LTC3890-2 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3890-2 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 60.00 V and output current goes up to 25.00 A.

The Controller features adjustable 900 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3890-2 is available in 1 package option(s): QFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.00 V
V-IN max. 60.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 24.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 900 kHz
Frequency adj. adjustable
Frequency adj. min. 50 kHz
Frequency adj. max. 900 kHz
ext.clock sync. yes
ext.clock Frequency min. 75 kHz
ext.clock Frequency max. 850 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 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

LTC3890-2 Datasheet

Link to the most up-to-date LTC3890-2 datasheet and the product page for EVM, tools and support information.

LTC3890-2

LTC3890-2 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 6

Chip One Stop (8)

ProductStockPriceBuy
LTC3890EGN-3#PBF49
110.10 USD
107.23 USD
257.11 USD
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LTC3890EGN-3#PBF49
110.10 USD
107.23 USD
257.11 USD
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LTC3890EUH#PBF28
18.75 USD
106.30 USD
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LTC3890EUH#PBF28
18.75 USD
106.30 USD
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LTC3890IGN-1#PBF49
19.88 USD
107.11 USD
496.75 USD
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LTC3890IGN-1#PBF49
19.88 USD
107.11 USD
496.75 USD
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LTC3890IGN-1#PBF49
111.30 USD
510.00 USD
108.10 USD
Buy Now
LTC3890IGN-1#PBF49
111.30 USD
510.00 USD
108.10 USD
Buy Now

Digi-Key (14)

ProductStockPriceBuy
LTC3890EGN-1#PBF281
19.74 USD
256.52 USD
1005.54 USD
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LTC3890EUH#PBF1327
19.99 USD
256.69 USD
1005.68 USD
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LTC3890IGN-1#PBF833
111.28 USD
257.55 USD
1006.42 USD
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LTC3890HUH#PBF292
112.17 USD
258.15 USD
1006.93 USD
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LTC3890EUH-2#PBF459
19.99 USD
256.69 USD
1005.68 USD
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LTC3890HGN-1#PBF573
111.92 USD
257.98 USD
1006.77 USD
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LTC3890HGN-3#PBF172
111.92 USD
257.98 USD
1006.77 USD
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LTC3890MPGN-3#PBF208
126.96 USD
2522.54 USD
10019.17 USD
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LTC3890MPUH#PBF146
127.47 USD
2522.96 USD
10019.52 USD
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LTC3890IUH-2#PBF176
111.53 USD
257.71 USD
1006.55 USD
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LTC3890EUH#TRPBF0
25005.78 USD
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LTC3890EUH#TRPBF1101
111.34 USD
2510.12 USD
1006.94 USD
2506.36 USD
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LTC3890EUH#TRPBF1101
111.34 USD
2510.12 USD
1006.94 USD
2506.36 USD
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DC2236A-B2
1204.00 USD
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LTC3890IUH#PBF0
111.53 USD
257.71 USD
1006.55 USD
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LTC3890EGN-3#PBF3
19.74 USD
256.52 USD
1005.54 USD
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LTC3890IGN-3#PBF0
111.28 USD
257.55 USD
1006.42 USD
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LTC3890EGN-1#TRPBF0
25005.64 USD
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LTC3890EGN-3#TRPBF0
25005.64 USD
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LTC3890EUH-2#TRPBF0
25005.78 USD
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LTC3890IGN-1#TRPBF0
25006.52 USD
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LTC3890IGN-3#TRPBF0
25006.52 USD
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LTC3890IUH#TRPBF0
25006.65 USD
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LTC3890IUH-2#TRPBF0
25006.65 USD
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LTC3890HGN-1#TRPBF0
25000.00 USD
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Farnell Element14 (6)

ProductStockPriceBuy
LTC3890EGN-3#PBF1Buy Now
LTC3890EGN-3#PBF1Buy Now
LTC3890HGN-3#PBF0Buy Now
LTC3890HGN-3#PBF0Buy Now
LTC3890IGN-3#PBF30Buy Now
LTC3890IGN-3#PBF30Buy Now
LTC3890MPGN-3#PBF23Buy Now
LTC3890MPGN-3#PBF23Buy Now

Mouser Electronics (4)

