LT3990-5.0 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3990-5.0 is a 62.00 V sync Buck Converter from with 0.35 A output current. The maximum 62.00 V input voltage can be regulated down into a 5.00 V to 5.00 V output voltage.

It requires are a typical inductor size of 33.00 µH, a typical external component count of 5 and achieves a peak efficiency of 83 %. Further LT3990-5.0 characteristics are a adjustable 840 kHz switching frequency and 1 available package option(s): MSOP-16 .

For the LT3990-5.0 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. 4.00 V
V-IN max. 62.00 V
I-OUT? 0.35 A
V-OUT min. 5.00 V
V-OUT max. 5.00 V
V-OUT 5.000 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 840 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min. 200 kHz
Frequency adj./ ext.clock max 2200 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 4 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 33.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 83 %
Component count min. 5
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP MSOP-16
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LT3990-5.0 Datasheet

Link to the most up-to-date LT3990-5.0 datasheet and the product page for EVM, tools and support information.

LT3990-5.0

LT3990-5.0 Sample stock and distributor price breaks

LT3990-5.0 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 8

Chip One Stop (5)

ProductStockPriceBuy
LT3990EDD#PBF285
15.73 USD
104.16 USD
503.59 USD
1003.18 USD
2423.15 USD
Buy Now
LT3990EMSE-3.3#PBF37
16.95 USD
104.51 USD
373.77 USD
Buy Now
LT3990HMSE-5#PBF37
17.34 USD
104.71 USD
374.40 USD
Buy Now
LT3990HMSE#PBF37
17.09 USD
104.56 USD
374.25 USD
Buy Now
LT3990IMSE-5#PBF9
16.74 USD
Buy Now

Digi-Key (17)

ProductStockPriceBuy
LT3990EDD#PBF658
15.56 USD
253.71 USD
1003.16 USD
Buy Now
LT3990EMSE#PBF2188
15.66 USD
253.78 USD
1003.22 USD
Buy Now
LT3990EMSE-5#PBF1563
15.66 USD
253.78 USD
1003.22 USD
Buy Now
LT3990EMSE-3.3#PBF1093
15.66 USD
253.78 USD
1003.22 USD
Buy Now
LT3990IDD#PBF585
16.18 USD
254.12 USD
1003.51 USD
Buy Now
LT3990IMSE-5#PBF1660
16.30 USD
254.21 USD
1003.58 USD
Buy Now
LT3990HMSE-3.3#PBF1064
16.84 USD
254.58 USD
1003.89 USD
Buy Now
LT3990HMSE#PBF665
16.84 USD
254.58 USD
1003.89 USD
Buy Now
LT3990EMSE#TRPBF2500
25003.33 USD
Buy Now
LT3990EMSE#TRPBF3461
16.49 USD
255.79 USD
1003.99 USD
2503.66 USD
Buy Now
LT3990EMSE#TRPBF3461
16.49 USD
255.79 USD
1003.99 USD
2503.66 USD
Buy Now
LT3990IMSE-3.3#PBF512
16.30 USD
254.21 USD
1003.58 USD
Buy Now
LT3990HMSE-5#PBF1149
16.84 USD
254.58 USD
1003.89 USD
Buy Now
LT3990EDD#TRPBF0
25003.26 USD
Buy Now
LT3990EDD#TRPBF1820
16.37 USD
255.69 USD
1003.92 USD
2503.59 USD
Buy Now
LT3990EDD#TRPBF1820
16.37 USD
255.69 USD
1003.92 USD
2503.59 USD
Buy Now
LT3990IDD#TRPBF0
25003.61 USD
Buy Now
LT3990IDD#TRPBF1775
17.06 USD
256.30 USD
1004.33 USD
2503.97 USD
Buy Now
LT3990IDD#TRPBF1775
17.06 USD
256.30 USD
1004.33 USD
2503.97 USD
Buy Now
LT3990IMSE#PBF0
16.30 USD
254.21 USD
1003.58 USD
Buy Now
LT3990EMSE-3.3#TRPBF0
25003.33 USD
Buy Now
LT3990EMSE-5#TRPBF0
25003.33 USD
Buy Now
LT3990IMSE#TRPBF0
25003.68 USD
Buy Now
LT3990IMSE-3.3#TRPBF0
25003.68 USD
Buy Now
LT3990IMSE-5#TRPBF0
25003.68 USD
Buy Now

