.80 €
254.60 €
16.92 €
Buy Now
DC1626A-A 2
1135.65 €
Buy Now
DC1801A-B 2
1135.65 €
Buy Now
DC1997A-A 1
1135.65 €
Buy Now
LTC3838EUHF#TRPBF 0
25003.62 €
Buy Now
LTC3838EUHF-2#TRPBF 0
25003.62 €
Buy Now
LTC3838EUHF-1#TRPBF 0
25003.62 €
Buy Now
LTC3838EUHF#PBF 0
2083.82 €
Buy Now
LTC3838EFE#TRPBF 0
20003.87 €
Buy Now
LTC3838IUHF#TRPBF 0
25004.08 €
Buy Now
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Verical

ProductStockPriceBuy
LTC3838IUHF-1#PBF 166
2504.40 $
1004.50 $
255.50 $
28.20 $
Buy Now
LTC3838IUHF-2#PBF 52
1004.40 $
25.10 $
Buy Now
LTC3838IUHF-1#PBF 38
10004.00 $
5004.20 $
2504.30 $
1004.40 $
255.50 $
28.20 $
Buy Now
LTC3838EUHF#PBF 30
254.50 $
34.70 $
Buy Now
LTC3838IUHF#PBF 9
35.30 $
Buy Now

Newark element14

ProductStockPriceBuy
LTC3838IUHF-2#PBF 52
10.51 $
100.51 $
250.51 $
500.51 $
1000.51 $
2500.51 $
5000.51 $
Buy Now
LTC3838IUHF-1#PBF 52
10.51 $
100.51 $
250.51 $
500.51 $
1000.51 $
2500.51 $
5000.51 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3838IUHF-1#PBF 156
18.68 $
255.76 $
1004.76 $
2504.53 $
5004.42 $
10004.25 $
Buy Now
LTC3838EUHF-1#PBF 156
17.69 $
255.10 $
1004.22 $
2504.01 $
5003.92 $
10003.77 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LTC3838EFE#PBF 350
10004.25 $
5004.48 $
1004.66 $
254.86 $
15.23 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3838EFE#PBF 0
102.47 GBP
12.52 GBP
Buy Now
LTC3838EUHF-1#PBF 15
12.36 GBP
Buy Now
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IChunt

ProductStockPriceBuy
LTC3838EUHF-2#PBF 208
161.17 CNY
2540.62 CNY
10033.59 CNY
Buy Now
LTC3838EUHF-1#PBF 3
161.17 CNY
2540.62 CNY
10033.59 CNY
Buy Now
LTC3838IFE#PBF 45
174.75 CNY
2549.63 CNY
10041.04 CNY
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3838-1. Or, compare LTC3838-1 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3838 LTC3838 product overviewLTC3838 product overview Linear Technology QFN-38, TSSOP-38
0% LTC3838-2 LTC3838-2 product overviewLTC3838-2 product overview Linear Technology QFN-38
0% LTC3869 LTC3869 product overviewLTC3869 product overview Linear Technology QFN-28, SSOP-28

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3838-1.

V-IN max. 38 V, I-OUT 25 A, V-OUT min. 0.6 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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