LTC3388-3 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC3388-3 is a 20.00 V sync Buck Converter from with 0.05 A output current. The maximum 20.00 V input voltage can be regulated down into a 2.80 V to 5.00 V output voltage.

It requires are a typical inductor size of 22.00 µH, a typical external component count of 5 and achieves a peak efficiency of 96 %. Further LTC3388-3 characteristics are a fixed 600 kHz switching frequency and 2 available package option(s): MSOP-10 DFN-10 .

For the LTC3388-3 replacement search, please 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. 2.70 V
V-IN max. 20.00 V
I-OUT? 0.05 A
V-OUT min. 2.80 V
V-OUT max. 5.00 V
V-OUT adjustable V
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 600 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 250 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 22.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 5
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN DFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3388-3 Datasheet

Link to the most up-to-date LTC3388-3 datasheet and the product page for EVM, tools and support information.

LTC3388-3

LTC3388-3 Sample stock and distributor price breaks

LTC3388-3 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 8

Chip One Stop (1)

ProductStockPriceBuy
LTC3388EMSE-3#PBF40
17.02 USD
104.62 USD
Buy Now

Digi-Key (7)

ProductStockPriceBuy
LTC3388EMSE-3#PBF2198
16.43 USD
254.30 USD
1003.65 USD
Buy Now
LTC3388EDD-3#PBF1675
16.43 USD
254.30 USD
1003.65 USD
Buy Now
LTC3388EDD-1#PBF590
16.43 USD
254.30 USD
1003.65 USD
Buy Now
LTC3388EMSE-1#PBF191
16.43 USD
254.30 USD
1003.65 USD
Buy Now
LTC3388IMSE-3#PBF659
17.56 USD
255.06 USD
1004.29 USD
Buy Now
LTC3388IMSE-1#PBF488
17.56 USD
255.06 USD
1004.29 USD
Buy Now
LTC3388IDD-3#PBF463
17.56 USD
255.06 USD
1004.29 USD
Buy Now
LTC3388EDD-1#TRPBF0
25003.75 USD
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LTC3388EDD-3#TRPBF0
25003.75 USD
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LTC3388EMSE-1#TRPBF0
25003.75 USD
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LTC3388EMSE-3#TRPBF0
25003.75 USD
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LTC3388IDD-1#PBF0
2424.29 USD
Buy Now
LTC3388IDD-1#TRPBF0
25004.40 USD
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LTC3388IDD-3#TRPBF0
25004.40 USD
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LTC3388IMSE-1#TRPBF0
25004.40 USD
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LTC3388IMSE-3#TRPBF0
25004.40 USD
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Element14 (1)

ProductStockPriceBuy
LTC3388EMSE-3#PBF261
110.03 USD
256.72 USD
1005.70 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LTC3388EDD-1#PBF0Buy Now
LTC3388EMSE-1#PBF0Buy Now
LTC3388EMSE-3#PBF322Buy Now

Mouser-Electronics (6)

ProductStockPriceBuy
LTC3388EMSE-3#PBF240
16.60 USD
106.06 USD
254.41 USD
1003.74 USD
Buy Now
LTC3388IDD-3#PBF242
17.76 USD
107.11 USD
255.19 USD
1004.40 USD
Buy Now
LTC3388EDD-1#PBF242
16.60 USD
106.06 USD
254.41 USD
1003.74 USD
Buy Now
LTC3388EDD-3#PBF88
16.60 USD
106.06 USD
254.41 USD
1003.74 USD
Buy Now
LTC3388IMSE-3#PBF90
17.76 USD
107.11 USD
255.19 USD
1004.40 USD
Buy Now
LTC3388EMSE-1#PBF230 On Order
16.60 USD
106.06 USD
254.41 USD
1003.74 USD
Buy Now
LTC3388EMSE-1#TRPBFNone
25003.85 USD
Buy Now
LTC3388EDD-3#TRPBFNone
25003.85 USD
Buy Now
LTC3388EMSE-3#TRPBFNone
25003.85 USD
Buy Now
LTC3388IDD-3#TRPBFNone
25004.51 USD
Buy Now
LTC3388EDD-1#TRPBFNone
25003.85 USD
Buy Now
LTC3388IDD-1#PBFNone
2424.40 USD
Buy Now
LTC3388IDD-1#TRPBFNone
25004.51 USD
Buy Now
LTC3388IMSE-1#TRPBFNone
25004.51 USD
Buy Now
LTC3388IMSE-1#PBFNone
2004.40 USD
Buy Now
LTC3388IMSE-3#TRPBFNone
25004.51 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC3388EDD-1#PBF121
11.40 USD
251.40 USD
1001.40 USD
Buy Now

RS Components (3)