ProductStockPriceBuy
LTC3890IGN-1#PBF137
111.34 USD
1010.38 USD
257.58 USD
1006.44 USD
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LTC3890EGN-1#PBF78
19.79 USD
108.97 USD
256.54 USD
1005.56 USD
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LTC3890EUH#PBF584 On Order
110.04 USD
109.20 USD
256.71 USD
1005.70 USD
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LTC3890IUH#PBF292 On Order
111.59 USD
1010.62 USD
257.73 USD
1006.57 USD
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LTC3890EUH#TRPBFNone
111.39 USD
1010.56 USD
2510.15 USD
1006.96 USD
2506.38 USD
25005.79 USD
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LTC3890HGN-1#PBFNone
111.98 USD
1010.97 USD
258.00 USD
1006.79 USD
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LTC3890HGN-1#TRPBFNone
25006.89 USD
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LTC3890IUH#TRPBFNone
25006.67 USD
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LTC3890EGN-1#TRPBFNone
25005.65 USD
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LTC3890MPGN-1#PBFNone
4922.61 USD
14719.22 USD
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LTC3890HUH#PBFNone
1466.95 USD
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LTC3890MPUH#PBFNone
7323.03 USD
14619.58 USD
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LTC3890HUH#TRPBFNone
25007.06 USD
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LTC3890IGN-1#TRPBFNone
25006.54 USD
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LTC3890MPGN-1#TRPBFNone
250019.33 USD
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LTC3890MPGN-3#PBFNone
4922.61 USD
14719.22 USD
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LTC3890EUH-2#PBFNone
1465.70 USD
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LTC3890IUH-2#PBFNone
1466.57 USD
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LTC3890HGN-3#PBFNone
1476.79 USD
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LTC3890MPUH#TRPBFNone
250019.68 USD
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LTC3890EGN-3#PBFNone
1475.56 USD
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LTC3890HUH-2#PBFNone
1466.95 USD
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LTC3890MPUH-2#PBFNone
7323.03 USD
14619.58 USD
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LTC3890EGN-3#TRPBFNone
25005.65 USD
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LTC3890EUH-2#TRPBFNone
25005.79 USD
Buy Now
LTC3890IGN-3#TRPBFNone
25006.54 USD
Buy Now
LTC3890IUH-2#TRPBFNone
25006.67 USD
Buy Now
LTC3890HGN-3#TRPBFNone
25006.89 USD
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LTC3890HUH-2#TRPBFNone
25007.06 USD
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LTC3890MPGN-3#TRPBFNone
250019.33 USD
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LTC3890MPUH-2#TRPBFNone
250019.68 USD
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LTC3890IGN-3#PBFNone
111.34 USD
1010.38 USD
257.58 USD
1006.44 USD
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Newark Electronics (2)

ProductStockPriceBuy
LTC3890HGN-3#PBF0
12.75 USD
252.75 USD
1002.75 USD
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LTC3890HGN-3#PBF0
12.75 USD
252.75 USD
1002.75 USD
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LTC3890IGN-3#PBF25
15.95 USD
255.95 USD
1005.95 USD
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LTC3890IGN-3#PBF25
15.95 USD
255.95 USD
1005.95 USD
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RS Components (2)

