LT1765 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1765 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 1.20 V to 23.00 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 9 and achieves a peak efficiency of 87 %. Further LT1765 characteristics are a fixed 1250 kHz switching frequency and 2 available package option(s): SO-8 TSSOP-16 .

For the LT1765 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. 1.20 V
V-OUT max. 23.00 V
V-OUT adjustable 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. 9
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-8
SOP TSSOP-16
DIP
TO
DDPAK

LT1765 Datasheet

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

LT1765

LT1765 Sample stock and distributor price breaks

LT1765 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 9

ARROW-NAC (10)

ProductStockPriceBuy
LT1765ES82072
1112.37 USD
1044.41 USD
5024.09 USD
10012.77 USD
50011.44 USD
100011.11 USD
250010.79 USD
500010.64 USD
1000010.50 USD
2500010.08 USD
Buy Now
LT1765EFE555
1113.25 USD
1044.76 USD
5024.28 USD
10012.87 USD
50011.53 USD
100011.19 USD
250010.88 USD
500010.73 USD
1000010.58 USD
2500010.16 USD
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LT1765EFE-5819
19.65 USD
3817.72 USD
6665.94 USD
Buy Now
LT1765EFE#3DYPBF124Buy Now
LT1765EFE-3.3#PBF244
16.89 USD
1005.68 USD
Buy Now
LT1765EFE-2.5#PBF176
16.89 USD
1005.68 USD
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LT1765ES8#PBF853
15.53 USD
1004.76 USD
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LT1765EFE#PBF792
16.89 USD
1005.68 USD
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LT1765EFE#TRPBF2530
15.78 USD
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LT1765EFE-5#PBF434
16.89 USD
1005.68 USD
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Chip-One-Stop (12)

ProductStockPriceBuy
LT1765EFE-1.8#PBF255
110.40 USD
58.96 USD
108.75 USD
508.25 USD
1007.77 USD
2007.60 USD
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LT1765EFE-2.5#PBF130
110.40 USD
58.96 USD
108.75 USD
508.25 USD
1007.77 USD
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LT1765EFE-3.3#PBF109
18.73 USD
506.20 USD
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LT1765EFE-3.3#PBF2519
110.80 USD
59.17 USD
109.07 USD
258.65 USD
508.44 USD
1008.01 USD
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LT1765EFE-5665
6659.55 USD
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LT1765EFE-5#PBF417
111.10 USD
59.42 USD
109.31 USD
258.88 USD
508.67 USD
1008.22 USD
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LT1765EFE#PBF273
18.73 USD
506.20 USD
1905.78 USD
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LT1765EFE#PBF2195
111.10 USD
59.42 USD
109.31 USD
258.88 USD
508.67 USD
1008.22 USD
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LT1765EFE#TRPBF886
111.60 USD
511.50 USD
109.01 USD
508.16 USD
1007.34 USD
2006.91 USD
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LT1765EFE#TRPBF2500
25006.25 USD
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LT1765ES8#PBF63
16.95 USD
105.76 USD
505.56 USD
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LT1765ES8#PBF56
19.10 USD
57.78 USD
107.60 USD
507.16 USD
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DIGI-KEY (8)

ProductStockPriceBuy
LT1765ES8#PBF1154
19.62 USD
256.39 USD
1004.81 USD
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LT1765EFE-3.3#PBF772
19.70 USD
256.89 USD
1005.68 USD
Buy Now
LT1765EFE-5#PBF399
19.70 USD
256.89 USD
1005.68 USD
Buy Now
LT1765EFE-1.8#PBF237
19.70 USD
256.89 USD
1005.68 USD
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LT1765EFE-2.5#PBF40
19.70 USD
256.89 USD
1005.68 USD
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DC436A2
1100.50 USD
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DC476A2
1100.50 USD
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LT1765EFE#PBF0
19.70 USD
256.89 USD
1005.68 USD
Buy Now
LT1765ES8#TRPBF0
25004.87 USD
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LT1765EFE#TRPBF0
25005.78 USD
Buy Now
LT1765EFE-2.5#TRPBF0
25005.78 USD
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LT1765EFE-1.8#TRPBF0
25005.78 USD
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LT1765EFE-3.3#TRPBF0
25005.78 USD
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LT1765EFE-5#TRPBF0
25005.78 USD
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LT1765EFE-513
119.40 USD
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Element14 (1)

