LTC3850-2 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3850-2 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 30.00 V and output current goes up to 25.00 A.

The Controller features fixed 500 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3850-2 is available in 1 package option(s): SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.00 V
V-IN max. 30.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 6.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 500 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. yes
ext.clock Frequency min. 250 kHz
ext.clock Frequency max. 780 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
SO/SOIC
SOP SSOP-28
DIP

LTC3850-2 Datasheet

Link to the most up-to-date LTC3850-2 datasheet and the product page for EVM, tools and support information.

LTC3850-2

LTC3850-2 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3850 stock available

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LTC3850IGN-1#TRPBF 1664
1003.20 $
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LTC3850EUFD#PBF 1100
2502.96 $
1003.02 $
253.66 $
15.52 $
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LTC3850IGN-1#PBF 170
10002.87 $
5002.98 $
2503.05 $
1003.10 $
253.89 $
15.85 $
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LTC3850EGN-1#PBF 55
10002.70 $
5002.81 $
2502.87 $
1002.91 $
253.66 $
15.52 $
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LTC3850EGN#PBF 15
10002.70 $
5002.81 $
2502.87 $
1003.02 $
253.66 $
15.52 $
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LTC3850IGN-1#TRPBF 0
25003.20 $
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LTC3850EUFD#PBF 0
10002.70 $
5002.81 $
2502.87 $
2192.91 $
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LTC3850IUFD#PBF 0
10002.87 $
5002.98 $
2503.05 $
2193.10 $
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LTC3850IUFD#PBF 0
2503.14 $
2193.21 $
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LTC3850IUF#TRPBF 0
25003.16 $
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LTC3850IUF#TRPBF 0
25003.16 $
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LTC3850IUF#PBF 0
10002.87 $
5002.98 $
2503.05 $
1823.10 $
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LTC3850IGN-2#PBF 0
10002.87 $
5002.98 $
2503.05 $
1963.10 $
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LTC3850EGN-1#TRPBF 0
25003.01 $
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LTC3850IGN-2#TRPBF 0
25003.20 $
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show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3850EUFD#TRPBF 2470
5002.85 €
2502.92 €
1003.07 €
254.11 €
15.60 €
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LTC3850EUFD#TRPBF 2470
5002.85 €
2502.92 €
1003.07 €
254.11 €
15.60 €
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LTC3850EGN#TRPBF 1975
5002.85 €
2502.92 €
1003.07 €
253.98 €
15.60 €
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LTC3850EGN#TRPBF 1975
5002.85 €
2502.92 €
1003.07 €
253.98 €
15.60 €
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LTC3850EUF#PBF 1509
5002.39 €
2502.46 €
1002.57 €
253.12 €
14.52 €
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LTC3850EGN#PBF 941
5002.70 €
2502.76 €
1002.90 €
253.51 €
15.29 €
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LTC3850EUF#TRPBF 765
5002.85 €
2502.92 €
1003.07 €
253.98 €
15.60 €
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LTC3850IUF#PBF 550
5002.86 €
2502.93 €
1003.08 €
253.73 €
15.61 €
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LTC3850IGN#PBF 378
5002.86 €
2502.93 €
1003.08 €
253.73 €
15.61 €
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LTC3850IGN-2#PBF 374
5002.86 €
2502.93 €
1003.08 €
253.73 €
15.61 €
Buy Now
LTC3850EUFD#PBF 289
5002.70 €
2502.76 €
1002.90 €
253.51 €
15.29 €
Buy Now
LTC3850EGN-1#PBF 159
5002.70 €
2502.76 €
1002.90 €
253.51 €
15.29 €
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LTC3850EUFD#TRPBF 0
25002.77 €
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LTC3850EGN#TRPBF 0
25002.77 €
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LTC3850EUF#TRPBF 0
25002.77 €
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show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3850EUFD#PBF 1100
2502.96 $
1003.02 $
253.66 $
25.52 $
Buy Now
LTC3850IGN-1#PBF 170
10002.87 $
5002.98 $
2503.05 $
1003.10 $
253.89 $
35.85 $
Buy Now
LTC3850EUF#PBF 68
10002.70 $
5002.81 $
2502.87 $
1003.02 $
253.66 $
35.52 $
Buy Now
LTC3850EGN-1#PBF 55
10002.70 $
5002.81 $
2502.87 $
1002.91 $
253.66 $
35.52 $
Buy Now
LTC3850IGN#PBF 38
10002.87 $
5002.98 $
2503.05 $
1003.10 $
253.89 $
35.85 $
Buy Now
LTC3850EGN#PBF 15
10002.70 $
5002.81 $
2502.87 $
1003.02 $
253.66 $
35.52 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3850EUFD#TRPBF 2479
16.14 $
254.07 $
1003.37 $
2503.20 $
5003.12 $
25002.92 $
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LTC3850EUF#TRPBF 2340
16.14 $
254.07 $
1003.37 $
2503.20 $
5003.12 $
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LTC3850EGN#PBF 488
15.81 $
253.85 $
1003.18 $
2503.02 $
5002.96 $
10002.84 $
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LTC3850EGN-1#PBF 237
15.81 $
253.85 $
1003.18 $
2503.02 $
5002.96 $
10002.84 $
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LTC3850EUFD#PBF 149
15.81 $
253.85 $
1003.18 $
2503.02 $
5002.96 $
10002.84 $
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LTC3850EUF#PBF 182
15.81 $
253.85 $
1003.18 $
2503.02 $
5002.96 $
10002.84 $
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LTC3850IUFD#PBF 290
16.16 $
254.09 $
1003.38 $
2503.21 $
5003.14 $
10003.02 $
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LTC3850IUF#PBF 282
16.16 $
254.09 $
1003.38 $
2503.21 $
5003.14 $
10003.02 $
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LTC3850IGN-1#PBF 311
16.16 $
254.09 $
1003.38 $
2503.21 $
5003.14 $
10003.02 $
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LTC3850IGN#PBF 197
16.16 $
254.09 $
1003.38 $
2503.21 $
5003.14 $
10003.02 $
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LTC3850IGN-2#PBF 196
16.16 $
254.09 $
1003.38 $
2503.21 $
5003.14 $
10003.02 $
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Bristol Electronics