Distrelec (1)

ProductStockPriceBuy
LT3990EDD#PBF112Buy Now

Element14 (1)

ProductStockPriceBuy
LT3990HMSE-5#PBF3
110.43 USD
256.99 USD
1005.93 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT3990EMSE-3.3#PBF0Buy Now
LT3990EMSE-5#PBF0Buy Now
LT3990EMSE#PBF0Buy Now
LT3990HMSE-3.3#PBF0Buy Now
LT3990HMSE-5#PBF7Buy Now
LT3990HMSE#PBF0Buy Now
LT3990IDD#PBF0Buy Now
LT3990IMSE-3.3#PBF0Buy Now
LT3990IMSE-5#PBF0Buy Now

Mouser Electronics (9)

ProductStockPriceBuy
LT3990EDD#TRPBF2250
16.54 USD
106.06 USD
255.84 USD
1004.01 USD
2503.68 USD
25003.34 USD
Buy Now
LT3990EMSE#PBF633
15.81 USD
105.33 USD
253.88 USD
1003.30 USD
Buy Now
LT3990HMSE#PBF188
17.03 USD
106.44 USD
254.70 USD
1003.99 USD
Buy Now
LT3990IMSE-5#PBF222
16.48 USD
105.94 USD
254.31 USD
1003.68 USD
Buy Now
LT3990EDD#PBF77
15.71 USD
105.24 USD
253.80 USD
1003.24 USD
Buy Now
LT3990IDD#PBF61
16.35 USD
105.81 USD
254.23 USD
1003.60 USD
Buy Now
LT3990IMSE#PBF50
16.48 USD
105.94 USD
254.31 USD
1003.68 USD
Buy Now
LT3990EMSE-3.3#PBF50
15.81 USD
105.33 USD
253.88 USD
1003.30 USD
Buy Now
LT3990HMSE-5#PBF220 On Order
17.03 USD
106.44 USD
254.70 USD
1003.99 USD
Buy Now
LT3990IDD#TRPBFNone
25003.70 USD
Buy Now
LT3990EMSE#TRPBFNone
25003.41 USD
Buy Now
LT3990EMSE-5#PBFNone
2593.30 USD
Buy Now
LT3990IMSE-3.3#TRPBFNone
25003.78 USD
Buy Now
LT3990IMSE-3.3#PBFNone
2223.68 USD
Buy Now
LT3990EMSE-3.3#TRPBFNone
25003.41 USD
Buy Now
LT3990HMSE-5#TRPBFNone
25004.09 USD
Buy Now
LT3990HMSE-3.3#PBFNone
2223.99 USD
Buy Now
LT3990IMSE-5#TRPBFNone
25003.78 USD
Buy Now
LT3990HMSE#TRPBFNone
25004.09 USD
Buy Now
LT3990EMSE-5#TRPBFNone
25003.41 USD
Buy Now
LT3990IMSE#TRPBFNone
25003.78 USD
Buy Now
LT3990HMSE-3.3#TRPBFNone
25004.09 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT3990EDD#PBF2
11.21 USD
251.21 USD
1001.21 USD
Buy Now

RS Components (4)