ProductStockPriceBuy
LT1765EFE-3.3#PBF0
115.50 USD
2511.01 USD
1009.08 USD
Buy Now
LT1765EFE-5#PBF61
115.50 USD
2511.01 USD
1009.08 USD
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LT1765EFE#PBF0
115.50 USD
2511.01 USD
1009.08 USD
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LT1765ES8#PBF0
115.37 USD
2510.21 USD
1007.91 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LT1765EFE-5#PBF61Buy Now
LT1765ES8#PBF57Buy Now

NEWARK (2)

ProductStockPriceBuy
LT1765EFE-2.5#PBF0
19.72 USD
256.59 USD
1005.68 USD
Buy Now
LT1765EFE-3.3#PBF0
19.72 USD
256.59 USD
1005.68 USD
Buy Now
LT1765EFE-3.3#TRPBF0
19.99 USD
25007.17 USD
Buy Now
LT1765EFE-5#PBF0
19.72 USD
256.59 USD
1005.68 USD
Buy Now
LT1765EFE#PBF202
19.72 USD
256.59 USD
1005.68 USD
Buy Now
LT1765EFE#TRPBF0
19.99 USD
25007.17 USD
Buy Now
LT1765ES8#PBF56
19.76 USD
256.43 USD
1004.76 USD
Buy Now
LT1765ES8#TRPBF0
18.02 USD
25005.76 USD
Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LT1765EFE#PBF66Buy Now
LT1765ES8#PBF273Buy Now

Schukat (1)

ProductStockPriceBuy
LT1765ES8PBF65Buy Now

TME (1)

ProductStockPriceBuy
LT1765EFE#PBF4Buy Now

Available Distributors with stock: 0

no online Distributor with LT1765 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1765. Optional, compare LT1765 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3430 LT3430 product overviewLT3430 product overview Linear Technology TSSOP-16
0% LT3430-1 LT3430-1 product overviewLT3430-1 product overview Linear Technology TSSOP-16
0% LT3431 LT3431 product overviewLT3431 product overview Linear Technology TSSOP-16
0% MAX16907 MAX16907 product overviewMAX16907 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX16936 MAX16936 product overviewMAX16936 product overview Maxim TQFN-32
0% NJW4154 NJW4154 product overviewNJW4154 product overview New Japan Radio TO252-5, HSOP-8
0% BD9876 BD9876 product overviewBD9876 product overview Rohm HTSOP-8
0% A7986A A7986A product overviewA7986A product overview ST HSOP-8
10% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
10% LT3435 LT3435 product overviewLT3435 product overview Linear Technology TSSOP-16
10% A5974D A5974D product overviewA5974D product overview ST SO-8
10% A5975AD A5975AD product overviewA5975AD product overview ST SO-8
10% A5975D A5975D product overviewA5975D product overview ST SO-8
10% LM2670 LM2670 product overviewLM2670 product overview Texas Instruments DDPAK-7, TO-220-7, VSON-14
25% IFX91041EJ V IFX91041EJ V product overviewIFX91041EJ V product overview Infineon PG-DSO-8
25% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
25% IXD3250-3 IXD3250-3 product overviewIXD3250-3 product overview IXYS SOP-8
25% IXD3250-5 IXD3250-5 product overviewIXD3250-5 product overview IXYS SOP-8
25% IXD3251-3 IXD3251-3 product overviewIXD3251-3 product overview IXYS SOP-8
25% IXD3251-5 IXD3251-5 product overviewIXD3251-5 product overview IXYS SOP-8
25% MAX16974 MAX16974 product overviewMAX16974 product overview Maxim TSSOP-EP-16, TQFN-16
25% MAX16977 MAX16977 product overviewMAX16977 product overview Maxim TSSOP-EP-16, TQFN-16
25% MAX5088 MAX5088 product overviewMAX5088 product overview Maxim TQFN-16
25% MAX5089 MAX5089 product overviewMAX5089 product overview Maxim TQFN-16
25% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
25% MP1580 MP1580 product overviewMP1580 product overview MPS PDIP-8, SOIC-8
25% MP2354 MP2354 product overviewMP2354 product overview MPS SOIC-8
25% MP2362 MP2362 product overviewMP2362 product overview MPS
25% MP2377 MP2377 product overviewMP2377 product overview MPS SOIC-8
25% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
25% NCV890231 NCV890231 product overviewNCV890231 product overview ON Semiconductor SOIC-8
25% A5973D A5973D product overviewA5973D product overview ST SO-8
25% A5974AD A5974AD product overviewA5974AD product overview ST SO-8
25% A7985A A7985A product overviewA7985A product overview ST HSOP-8
25% B5973D B5973D product overviewB5973D product overview ST SO-8
25% L5973D L5973D product overviewL5973D product overview ST HSOP-8
25% LM27342 LM27342 product overviewLM27342 product overview Texas Instruments SON-10, MSOP-10
25% LM27342-Q1 LM27342-Q1 product overviewLM27342-Q1 product overview Texas Instruments SON-10, MSOP-10
25% LMR12020 LMR12020 product overviewLMR12020 product overview Texas Instruments SON-10
25% XC9250-3 XC9250-3 product overviewXC9250-3 product overview Torex SOP-8
25% XC9250-5 XC9250-5 product overviewXC9250-5 product overview Torex SOP-8
25% XC9251-3 XC9251-3 product overviewXC9251-3 product overview Torex SOP-8
25% XC9251-5 XC9251-5 product overviewXC9251-5 product overview Torex SOP-8
25% XC9270-C XC9270-C product overviewXC9270-C product overview Torex SOP-8
25% XC9270-D XC9270-D product overviewXC9270-D product overview Torex SOP-8
25% XC9271-C XC9271-C product overviewXC9271-C product overview Torex SOP-8
25% XC9271-D XC9271-D product overviewXC9271-D product overview Torex SOP-8
50% LT1766 LT1766 product overviewLT1766 product overview Linear Technology TSSOP-16
50% LT1767 LT1767 product overviewLT1767 product overview Linear Technology MSOP-8
50% LT1956 LT1956 product overviewLT1956 product overview Linear Technology TSSOP-16
50% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
50% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
50% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16
50% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
50% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16
50% CS51411 CS51411 product overviewCS51411 product overview ON Semiconductor SOIC-8, DFN-18
50% CS51413 CS51413 product overviewCS51413 product overview ON Semiconductor SOIC-8, DFN-18
50% NCP1547 NCP1547 product overviewNCP1547 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV51411 NCV51411 product overviewNCV51411 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV8842 NCV8842 product overviewNCV8842 product overview ON Semiconductor DFN-18
50% NCV8843 NCV8843 product overviewNCV8843 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
50% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
50% A5972D A5972D product overviewA5972D product overview ST SO-8
50% A5973AD A5973AD product overviewA5973AD product overview ST SO-8
50% L5972D L5972D product overviewL5972D product overview ST SO-8
50% L5973AD L5973AD product overviewL5973AD product overview ST HSOP-8
50% LM27341 LM27341 product overviewLM27341 product overview Texas Instruments SON-10, MSOP-10
50% LM27341-Q1 LM27341-Q1 product overviewLM27341-Q1 product overview Texas Instruments SON-10, MSOP-10
50% LMR12015 LMR12015 product overviewLMR12015 product overview Texas Instruments SON-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1765.

