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: 8

Chip One Stop (6)

ProductStockPriceBuy
LTC3122EDE#PBF90
15.58 USD
104.48 USD
504.43 USD
Buy Now
LTC3122EDE#PBF1033
13.58 USD
1003.35 USD
Buy Now
LTC3122EMSE#PBF411
15.44 USD
103.95 USD
373.32 USD
743.29 USD
1483.11 USD
2963.00 USD
Buy Now
LTC3122EMSE#PBF434
13.53 USD
1003.31 USD
Buy Now
LTC3122IDE#PBF5189
14.13 USD
1003.88 USD
Buy Now
LTC3122IMSE#PBF34
14.13 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LTC3122EMSE#PBF10Buy Now

Conrad UK (1)

ProductStockPriceBuy
LTC3122EMSE#PBF10Buy Now

Digi-Key (7)

ProductStockPriceBuy
LTC3122EMSE#PBF1822
15.07 USD
253.40 USD
1002.89 USD
Buy Now
LTC3122EDE#PBF1234
15.07 USD
253.40 USD
1002.89 USD
Buy Now
LTC3122IMSE#PBF404
15.95 USD
253.98 USD
1003.39 USD
Buy Now
LTC3122IDE#PBF140
15.95 USD
253.98 USD
1003.39 USD
Buy Now
LTC3122EMSE#TRPBF0
25002.99 USD
Buy Now
LTC3122EMSE#TRPBF2400
15.83 USD
255.20 USD
1003.59 USD
2503.29 USD
Buy Now
LTC3122EMSE#TRPBF2400
15.83 USD
255.20 USD
1003.59 USD
2503.29 USD
Buy Now
LTC3122HMSE#PBF45
16.48 USD
254.35 USD
1003.69 USD
Buy Now
LTC3122EDE#TRPBF0
25002.99 USD
Buy Now
LTC3122EDE#TRPBF0
15.83 USD
255.20 USD
1003.59 USD
2503.29 USD
Buy Now
LTC3122EDE#TRPBF0
15.83 USD
255.20 USD
1003.59 USD
2503.29 USD
Buy Now
LTC3122IDE#TRPBF0
25003.49 USD
Buy Now
LTC3122IMSE#TRPBF0
25003.49 USD
Buy Now
LTC3122HMSE#TRPBF0
25003.79 USD
Buy Now

Element14 (3)

ProductStockPriceBuy
LTC3122EDE#PBF241
17.91 USD
255.30 USD
1004.51 USD
Buy Now
LTC3122EMSE#PBF2
17.91 USD
255.30 USD
1004.51 USD
Buy Now
LTC3122HMSE#PBF175
110.11 USD
256.78 USD
1005.76 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LTC3122EDE#PBF279Buy Now
LTC3122EMSE#PBF0Buy Now
LTC3122HMSE#PBF176Buy Now
LTC3122IDE#PBF0Buy Now
LTC3122IMSE#PBF0Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC3122IMSE#PBF10
15.85 USD
253.92 USD
1003.32 USD
Buy Now

RS Components (1)