ProductStockPriceBuy
LTC3850EUF#TRPBF 227 Buy Now
LTC3850EUF#TRPBF 30 Buy Now
LTC3850EUF#PBF 7 Buy Now

Quest Components

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LTC3850EGN#PBF 50
73.00 $
34.00 $
16.00 $
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LTC3850EGN#TRPBF 23
63.60 $
24.80 $
17.20 $
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LTC3850EUF#PBF 334
1842.52 $
642.73 $
16.30 $
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LTC3850EUF#PBF 137
613.89 $
174.20 $
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LTC3850EUF#TRPBF 731
1842.52 $
642.73 $
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LTC3850EUF#TRPBF 24
174.20 $
64.62 $
16.30 $
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LTC3850EUF#TRPBF 81
504.74 $
145.12 $
17.68 $
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RS Components

ProductStockPriceBuy
LTC3850EUFD#PBF 91
363.12 GBP
143.18 GBP
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LTC3850EGN#PBF 50
254.18 GBP
104.86 GBP
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TME Electronic Components

ProductStockPriceBuy
LTC3850EUFD#PBF 121
254.10 $
34.40 $
14.90 $
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ComS.I.T.

ProductStockPriceBuy
LTC3850IUFDTRPBF 2445

Farnell element14

ProductStockPriceBuy
LTC3850IUF#PBF 0
1002.31 GBP
252.49 GBP
14.60 GBP
Buy Now
LTC3850EUFD#PBF 0
12.12 GBP
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LTC3850IUFD#PBF 6
11.99 GBP
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LTC3850EGN#PBF 0
1002.30 GBP
252.65 GBP
14.20 GBP
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LTC3850EUF#PBF 0
1002.30 GBP
252.68 GBP
14.26 GBP
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show stock=0hide stock=0

Available Distributors without stock: 2

Richardson RFPD

ProductStockPriceBuy
LTC3850IGN-2#PBF 0
1963.43 $
5003.34 $
10003.24 $
50003.12 $
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LTC3850IGN#PBF 0
1963.43 $
5003.34 $
10003.24 $
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LTC3850IGN-1#PBF 0
1963.43 $
5003.34 $
10003.24 $
50003.12 $
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LTC3850IGN-1#TRPBF 0
25003.33 $
50003.20 $
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LTC3850IUF#PBF 0
1823.43 $
5003.34 $
10003.24 $
50003.12 $
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LTC3850IUFD#TRPBF 0
25003.33 $
50003.20 $
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LTC3850EUF#TRPBF 0
25003.14 $
50003.02 $
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LTC3850EUFD#PBF 0
2193.23 $
5003.14 $
10003.06 $
50002.95 $
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LTC3850EGN-1#TRPBF 0
25003.14 $
50003.02 $
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LTC3850IUFD#PBF 0
2193.43 $
5003.34 $
10003.24 $
50003.12 $
Buy Now
LTC3850EGN#PBF 0
2453.23 $
5003.14 $
10003.06 $
50002.95 $
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LTC3850EUFD#TRPBF 0
25003.14 $
50003.02 $
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LTC3850EUF#PBF 0
1823.23 $
5003.14 $
10003.06 $
50002.95 $
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LTC3850IGN#TRPBF 0
25003.33 $
50003.20 $
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LTC3850EGN#TRPBF 0
25003.14 $
50003.02 $
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element14 Asia-Pacific

ProductStockPriceBuy
LTC3850IUF#PBF 0
5004.71 SGD
2504.82 SGD
1005.07 SGD
256.13 SGD
19.23 SGD
Buy Now
LTC3850EUFD#PBF 0
5004.44 SGD
2504.54 SGD
1004.78 SGD
255.78 SGD
18.69 SGD
Buy Now
LTC3850EGN#PBF 0
5004.44 SGD
2504.54 SGD
1004.78 SGD
255.78 SGD
18.69 SGD
Buy Now
LTC3850EUF#PBF 0
5004.44 SGD
2504.54 SGD
1004.78 SGD
255.78 SGD
18.69 SGD
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Table with equivalents and alternatives

The following Buck Controller are similar to LTC3850-2. Or, compare LTC3850-2 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3855 LTC3855 product overviewLTC3855 product overview Linear Technology QFN-40, SSOP-38

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3850-2.

V-IN max. 30 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 500 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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