LT1765-2.5 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1765-2.5 is a 25.00 V non-sync Buck Converter from with 2.40 A output current. The maximum 25.00 V input voltage can be regulated down into a 2.50 V to 2.50 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 7 and achieves a peak efficiency of 87 %. Further LT1765-2.5 characteristics are a fixed 1250 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT1765-2.5 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. 3.00 V
V-IN max. 25.00 V
I-OUT? 2.40 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 2.500 V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 1250 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 1600 kHz
Frequency adj./ ext.clock max 2000 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 1300 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 87 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT1765-2.5 Datasheet

Link to the most up-to-date LT1765-2.5 datasheet and the product page for EVM, tools and support information.

LT1765-2.5

LT1765-2.5 Sample stock and distributor price breaks

LT1765-2.5 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with LT1765 stock available

Available Distributors with stock: 13

Arrow Electronics

ProductStockPriceBuy
LT1765EFE-5#TRPBF 2640
1005.78 $
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LT1765EFE 2216
5000011.64 $
2500012.00 $
1000012.17 $
500012.36 $
250012.56 $
100012.76 $
50012.96 $
10013.39 $
2525.26 $
173.67 $
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LT1765ES8 1742
500009.82 $
2500010.11 $
1000010.27 $
500010.43 $
250010.59 $
100010.76 $
50010.94 $
10011.30 $
2521.30 $
162.13 $
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LT1765EFE#TRPBF 1283
1005.78 $
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LT1765EFE-5 819
6666.18 $
3818.03 $
110.04 $
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LT1765ES8#PBF 664
1004.76 $
19.34 $
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LT1765EFE#PBF 522
1005.68 $
19.40 $
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LT1765EFE-5#PBF 129
1005.68 $
19.40 $
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LT1765EFE-2.5#PBF 67
1005.68 $
19.40 $
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LT1765EFE-1.8#PBF 21
1005.68 $
19.40 $
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Digi-Key

ProductStockPriceBuy
LT1765EFE-3.3#PBF 6032
5005.21 €
2505.33 €
1005.61 €
256.78 €
110.22 €
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LT1765ES8#PBF 3178
1004.85 €
255.59 €
18.41 €
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LT1765EFE#TRPBF 1968
5005.49 €
2505.62 €
1005.92 €
257.58 €
110.78 €
Buy Now
LT1765EFE#TRPBF 1968
5005.49 €
2505.62 €
1005.92 €
257.58 €
110.78 €
Buy Now
LT1765EFE-3.3#TRPBF 1456
5005.49 €
2505.62 €
1005.92 €
257.58 €
110.78 €
Buy Now
LT1765EFE-3.3#TRPBF 1456
5005.49 €
2505.62 €
1005.92 €
257.58 €
110.78 €
Buy Now
LT1765ES8#TRPBF 1296
5005.26 €
2505.38 €
1005.66 €
256.85 €
110.31 €
Buy Now
LT1765ES8#TRPBF 1296
5005.26 €
2505.38 €
1005.66 €
256.85 €
110.31 €
Buy Now
LT1765EFE-2.5#PBF 406
5005.21 €
2505.33 €
1005.61 €
256.78 €
110.22 €
Buy Now
LT1765EFE-5#PBF 233
5005.21 €
2505.33 €
1005.61 €
256.78 €
110.22 €
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DC476A 3
187.47 €
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DC436A 2
187.47 €
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LT1765ES8#TRPBF 0
25004.91 €
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LT1765EFE#TRPBF 0
25005.33 €
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LT1765EFE-3.3#TRPBF 0
25005.33 €
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show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1765EFE 2185
100012.76 $
50012.96 $
10013.39 $
9525.26 $
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LT1765ES8 1700
100010.76 $
50010.94 $
10011.30 $
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LT1765EFE-5 760
6666.18 $
3818.03 $
9510.04 $
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LT1765ES8#PBF 664
29.34 $
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LT1765EFE#PBF 532
1005.68 $
29.40 $
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LT1765EFE-5#PBF 129
1005.68 $
29.40 $
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LT1765EFE-2.5#PBF 67
1005.68 $
29.40 $
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LT1765EFE-1.8#PBF 21
1005.68 $
29.40 $
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Newark element14

ProductStockPriceBuy
LT1765EFE#PBF 14
1005.68 $
256.88 $
19.72 $
Buy Now
LT1765ES8#PBF 1
1004.81 $
256.38 $
19.67 $
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Mouser Electronics

