LTC3852 Buck Controller overview

Description

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Category
Sub-Category

LTC3852 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 2.70 V to 38.00 V and output current goes up to 25.00 A.

The Controller features adjustable 750 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3852 is available in 1 package option(s): QFN-24 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.70 V
V-IN max. 38.00 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. 750 kHz
Frequency adj. adjustable
Frequency adj. min. 250 kHz
Frequency adj. max. 750 kHz
ext.clock sync. yes
ext.clock Frequency min. 250 kHz
ext.clock Frequency max. 750 kHz
Softstart
Softstart adjustable
Tracking no
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 single
Nr. of Phases 1
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-24
SO/SOIC
SOP
DIP

LTC3852 Datasheet

Link to the most up-to-date LTC3852 datasheet and the product page for EVM, tools and support information.

LTC3852

LTC3852 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3852 stock available

Available Distributors with stock: 3

Arrow Electronics

ProductStockPriceBuy
LTC3852IUDD#PBF 77
5002.71 $
2502.77 $
1002.79 $
253.52 $
15.30 $
Buy Now
LTC3852EUDD#TRPBF 0
25002.47 $
Buy Now
LTC3852IUDD#TRPBF 0
25002.89 $
Buy Now
LTC3852EUDD#PBF 0
5002.29 $
2922.34 $
Buy Now
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Digi-Key

ProductStockPriceBuy
LTC3852IUDD#PBF 295
1002.70 €
253.27 €
14.92 €
Buy Now
LTC3852EUDD#PBF 160
1002.28 €
252.76 €
14.16 €
Buy Now
LTC3852EUDD#TRPBF 0
25002.21 €
Buy Now
LTC3852IUDD#TRPBF 0
25002.59 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3852IUDD#PBF 77
5002.71 $
2502.77 $
1002.79 $
253.52 $
35.30 $
Buy Now

Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3852EUDD#PBF 0
2922.62 $
5002.55 $
10002.48 $
50002.39 $
Buy Now
LTC3852EUDD#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3852IUDD#PBF 0
2193.10 $
5003.02 $
10002.94 $
50002.83 $
Buy Now
LTC3852IUDD#TRPBF 0
25003.01 $
50002.90 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3852. Or, compare LTC3852 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3851 LTC3851 product overviewLTC3851 product overview Linear Technology MS-16, QFN-16, SSOP-16
0% LTC3851-1 LTC3851-1 product overviewLTC3851-1 product overview Linear Technology MS-16, QFN-16
0% LTC3851A LTC3851A product overviewLTC3851A product overview Linear Technology MS-16, QFN-16, SSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3852.

V-IN max. 38 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 750 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
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
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
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
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
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
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