ProductStockPriceBuy
LT3990EDD#PBF27Buy Now
LT3990EDD#PBF222Buy Now
LT3990EMSE#PBF77Buy Now
LT3990IDD#PBF127Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LT3990EMSE-5#PBF 2152
13.71 $
1003.16 $
Buy Now
LT3990EMSE-3.3#PBF 900
13.71 $
1003.16 $
Buy Now
LT3990HMSE-3.3#PBF 582
14.49 $
1003.81 $
Buy Now
LT3990HMSE-5#PBF 521
14.49 $
1003.81 $
Buy Now
LT3990HMSE#PBF 513
14.49 $
1003.81 $
Buy Now
LT3990IMSE#PBF 470
14.13 $
1003.51 $
Buy Now
LT3990EDD#PBF 324
13.64 $
1003.10 $
Buy Now
LT3990IMSE-5#PBF 314
14.13 $
1003.51 $
Buy Now
LT3990HMSE-3.3#PBF 7
14.49 $
1003.81 $
Buy Now
LT3990IMSE-5#PBF 5
14.13 $
1003.51 $
Buy Now
LT3990IMSE-3.3#PBF 4
14.13 $
1003.51 $
Buy Now
LT3990EMSE-3.3#PBF 0
13.71 $
1003.16 $
Buy Now
LT3990HMSE-5#PBF 0
14.49 $
1003.81 $
Buy Now
LT3990EMSE-5#TRPBF 0
1003.26 $
Buy Now
LT3990IMSE#TRPBF 0
1003.61 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3990EMSE#TRPBF 3461
2503.00 €
1003.28 €
254.76 €
15.33 €
Buy Now
LT3990EMSE#TRPBF 3461
2503.00 €
1003.28 €
254.76 €
15.33 €
Buy Now
LT3990EMSE#TRPBF 2500
25002.73 €
Buy Now
LT3990EMSE#PBF 2188
1002.65 €
253.11 €
14.65 €
Buy Now
LT3990EDD#TRPBF 1820
2502.95 €
1003.22 €
254.67 €
15.23 €
Buy Now
LT3990IMSE-5#PBF 1660
1002.94 €
253.46 €
15.17 €
Buy Now
LT3990EMSE-5#PBF 1563
1002.65 €
253.11 €
14.65 €
Buy Now
LT3990HMSE-5#PBF 1149
1003.19 €
253.76 €
15.62 €
Buy Now
LT3990EMSE-3.3#PBF 1093
1002.65 €
253.11 €
14.65 €
Buy Now
LT3990HMSE-3.3#PBF 1064
1003.19 €
253.76 €
15.62 €
Buy Now
LT3990HMSE#PBF 665
1003.19 €
253.76 €
15.62 €
Buy Now
LT3990EDD#PBF 658
1002.60 €
253.05 €
14.57 €
Buy Now
LT3990IDD#PBF 585
1002.88 €
253.38 €
15.08 €
Buy Now
LT3990IMSE-3.3#PBF 512
1002.94 €
253.46 €
15.17 €
Buy Now
LT3990EDD#TRPBF 0
25002.68 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LT3990EDD#PBF 2
11.21 $
251.21 $
1001.21 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3990EDD#TRPBF 2250
16.38 $
105.92 $
255.69 $
1003.92 $
2503.59 $
25003.26 $
Buy Now
LT3990EMSE#PBF 633
15.67 $
105.20 $
253.78 $
1003.22 $
Buy Now
LT3990HMSE#PBF 198
16.85 $
106.28 $
254.58 $
1003.89 $
Buy Now
LT3990IMSE-5#PBF 222
16.32 $
105.79 $
254.21 $
1003.58 $
Buy Now
LT3990EDD#PBF 77
15.57 $
105.11 $
253.71 $
1003.16 $
Buy Now
LT3990IDD#PBF 61
16.19 $
105.67 $
254.12 $
1003.51 $
Buy Now
LT3990IMSE#PBF 50
16.32 $
105.79 $
254.21 $
1003.58 $
Buy Now
LT3990EMSE-3.3#PBF 50
15.67 $
105.20 $
253.78 $
1003.22 $
Buy Now
LT3990HMSE-5#PBF 0
16.85 $
106.28 $
254.58 $
1003.89 $
Buy Now
LT3990IDD#TRPBF 0
25003.61 $
Buy Now
LT3990EMSE#TRPBF 0
25003.33 $
Buy Now
LT3990EMSE-5#PBF 0
2593.22 $
Buy Now
LT3990IMSE-3.3#TRPBF 0
25003.68 $
Buy Now
LT3990IMSE-3.3#PBF 0
2223.58 $
Buy Now
LT3990EMSE-3.3#TRPBF 0
25003.33 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LT3990EMSE#TRPBF 2000
5213.71 $
2533.84 $
17.95 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3990HMSE-5#PBF 3
18.34 $
255.59 $
1004.74 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3990EMSE#PBF 0
14.42 GBP
103.98 GBP
252.66 GBP
502.63 GBP
1002.60 GBP
Buy Now
LT3990HMSE-5#PBF 7
15.52 GBP
104.73 GBP
253.36 GBP
503.29 GBP
1003.24 GBP
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LT3990EDD#PBF 285
2423.15 $
503.59 $
15.73 $
Buy Now
LT3990HMSE#PBF 37
374.25 $
104.56 $
17.09 $
Buy Now
LT3990IMSE-5#PBF 9
16.74 $
Buy Now
LT3990HMSE-5#PBF 37
374.40 $
104.71 $
17.34 $
Buy Now
LT3990EMSE-3.3#PBF 37
373.77 $
104.51 $
16.95 $
Buy Now