ProductStockPriceBuy
LTC3122EDE#PBF1613Buy Now

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LTC3122IDE#PBF 5189
13.90 $
1003.32 $
Buy Now
LTC3122EDE#PBF 1033
13.33 $
1002.83 $
Buy Now
LTC3122EMSE#PBF 434
13.33 $
1002.83 $
Buy Now
LTC3122IMSE#PBF 34
13.90 $
1003.32 $
Buy Now
LTC3122EMSE#PBF 0
13.33 $
1002.83 $
Buy Now
LTC3122IDE#PBF 0
13.90 $
1003.32 $
Buy Now
LTC3122IDE#TRPBF 0
1003.42 $
Buy Now
LTC3122IMSE#TRPBF 0
1003.42 $
Buy Now
LTC3122EDE#TRPBF 0
1002.93 $
Buy Now
LTC3122EMSE#TRPBF 0
1002.93 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3122EMSE#TRPBF 2400
2502.64 €
1002.88 €
254.18 €
14.69 €
Buy Now
LTC3122EMSE#TRPBF 2400
2502.64 €
1002.88 €
254.18 €
14.69 €
Buy Now
LTC3122EMSE#PBF 1822
1002.32 €
252.73 €
14.08 €
Buy Now
LTC3122EDE#PBF 1234
1002.32 €
252.73 €
14.08 €
Buy Now
LTC3122IMSE#PBF 404
1002.72 €
253.20 €
14.79 €
Buy Now
LTC3122IDE#PBF 140
1002.72 €
253.20 €
14.79 €
Buy Now
LTC3122HMSE#PBF 45
1002.97 €
253.50 €
15.21 €
Buy Now
LTC3122EMSE#TRPBF 0
25002.40 €
Buy Now
LTC3122EDE#TRPBF 0
25002.40 €
Buy Now
LTC3122EDE#TRPBF 0
2502.64 €
1002.88 €
254.18 €
14.69 €
Buy Now
LTC3122EDE#TRPBF 0
2502.64 €
1002.88 €
254.18 €
14.69 €
Buy Now
LTC3122IDE#TRPBF 0
25002.81 €
Buy Now
LTC3122IMSE#TRPBF 0
25002.81 €
Buy Now
LTC3122HMSE#TRPBF 0
25003.05 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3122IMSE#PBF 10
15.85 $
253.92 $
1003.32 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3122IMSE#PBF 219
15.96 $
105.46 $
253.98 $
1003.39 $
Buy Now
LTC3122EDE#PBF 71
15.08 $
104.66 $
253.40 $
1002.89 $
Buy Now
LTC3122IDE#PBF 91
15.96 $
105.46 $
253.98 $
1003.39 $
Buy Now
LTC3122EMSE#PBF 0
15.08 $
104.66 $
253.40 $
1002.89 $
Buy Now
LTC3122EDE#TRPBF 0
15.83 $
105.41 $
255.20 $
1003.59 $
2503.29 $
25002.99 $
Buy Now
LTC3122EMSE#TRPBF 0
15.83 $
105.41 $
255.20 $
1003.59 $
2503.29 $
25002.99 $
Buy Now
LTC3122HMSE#PBF 0
16.50 $
105.95 $
254.35 $
1003.69 $
Buy Now
LTC3122IDE#TRPBF 0
16.81 $
106.32 $
256.07 $
1004.19 $
2503.84 $
Buy Now
LTC3122IMSE#TRPBF 0
16.81 $
106.32 $
256.07 $
1004.19 $
2503.84 $
Buy Now
LTC3122HMSE#TRPBF 0
17.41 $
106.88 $
256.61 $
1004.55 $
2504.17 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3122EDE#PBF 24
112.28 $
42.60 $
13.90 $
Buy Now

Ameya Holding Limited

ProductStockPriceBuy
LTC3122EDE#PBF 30 Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3122EDE#PBF 241
16.33 $
254.24 $
1003.60 $
Buy Now
LTC3122HMSE#PBF 175
18.09 $
255.42 $
1004.60 $
Buy Now
LTC3122IMSE#PBF 0
17.43 $
254.97 $
1004.23 $
Buy Now
LTC3122EMSE#PBF 2
16.33 $
254.24 $
1003.60 $
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
LTC3122EDE#PBF 279
14.23 GBP
103.80 GBP
252.35 GBP
502.34 GBP
1002.33 GBP
Buy Now
LTC3122HMSE#PBF 176
15.33 GBP
252.92 GBP
1002.71 GBP
Buy Now
LTC3122EMSE#PBF 0
14.23 GBP
103.80 GBP
252.35 GBP
502.34 GBP
1002.33 GBP
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LTC3122IMSE#PBF 34
14.13 $
Buy Now
LTC3122EMSE#PBF 434
1003.31 $
13.53 $
Buy Now
LTC3122EDE#PBF 90
504.43 $
104.48 $
15.58 $
Buy Now
LTC3122EMSE#PBF 411
2963.00 $
743.29 $
15.44 $
Buy Now
LTC3122IDE#PBF 5189
1003.88 $
14.13 $
Buy Now
LTC3122EDE#PBF 1033
1003.35 $
13.58 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3122EDE#PBF 1613
103.61 GBP
203.46 GBP
303.31 GBP
503.12 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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