V-IN max. 25 V, I-OUT 2.4 A, V-OUT min. 1.2 V, Frequency typ. 1250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
74404041010 1.0 2.5 3.4 41.00 4 x 4 x 1.2
74404042010 1.0 3.2 4.8 27.00 4 x 4 x 1.8
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
74404052010 1.0 3.9 5.5 19.80 5 x 5 x 2
74404052012 1.2 3.6 5.2 23.40 5 x 5 x 2
74404052015 1.5 3.3 4.9 25.70 5 x 5 x 2
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74408941010 1.0 3.0 5.4 29.50 4.8 x 4.8 x 2.1
74408942012 1.2 3.2 5.5 22.00 4.8 x 4.8 x 3.1
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
74438324010 1.0 2.8 4.9 49.00 2.5 x 2 x 1.2
74438324012 1.2 2.4 4.5 67.00 2.5 x 2 x 1.2
74438334012 1.2 2.7 6.0 55.00 3 x 3 x 1.2
74438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
744773014 1.4 3.4 5.0 22.00 4 x 4.5 x 3.5
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
744787012 1.2 4.9 6.0 8.50 7.8 x 7 x 5
74479287210 1.0 2.4 4.0 55.00 2.5 x 2 x 1
74479288210 1.0 2.4 4.2 40.00 2.5 x 2 x 1.2
74479298210 1.0 2.5 4.0 45.00 3.2 x 2.5 x 1
74479299210 1.0 3.0 5.2 38.00 3.2 x 2.5 x 1.2
78438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
78438334012 1.2 2.7 6.0 55.00 3 x 3 x 1.2
78438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
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