RS Components

ProductStockPriceBuy
LT3990EDD#PBF 27
16.01 GBP
65.31 GBP
304.62 GBP
613.92 GBP
Buy Now
LT3990EDD#PBF 222
65.31 GBP
304.62 GBP
613.92 GBP
Buy Now
LT3990IDD#PBF 127
65.35 GBP
304.88 GBP
614.40 GBP
Buy Now
LT3990EMSE#PBF 77
74.67 GBP
194.01 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3990-5.0. Optional, compare LT3990-5.0 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 LT3990-5.0.

V-IN max. 62 V, I-OUT 0.35 A, V-OUT min. 5 V, Frequency typ. 840 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025330 33.0 0.4 0.6 840.00 2.8 x 2.8 x 3
74404032330 33.0 0.5 0.5 911.00 3 x 3 x 1.5
74404041330 33.0 0.7 0.6 628.00 4 x 4 x 1.2
74404041470 47.0 0.6 0.6 987.00 4 x 4 x 1.2
74404042330 33.0 0.7 0.9 460.00 4 x 4 x 1.8
74404042470 47.0 0.6 0.7 620.00 4 x 4 x 1.8
744042330 33.0 0.7 0.5 382.00 4.8 x 4.8 x 2
744042470 47.0 0.6 0.5 540.00 4.8 x 4.8 x 2
744043330 33.0 0.8 0.6 195.00 4.8 x 4.8 x 3
744043390 39.0 0.8 0.5 215.00 4.8 x 4.8 x 3
744043470 47.0 0.8 0.5 250.00 4.8 x 4.8 x 3
744045330 33.0 0.4 0.9 880.00 4.5 x 3.2 x 2.9
744052470 47.0 0.8 0.7 530.00 5.8 x 5.8 x 2
744053330 33.0 0.9 0.8 180.00 5.8 x 5.8 x 3
744053470 47.0 0.8 0.7 220.00 5.8 x 5.8 x 3
744062330 33.0 0.9 0.8 150.00 6.8 x 6.8 x 2.5
744062470 47.0 0.7 0.6 260.00 6.8 x 6.8 x 2.5
74408941330 33.0 0.5 0.9 1,015.00 4.8 x 4.8 x 2.1
74408941470 47.0 0.4 0.8 1,133.00 4.8 x 4.8 x 2.1
744773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
744773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
744773147 47.0 0.7 0.8 523.00 4 x 4.5 x 3.5
7447785147 47.0 0.9 0.7 500.00 5.9 x 6.2 x 3.3
7447786147 47.0 1.4 0.8 260.00 5.9 x 6.2 x 5.1
784773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
784773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
784773147 47.0 0.7 0.8 523.00 4 x 4.5 x 3.5
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