ProductStockPriceBuy
LTC3388EDD-3#PBF242Buy Now
LTC3388EMSE-3#PBF24Buy Now
LTC3388EMSE-3#PBF48Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LTC3388EDD-3#PBF11Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LTC3388IDD-3 974
186.55 $
1034.21 $
5018.56 $
1009.84 $
5008.81 $
10008.56 $
25008.31 $
50008.20 $
100008.09 $
250007.77 $
Buy Now
LTC3388EMSE-3#PBF 627
14.22 $
1003.58 $
Buy Now
LTC3388EDD-1#PBF 432
14.22 $
1003.58 $
Buy Now
LTC3388EDD-3#PBF 156
14.22 $
1003.58 $
Buy Now
LTC3388IMSE-3#PBF 12
14.96 $
1004.21 $
Buy Now
LTC3388IDD-3 0
186.55 $
1034.21 $
5018.56 $
1009.84 $
5008.81 $
10008.56 $
25008.31 $
50008.20 $
100008.09 $
250007.77 $
Buy Now
LTC3388EMSE-3#PBF 0
14.22 $
1003.58 $
Buy Now
LTC3388IMSE-3#TRPBF 0
1004.31 $
Buy Now
LTC3388EDD-3#TRPBF 0
1003.68 $
Buy Now
LTC3388EMSE-1#PBF 0
14.22 $
1003.58 $
Buy Now
LTC3388EMSE-1#PBF 0
14.22 $
1003.58 $
Buy Now
LTC3388EMSE-1#TRPBF 0
1003.68 $
Buy Now
LTC3388EMSE-3#TRPBF 0
1003.68 $
Buy Now
LTC3388IDD-1#PBF 0
14.96 $
1004.21 $
Buy Now
LTC3388IDD-1#TRPBF 0
1004.31 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3388EMSE-3#PBF 2198
1002.94 €
253.47 €
15.18 €
Buy Now
LTC3388EDD-3#PBF 1675
1002.94 €
253.47 €
15.18 €
Buy Now
LTC3388IMSE-3#PBF 659
1003.46 €
254.08 €
16.09 €
Buy Now
LTC3388EDD-1#PBF 590
1002.94 €
253.47 €
15.18 €
Buy Now
LTC3388IMSE-1#PBF 488
1003.46 €
254.08 €
16.09 €
Buy Now
LTC3388IDD-3#PBF 463
1003.46 €
254.08 €
16.09 €
Buy Now
LTC3388EMSE-1#PBF 191
1002.94 €
253.47 €
15.18 €
Buy Now
LTC3388EDD-1#TRPBF 0
25003.03 €
Buy Now
LTC3388EDD-3#TRPBF 0
25003.03 €
Buy Now
LTC3388EMSE-1#TRPBF 0
25003.03 €
Buy Now
LTC3388EMSE-3#TRPBF 0
25003.03 €
Buy Now
LTC3388IDD-1#PBF 0
2423.46 €
Buy Now
LTC3388IDD-1#TRPBF 0
25003.54 €
Buy Now
LTC3388IDD-3#TRPBF 0
25003.54 €
Buy Now
LTC3388IMSE-1#TRPBF 0
25003.54 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC3388EDD-1#PBF 121
11.40 $
251.40 $
1001.40 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3388EMSE-3#PBF 240
16.44 $
105.91 $
254.30 $
1003.65 $
Buy Now
LTC3388IDD-3#PBF 242
17.57 $
106.94 $
255.06 $
1004.29 $
Buy Now
LTC3388EDD-1#PBF 242
16.44 $
105.91 $
254.30 $
1003.65 $
Buy Now
LTC3388EDD-3#PBF 88
16.44 $
105.91 $
254.30 $
1003.65 $
Buy Now
LTC3388IMSE-3#PBF 90
17.57 $
106.94 $
255.06 $
1004.29 $
Buy Now
LTC3388EMSE-1#PBF 0
16.44 $
105.91 $
254.30 $
1003.65 $
Buy Now
LTC3388EMSE-1#TRPBF 0
25003.75 $
Buy Now
LTC3388EDD-3#TRPBF 0
25003.75 $
Buy Now
LTC3388EMSE-3#TRPBF 0
25003.75 $
Buy Now
LTC3388IDD-3#TRPBF 0
25004.40 $
Buy Now
LTC3388EDD-1#TRPBF 0
25003.75 $
Buy Now
LTC3388IDD-1#PBF 0
2424.29 $
Buy Now
LTC3388IMSE-1#TRPBF 0
25004.40 $
Buy Now
LTC3388IDD-1#TRPBF 0
25004.40 $
Buy Now
LTC3388IMSE-1#PBF 0
2004.29 $
Buy Now
show stock=0hide stock=0

TME Electronic Components

ProductStockPriceBuy
LTC3388EDD-3#PBF 11
16.75 $
36.35 $
105.84 $
255.11 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3388EMSE-3#PBF 262
18.02 $
255.38 $
1004.56 $
Buy Now
LTC3388EMSE-1#PBF 0
18.02 $
255.38 $
1004.56 $
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
LTC3388EMSE-1#PBF 0
15.29 GBP
253.21 GBP
1002.92 GBP
Buy Now
LTC3388EMSE-3#PBF 322
15.19 GBP
104.70 GBP
253.15 GBP
503.08 GBP
1003.01 GBP
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LTC3388EMSE-3#PBF 40
104.62 $
17.02 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3388EMSE-3#PBF 48
104.97 GBP
254.77 GBP
504.70 GBP
754.65 GBP
Buy Now
LTC3388EMSE-3#PBF 24
15.23 GBP
104.97 GBP
254.77 GBP
504.70 GBP
754.65 GBP
Buy Now
LTC3388EDD-3#PBF 242
105.94 GBP
255.88 GBP
505.81 GBP
755.72 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3388-3. Optional, compare LTC3388-3 side-by-side with other Buck Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3388-3.

V-IN max. 20 V, I-OUT 0.05 A, V-OUT min. 2.8 V, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744032221 220.0 0.1 0.2 9,440.00 3.2 x 2.5 x 2.3
744042221 220.0 0.2 0.2 2,880.00 4.8 x 4.8 x 2
744043221 220.0 0.3 0.2 1,008.00 4.8 x 4.8 x 3
744052221 220.0 0.2 0.3 2,400.00 5.8 x 5.8 x 2
744053221 220.0 0.3 0.3 1,170.00 5.8 x 5.8 x 3
744062221 220.0 0.4 0.3 1,010.00 6.8 x 6.8 x 2.5
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