ProductStockPriceBuy
LTC3890EUH#PBF94Buy Now
LTC3890EUH#PBF94Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3890MPGN-3#PBF 147
122.10 $
10018.79 $
Buy Now
LTC3890MPUH#PBF 65
122.51 $
10019.14 $
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LTC3890IGN-1#PBF 49
17.40 $
1006.29 $
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LTC3890IGN-3#PBF 49
17.40 $
1006.29 $
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LTC3890HGN-3#PBF 49
17.82 $
1006.64 $
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LTC3890EGN-3#PBF 49
16.39 $
1005.43 $
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LTC3890IGN-1#PBF 0
17.40 $
1006.29 $
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LTC3890IGN-3#PBF 0
17.40 $
1006.29 $
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LTC3890MPGN-3#PBF 0
122.10 $
10018.79 $
Buy Now
LTC3890HGN-3#PBF 0
17.82 $
1006.64 $
Buy Now
LTC3890MPGN-1#TRPBF 0
10018.89 $
Buy Now
LTC3890MPGN-1#PBF 0
122.10 $
10018.79 $
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LTC3890IGN-1#TRPBF 0
1006.39 $
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LTC3890EGN-3#PBF 0
16.39 $
1005.43 $
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LTC3890EGN-1#TRPBF 0
1005.53 $
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show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3890EUH#PBF 1327
1004.83 €
255.69 €
18.49 €
Buy Now
LTC3890EUH#TRPBF 1101
2505.41 €
1005.90 €
258.60 €
19.64 €
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LTC3890EUH#TRPBF 1101
2505.41 €
1005.90 €
258.60 €
19.64 €
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LTC3890IGN-1#PBF 833
1005.45 €
256.42 €
19.59 €
Buy Now
LTC3890HGN-1#PBF 573
1005.76 €
256.78 €
110.13 €
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LTC3890EUH-2#PBF 459
1004.83 €
255.69 €
18.49 €
Buy Now
LTC3890HUH#PBF 292
1005.89 €
256.93 €
110.34 €
Buy Now
LTC3890EGN-1#PBF 281
1004.71 €
255.54 €
18.28 €
Buy Now
LTC3890MPGN-3#PBF 208
10016.29 €
2519.16 €
122.92 €
Buy Now
LTC3890IUH-2#PBF 176
1005.57 €
256.55 €
19.80 €
Buy Now
LTC3890HGN-3#PBF 172
1005.76 €
256.78 €
110.13 €
Buy Now
LTC3890MPUH#PBF 146
10016.59 €
2519.52 €
123.35 €
Buy Now
DC2236A-B 2
1173.40 €
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LTC3890EUH#TRPBF 0
25004.92 €
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LTC3890IUH#PBF 0
1005.57 €
256.55 €
19.80 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3890IGN-3#PBF 25
15.95 $
255.95 $
1005.95 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3890IGN-1#PBF 137
111.30 $
1010.35 $
257.55 $
1006.42 $
Buy Now
LTC3890EGN-1#PBF 78
19.76 $
108.94 $
256.52 $
1005.54 $
Buy Now
LTC3890EUH#PBF 0
110.01 $
109.18 $
256.69 $
1005.68 $
Buy Now
LTC3890IUH#PBF 0
111.55 $
1010.59 $
257.71 $
1006.55 $
Buy Now
LTC3890EUH#TRPBF 0
111.35 $
1010.53 $
2510.12 $
1006.94 $
2506.36 $
25005.78 $
Buy Now
LTC3890HGN-1#PBF 0
111.94 $
1010.94 $
257.98 $
1006.77 $
Buy Now
LTC3890HGN-1#TRPBF 0
25006.87 $
Buy Now
LTC3890IUH#TRPBF 0
25006.65 $
Buy Now
LTC3890EGN-1#TRPBF 0
25005.64 $
Buy Now
LTC3890MPGN-1#PBF 0
4922.54 $
14719.17 $
Buy Now
LTC3890HUH#PBF 0
1466.93 $
Buy Now
LTC3890MPUH#PBF 0
7322.96 $
14619.52 $
Buy Now
LTC3890HUH#TRPBF 0
25007.03 $
Buy Now
LTC3890IGN-1#TRPBF 0
25006.52 $
Buy Now
LTC3890MPGN-1#TRPBF 0
250019.27 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3890EUH#PBF 21
46.71 $
28.94 $
113.41 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3890MPGN-3#PBF 23
111.89 GBP
Buy Now
LTC3890EGN-3#PBF 1
14.20 GBP
104.12 GBP
Buy Now
LTC3890IGN-3#PBF 30
14.49 GBP
254.13 GBP
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC3890EGN-3#PBF 49
257.11 $
107.23 $
110.10 $
Buy Now
LTC3890IGN-1#PBF 49
108.10 $
510.00 $
111.30 $
Buy Now
LTC3890EUH#PBF 63
505.83 $
106.30 $
18.75 $
Buy Now
LTC3890IGN-1#PBF 49
496.75 $
107.11 $
19.88 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3890EUH#PBF 94
157.56 GBP
377.35 GBP
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3890-2. Or, compare LTC3890-2 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3890 LTC3890 product overviewLTC3890 product overview Linear Technology QFN-32
0% LTC3890-1 LTC3890-1 product overviewLTC3890-1 product overview Linear Technology SSOP-28
0% LTC3890-3 LTC3890-3 product overviewLTC3890-3 product overview Linear Technology SSOP-28
50% LTC3858-2 LTC3858-2 product overviewLTC3858-2 product overview Linear Technology QFN-32

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3890-2.

V-IN max. 60 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 900 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
744307012 0.1 29.0 48.0 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
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
0Results
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0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
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