LTC3122 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3122 is a 15.00 V, 3.50 A switch current limit sync Boost Converter from . The input voltage from 1.80 V to 5.50 V  can be boosted into an output voltage ranging from 2.20 V to 15.00 V.

Features of the Boost Converter are adjustable 1000 kHz switching frequency, a typical inductor size of 3.3 µH and it offers a peak efficiency of  up to 95 %. The minimum external component count is 11 and LTC3122 is available in 2 package option(s): MSOP-12 DFN-12 .

For LTC3122 replacement search, select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 1.80 V
V-IN max. 5.50 V
Current-Limit typ.? 3.50 A
V-OUT min. 2.20 V
V-OUT max. 15.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 100 kHz
Frequency adj. max. 3000 kHz
extern clock sync. yes
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 100 kHz
Frequency sync. max. 1000 kHz
Down Mode no
Quiescent current max. 700 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 170 °C
Inductor size typ. 3.3 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 95 %
Component count min. 11
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP MSOP-12
QFN/DFN DFN-12
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3122 Datasheet

Link to the most up-to-date LTC3122 datasheet and the product page for EVM, tools and support information.

LTC3122

LTC3122 Price breaks and distributor sample stock

LTC3122 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3122 stock available

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LTC3122EDE#PBF 691
10002.61 $
5002.72 $
2502.78 $
1002.83 $
253.54 $
15.35 $
Buy Now
LTC3122IDE#PBF 319
10003.07 $
5003.19 $
2503.27 $
1003.32 $
254.16 $
16.27 $
Buy Now
LTC3122IMSE#TRPBF 0
25003.42 $
Buy Now
LTC3122IMSE#PBF 0
10003.07 $
5003.19 $
2503.27 $
1853.32 $
Buy Now
LTC3122EDE#TRPBF 0
25002.89 $
Buy Now
LTC3122EMSE#TRPBF 0
25002.89 $
Buy Now
LTC3122EMSE#PBF 0
10002.61 $
5002.72 $
2502.78 $
2222.83 $
Buy Now
LTC3122EMSE#PBF 0
10002.61 $
5002.72 $
2502.78 $
1002.83 $
253.54 $
15.35 $
Buy Now
LTC3122IDE#TRPBF 0
25003.42 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3122EMSE#PBF 4805
1002.80 €
253.38 €
15.10 €
Buy Now
LTC3122EDE#PBF 3188
1002.80 €
253.38 €
15.10 €
Buy Now
LTC3122EDE#TRPBF 1742
1002.96 €
253.58 €
15.39 €
Buy Now
LTC3122EDE#TRPBF 1742
1002.96 €
253.58 €
15.39 €
Buy Now
LTC3122IMSE#PBF 1023
1003.28 €
253.97 €
15.97 €
Buy Now
LTC3122IDE#PBF 523
1003.28 €
253.97 €
15.97 €
Buy Now
LTC3122EMSE#TRPBF 356
1002.96 €
253.58 €
15.39 €
Buy Now
LTC3122EMSE#TRPBF 356
1002.96 €
253.58 €
15.39 €
Buy Now
LTC3122HMSE#PBF 122
1003.58 €
254.33 €
16.53 €
Buy Now
DC1764A 3
1135.65 €
Buy Now
LTC3122EDE#TRPBF 0
25002.68 €
Buy Now
LTC3122EMSE#TRPBF 0
25002.68 €
Buy Now
LTC3122IDE#TRPBF 0
25003.12 €
Buy Now
LTC3122IMSE#TRPBF 0
25003.12 €
Buy Now
LTC3122HMSE#TRPBF 0
25003.40 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3122EDE#PBF 691
10002.61 $
5002.72 $
2502.78 $
1002.83 $
253.54 $
35.35 $
Buy Now
LTC3122IDE#PBF 319
10003.07 $
5003.19 $
2503.27 $
1003.32 $
254.16 $
26.27 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3122IDE#PBF 1384
16.60 $
254.38 $
1003.62 $
2503.44 $
5003.36 $
10003.23 $
Buy Now
LTC3122EDE#PBF 501
15.63 $
253.73 $
1003.08 $
2502.93 $
5002.86 $
10002.75 $
Buy Now
LTC3122IMSE#PBF 415
16.60 $
254.38 $
1003.62 $
2503.44 $
5003.36 $
10003.23 $
Buy Now
LTC3122EMSE#PBF 57
15.63 $
253.73 $
1003.08 $
2502.93 $
5002.86 $
10002.75 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LTC3122IDE#PBF 91
10003.40 $
5003.58 $
1003.73 $
253.89 $
14.19 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3122EDE#PBF 306 Buy Now

Quest Components

ProductStockPriceBuy
LTC3122EDE#PBF 24
92.86 $
43.25 $
13.90 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3122EDE#PBF 1192
14.54 GBP
54.42 GBP
104.94 GBP
254.46 GBP
504.29 GBP
Buy Now
LTC3122EDE#PBF 183
104.94 GBP
254.46 GBP
504.29 GBP
Buy Now
LTC3122EDE#PBF 0
13.01 GBP
4552.95 GBP
Buy Now
show stock=0hide stock=0

IChunt

ProductStockPriceBuy
LTC3122EDE#PBF 691
338.08 CNY
2525.23 CNY
10020.15 CNY
25019.82 CNY
50019.34 CNY
Buy Now
LTC3122EMSE#PBF 407
144.53 CNY
2529.50 CNY
10024.36 CNY
25023.18 CNY
50022.62 CNY
100021.75 CNY
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3122EDE#PBF 0
5004.34 SGD
2504.44 SGD
1004.68 SGD
255.66 SGD
18.52 SGD
Buy Now
LTC3122EMSE#PBF 0
5004.34 SGD
2504.44 SGD
1004.68 SGD
255.66 SGD
18.52 SGD
Buy Now
LTC3122HMSE#PBF 0
5005.57 SGD
2505.70 SGD
1005.99 SGD
257.24 SGD
110.91 SGD
Buy Now
LTC3122IDE#PBF 0
5005.09 SGD
2505.21 SGD
1005.48 SGD
256.64 SGD
19.97 SGD
Buy Now
LTC3122IMSE#PBF 0
5005.09 SGD
2505.21 SGD
1005.48 SGD
256.64 SGD
19.97 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3122HMSE#PBF 0
5002.99 GBP
2503.07 GBP
1003.15 GBP
503.22 GBP
253.30 GBP
104.92 GBP
15.42 GBP
Buy Now
LTC3122IDE#PBF 0
1002.71 GBP
253.05 GBP
15.03 GBP
Buy Now
LTC3122EMSE#PBF 0
5002.31 GBP
2502.32 GBP
1002.33 GBP
502.34 GBP
252.35 GBP
103.80 GBP
14.23 GBP
Buy Now
LTC3122EDE#PBF 0
5002.16 GBP
2502.25 GBP
1002.34 GBP
502.42 GBP
252.51 GBP
103.44 GBP
14.17 GBP
Buy Now
LTC3122IMSE#PBF 0
5002.71 GBP
2502.72 GBP
1002.73 GBP
502.74 GBP
252.75 GBP
104.46 GBP
14.93 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3122. Optional, compare LTC3122 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% LTC3458 LTC3458 product overviewLTC3458 product overview Linear Technology DFN-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3122.

V-IN min. 1.8 V, Current-Limit typ. 3.5 A, V-OUT max. 15 V, Frequency typ. 1000 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
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