LTC1771 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC1771 is a 1 channel, 1 phase non-sync Buck Controller. The maximum input voltage ranges from 2.80 V to 20.00 V and output current goes up to 5.00 A.

The Controller features kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC1771 is available in 2 package option(s): MS-8 SO-8 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.80 V
V-IN max. 20.00 V
I-OUT? 5.00 A
V-OUT min. 1.23 V
V-OUT max. 18.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync non-sync
Frequency typ.
Frequency adj.
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
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 2
CSP
SOT
MSOP MS-8
QFN/DFN
SO/SOIC SO-8
SOP
DIP

LTC1771 Datasheet

Link to the most up-to-date LTC1771 datasheet and the product page for EVM, tools and support information.

LTC1771

LTC1771 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC1771 stock available

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LTC1771EMS8#TR 2500
50002.56 $
Buy Now
LTC1771EMS8#TRPBF 1880
5003.40 $
2503.48 $
1003.66 $
254.42 $
16.66 $
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LTC1771IS8 1250
100013.50 $
50015.32 $
10020.87 $
2530.60 $
141.74 $
Buy Now
LTC1771ES8#TRPBF 975
25003.22 $
5003.27 $
2503.35 $
1003.52 $
16.41 $
Buy Now
LTC1771IS8#TRPBF 390
1003.35 $
Buy Now
LTC1771ES8#PBF 50
10002.98 $
5003.11 $
2503.17 $
1003.34 $
254.05 $
16.10 $
Buy Now
LTC1771EMS8#TRPBF 0
25003.40 $
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LTC1771ES8#TRPBF 0
25003.17 $
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LTC1771IS8#TRPBF 0
25003.11 $
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LTC1771IS8#PBF 0
10003.09 $
5003.21 $
2503.29 $
2003.46 $
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LTC1771EMS8#PBF 0
5003.15 $
2503.22 $
2003.45 $
Buy Now
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Digi-Key

ProductStockPriceBuy
LTC1771IS8#PBF 3869
1003.26 €
253.95 €
15.95 €
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LTC1771ES8#TRPBF 2500
25003.00 €
Buy Now
LTC1771ES8#TRPBF 2500
1003.31 €
254.00 €
16.03 €
Buy Now
LTC1771ES8#TRPBF 2500
1003.31 €
254.00 €
16.03 €
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LTC1771EMS8#PBF 1787
2503.06 €
1003.27 €
253.69 €
15.29 €
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LTC1771EMS8#TRPBF 1329
1003.44 €
254.16 €
16.26 €
Buy Now
LTC1771EMS8#TRPBF 1329
1003.44 €
254.16 €
16.26 €
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LTC1771ES8#PBF 420
1003.15 €
253.81 €
15.74 €
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LTC1771EMS8#TRPBF 0
25003.12 €
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LTC1771IS8#TRPBF 0
25003.10 €
Buy Now
DC293A-A 0
166.97 €
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DC293B-B 0
166.97 €
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Verical

ProductStockPriceBuy
LTC1771EMS8#TR 2500
25002.56 $
Buy Now
LTC1771IS8 1200
100013.50 $
50015.32 $
10020.87 $
Buy Now
LTC1771ES8#PBF 42
10002.98 $
5003.11 $
2503.17 $
1003.34 $
254.05 $
26.10 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC1771IS8#PBF 899
16.65 $
254.41 $
1003.64 $
2503.46 $
5003.38 $
10003.25 $
Buy Now
LTC1771EMS8#PBF 434
15.88 $
254.10 $
1003.63 $
2503.39 $
5003.32 $
Buy Now
LTC1771ES8#PBF 377
16.42 $
254.26 $
1003.52 $
2503.34 $
5003.27 $
10003.14 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LTC1771ES8#PBF 46
10003.32 $
5003.49 $
1003.64 $
253.79 $
14.08 $
Buy Now
LTC1771IS8#PBF 90
10003.44 $
5003.62 $
1003.77 $
253.93 $
14.23 $
Buy Now

America II Electronics

ProductStockPriceBuy
LTC1771EMS8#TRPBF 2498 Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC1771EMS8 395 Buy Now
LTC1771EMS8#TRPBF 1000 Buy Now
LTC1771ES8#PBF 10 Buy Now

Quest Components

ProductStockPriceBuy
LTC1771ES8#PBF 111
622.86 $
73.30 $
16.60 $
Buy Now
LTC1771IS8#PBF 83
632.80 $
73.23 $
16.45 $
Buy Now

RS Components

ProductStockPriceBuy
LTC1771EMS8#PBF 0
503.55 GBP
2503.37 GBP
5003.28 GBP
Buy Now
LTC1771EMS8#PBF 9
104.39 GBP
504.01 GBP
1003.75 GBP
2003.48 GBP
Buy Now
LTC1771EMS8#PBF 9
15.35 GBP
104.39 GBP
504.01 GBP
1003.75 GBP
2003.48 GBP
Buy Now
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Transfer Multisort Elektronik

ProductStockPriceBuy
LTC1771EMS8#PBF 31
103.79 $
34.07 $
14.69 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC1771ES8TR 2495

Chip 1 Exchange

ProductStockPriceBuy
LTC1771IS8#PBF 13
LTC1771IS8 10

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LTC1771IS8#PBF 0
2003.70 $
5003.60 $
10003.50 $
50003.37 $
Buy Now
LTC1771IS8#TRPBF 0
25003.58 $
50003.45 $
Buy Now
LTC1771EMS8#PBF 0
2003.70 $
5003.60 $
10003.50 $
50003.37 $
Buy Now
LTC1771ES8#TRPBF 0
25003.45 $
50003.32 $
Buy Now
LTC1771EMS8#TRPBF 0
25003.58 $
50003.45 $
Buy Now
LTC1771ES8#PBF 0
2003.57 $
5003.48 $
10003.39 $
50003.25 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC1771EMS8#PBF 0
5004.98 SGD
2505.08 SGD
1005.44 SGD
256.15 SGD
18.81 SGD
Buy Now
LTC1771ES8#PBF 0
5004.91 SGD
2505.02 SGD
1005.28 SGD
256.39 SGD
19.62 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC1771IS8#PBF 0
12.33 GBP
Buy Now
LTC1771EMS8#PBF 0
1002.28 GBP
252.72 GBP
14.76 GBP
Buy Now
LTC1771ES8#PBF 0
5002.44 GBP
2502.50 GBP
1002.56 GBP
502.61 GBP
252.67 GBP
103.81 GBP
14.48 GBP
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC1771. Or, compare LTC1771 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 LTC1771.

V-IN max. 20 V, I-OUT 5 A, V-OUT min. 1.23 V, Frequency typ. kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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