ProductStockPriceBuy
LT1765EFE#PBF 476
19.91 $
109.08 $
507.03 $
2505.94 $
Buy Now
LT1765EFE-3.3#PBF 481
19.91 $
109.08 $
507.03 $
2505.94 $
Buy Now
LT1765EFE-5#PBF 222
19.91 $
109.08 $
507.03 $
2505.94 $
Buy Now
LT1765EFE-2.5#PBF 110
19.91 $
109.08 $
507.03 $
2505.94 $
Buy Now
LT1765ES8#PBF 0
19.83 $
109.01 $
506.52 $
2505.76 $
Buy Now
LT1765EFE-1.8#PBF 0
19.91 $
109.08 $
507.03 $
2505.94 $
Buy Now
LT1765ES8#TRPBF 0
25005.95 $
Buy Now
LT1765EFE-2.5#TRPBF 0
25007.07 $
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LT1765EFE-3.3#TRPBF 0
25007.07 $
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LT1765EFE-5#TRPBF 0
25007.07 $
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LT1765EFE#TRPBF 0
25007.07 $
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LT1765EFE-1.8#TRPBF 0
25007.07 $
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LT1765EFE 0 Buy Now
LT1765ES8 0 Buy Now
LT1765EFE-3.3 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1765EFE#PBF 85 Buy Now
LT1765EFE#PBF 55 Buy Now
LT1765EFE 623
19.18 $
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104.59 $
294.29 $
603.98 $
1213.77 $
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LT1765EFE 13 Buy Now
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LT1765ES8 98 Buy Now
LT1765EFE#TRPBF 7 Buy Now
LT1765EFE25 640 Buy Now
LT1765ES8#PBF 23 Buy Now
LT1765EFE-2.5 10 Buy Now
LT1765ES8#TRPBF 235 Buy Now

Quest Components

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LT1765EFE 498
3764.92 $
885.33 $
112.30 $
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LT1765EFE-1.8#TR 213
1157.82 $
278.77 $
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LT1765EFE-3.3 77
355.17 $
45.97 $
111.94 $
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LT1765EFE-3.3#TRPBF 3248
4119.15 $
1889.76 $
113.73 $
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LT1765EFE-5 90
915.15 $
325.58 $
112.87 $
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LT1765EFE-5#PBF 225
915.10 $
325.53 $
112.75 $
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TME Electronic Components

ProductStockPriceBuy
LT1765EFE#PBF 1
111.50 $
39.27 $
108.79 $
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ComS.I.T.

ProductStockPriceBuy
LT1765EFEPBF 165
LT1765ES8PBF 69

Schukat electronic

ProductStockPriceBuy
LT1765ES8PBF 5
17.85 €
107.30 €
506.05 €
1005.85 €
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Chip 1 Exchange

ProductStockPriceBuy
LT1765EFE 288
LT1765EFE-3.3#TRPBF 4258
LT1765EFE#TRPBF 9100
LT1765EFE-1.8#TR 281

Chip1Stop

ProductStockPriceBuy
LT1765EFE#PBF 583
5005.36 $
2005.62 $
1005.66 $
506.17 $
107.04 $
111.90 $
Buy Now
LT1765EFE-3.3#PBF 78
506.94 $
109.87 $
110.10 $
Buy Now
LT1765ES8#PBF 367
2005.35 $
1005.50 $
506.31 $
109.60 $
19.93 $
Buy Now

RS Components

ProductStockPriceBuy
LT1765ES8#PBF 58
505.93 GBP
256.50 GBP
57.07 GBP
17.64 GBP
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LT1765ES8#PBF 195
505.93 GBP
256.50 GBP
57.07 GBP
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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1765-2.5. Optional, compare LT1765-2.5 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 LT1765-2.5.

V-IN max. 25 V, I-OUT 2.4 A, V-OUT min. 2.5 V, Frequency typ. 1250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
74404052015 1.5 3.3 4.9 25.70 5 x 5 x 2
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
74404054022 2.2 3.8 5.3 19.00 5 x 5 x 4
74404063022 2.2 3.8 5.6 20.00 6 x 6 x 2.8
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440650022 2.2 6.2 5.9 11.00 10 x 10 x 3.1
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
74408942022 2.2 2.5 4.0 38.00 4.8 x 4.8 x 3.1
74408943022 2.2 3.0 4.6 26.00 4.8 x 4.8 x 4.1
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
74438336022 2.2 2.4 4.3 67.00 3 x 3 x 2
7447462022 2.2 6.3 4.3 10.00 5.5 x 5.5 x 8.5
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
7447779002 2.2 4.2 6.0 16.00 7.3 x 7.3 x 4.5
744778002 2.2 4.0 4.8 14.00 7.3 x 7.3 x 3.4
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
7447786002 2.2 3.5 4.0 40.00 5.9 x 6.2 x 5.1
7447789002 2.2 4.0 4.8 19.00 7.3 x 7.3 x 3.5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
784775022 2.2 6.0 6.0 8.00 7 x 7.8 x 5.5
784777022 2.2 2.7 5.3 51.00 7.3 x 7.3 x 4.3
784778022 2.2 3.1 5.0 42.00 7.3 x 7.3 x 3.5
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