LTC3839 Buck Controller overview

Description

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Category
Sub-Category

LTC3839 is a 1 channel, 12 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 LTC3839 is available in 1 package option(s): QFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
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 12
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

LTC3839 Datasheet

Link to the most up-to-date LTC3839 datasheet and the product page for EVM, tools and support information.

LTC3839

LTC3839 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3839 stock available

Available Distributors with stock: 3

Digi-Key

ProductStockPriceBuy
LTC3839EUH#PBF 1949
1003.74 €
254.52 €
16.80 €
Buy Now
DC1632A 2
1111.18 €
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LTC3839IUH#PBF 0
1004.21 €
255.09 €
17.68 €
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LTC3839EUH#TRPBF 0
25003.56 €
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LTC3839IUH#TRPBF 0
25004.01 €
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Verical

ProductStockPriceBuy
LTC3839EUH#PBF 66
504.40 $
254.53 $
34.67 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3839EUH#PBF 120
17.69 $
255.10 $
1004.22 $
2504.01 $
5003.92 $
10003.77 $
Buy Now

Available Distributors without stock: 3

Arrow Electronics

ProductStockPriceBuy
LTC3839EUH#PBF 0
10003.58 $
5003.72 $
2503.81 $
1463.86 $
Buy Now
LTC3839IUH#TRPBF 0
25004.46 $
Buy Now
LTC3839IUH#PBF 0
5004.21 $
2504.31 $
1464.36 $
Buy Now
LTC3839EUH#TRPBF 0
25003.96 $
Buy Now

Richardson RFPD

ProductStockPriceBuy
LTC3839IUH#PBF 0
1464.83 $
5004.70 $
10004.58 $
50004.41 $
Buy Now
LTC3839EUH#TRPBF 0
25004.13 $
50003.98 $
Buy Now
LTC3839EUH#PBF 0
1464.27 $
5004.16 $
10004.05 $
50003.90 $
Buy Now
LTC3839IUH#TRPBF 0
25004.66 $
50004.48 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3839EUH#PBF 0
252.32 GBP
12.84 GBP
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3839. Or, compare LTC3839 side-by-side with other Buck Controller via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3839.

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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