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: 0

no online Distributor with LT1765 stock available

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LT1765EFE#TRPBF 2654
1006.43 $
Buy Now
LT1765EFE 2216
5000011.87 $
2500012.23 $
1000012.41 $
500012.60 $
250012.80 $
100013.00 $
50013.21 $
10013.65 $
2525.74 $
175.08 $
Buy Now
LT1765EFE-5#TRPBF 1813
1005.78 $
Buy Now
LT1765ES8 1742
5000010.01 $
2500010.31 $
1000010.47 $
500010.63 $
250010.80 $
100010.97 $
50011.15 $
10011.52 $
2521.71 $
163.33 $
Buy Now
LT1765ES8#PBF 1309
1005.87 $
19.50 $
Buy Now
LT1765EFE#PBF 1229
1006.08 $
111.08 $
Buy Now
LT1765EFE-5#PBF 93
1006.08 $
111.08 $
Buy Now
LT1765EFE-2.5#PBF 67
1006.08 $
111.08 $
Buy Now
LT1765EFE-3.3 0
500008.58 $
250008.83 $
100008.97 $
50009.11 $
25009.25 $
10009.40 $
5009.54 $
1009.86 $
2518.60 $
154.26 $
Buy Now
LT1765ES8 0 Buy Now
LT1765EFE-2.5#TRPBF 0
1005.78 $
Buy Now
LT1765EFE-5#TRPBF 0
1005.78 $
Buy Now
LT1765EFE-1.8#TRPBF 0
1005.78 $
Buy Now
LT1765EFE-1.8#PBF 0
1005.68 $
111.08 $
Buy Now
LT1765EFE#TRPBF 0
1006.43 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1765EFE-3.3#PBF 4989
5005.21 €
2505.33 €
1005.61 €
256.79 €
110.22 €
Buy Now
LT1765EFE#PBF 4258
5005.21 €
2505.33 €
1005.61 €
256.79 €
110.22 €
Buy Now
LT1765ES8#TRPBF 2212
5005.26 €
2505.38 €
1005.67 €
256.85 €
110.32 €
Buy Now
LT1765ES8#TRPBF 2212
5005.26 €
2505.38 €
1005.67 €
256.85 €
110.32 €
Buy Now
LT1765ES8#PBF 2184
5005.05 €
2505.17 €
1005.44 €
256.58 €
19.91 €
Buy Now
LT1765EFE-3.3#TRPBF 1177
5005.49 €
2505.62 €
1005.92 €
257.59 €
110.78 €
Buy Now
LT1765EFE-3.3#TRPBF 1177
5005.49 €
2505.62 €
1005.92 €
257.59 €
110.78 €
Buy Now
LT1765EFE-5#PBF 863
5005.21 €
2505.33 €
1005.61 €
256.79 €
110.22 €
Buy Now
LT1765EFE#TRPBF 474
5005.49 €
2505.62 €
1005.92 €
257.59 €
110.78 €
Buy Now
LT1765EFE#TRPBF 474
5005.49 €
2505.62 €
1005.92 €
257.59 €
110.78 €
Buy Now
DC476A 3
187.50 €
Buy Now
DC436A 2
187.50 €
Buy Now
LT1765ES8#TRPBF 0
25005.11 €
Buy Now
LT1765EFE-3.3#TRPBF 0
25005.33 €
Buy Now
LT1765EFE#TRPBF 0
25005.33 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1765EFE 2185
100013.00 $
50013.21 $
10013.65 $
9525.74 $
Buy Now
LT1765ES8 1700
100010.97 $
50011.15 $
10011.52 $
Buy Now
LT1765ES8#PBF 1309
1006.31 $
210.21 $
Buy Now
LT1765EFE#PBF 1229
1006.54 $
211.91 $
Buy Now
LT1765EFE-5#PBF 93
16.89 $
Buy Now
LT1765EFE-2.5#PBF 67
1006.54 $
211.91 $
Buy Now

Newark element14

ProductStockPriceBuy
LT1765EFE#PBF 10
1005.68 $
256.60 $
17.15 $
Buy Now
LT1765ES8#PBF 1
12.13 $
252.13 $
1002.13 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1765EFE#PBF 2200
111.66 $
257.75 $
1006.40 $
2506.08 $
5005.95 $
10005.72 $
Buy Now
LT1765ES8#TRPBF 2500
111.79 $
257.82 $
1006.47 $
2506.14 $
5006.00 $
25005.60 $
Buy Now
LT1765EFE#TRPBF 2500
112.31 $
258.17 $
1006.75 $
2506.42 $
5006.27 $
25005.85 $
Buy Now
LT1765ES8#PBF 1452
110.00 $
256.98 $
1006.18 $
2505.77 $
5005.65 $
Buy Now
LT1765EFE-3.3#PBF 1553
111.66 $
257.75 $
1006.40 $
2506.08 $
5005.95 $
10005.72 $
Buy Now
LT1765EFE-5#PBF 732
111.66 $
257.75 $
1006.40 $
2506.08 $
5005.95 $
10005.72 $
Buy Now
LT1765EFE-2.5#PBF 110
111.66 $
257.75 $
1006.40 $
2506.08 $
5005.95 $
10005.72 $
Buy Now
LT1765EFE-1.8#PBF 95
111.66 $
257.75 $
1006.40 $
2506.08 $
5005.95 $
10005.72 $
Buy Now
LT1765EFE-1.8#TRPBF 0
25005.85 $
Buy Now
LT1765EFE-2.5#TRPBF 0
25005.85 $
Buy Now
LT1765EFE-3.3#TRPBF 0
25005.85 $
Buy Now
LT1765EFE-5#TRPBF 0
25005.85 $
Buy Now
LT1765EFE 0 Buy Now
LT1765EFE-3.3 0 Buy Now
LT1765EFE-5 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1765ES8#TRPBF 235 Buy Now
LT1765EFE#PBF 55 Buy Now
LT1765EFE#PBF 85 Buy Now
LT1765EFE-2.5 10 Buy Now
LT1765EFE#TRPBF 7 Buy Now
LT1765EFE25 640 Buy Now
LT1765EFE-5 16 Buy Now
LT1765ES8 98 Buy Now
LT1765ES8#PBF 23 Buy Now
LT1765EFE 13 Buy Now
LT1765EFE 623
19.18 $
45.97 $
104.59 $
294.29 $
603.98 $
1213.77 $
Buy Now

Quest Components

ProductStockPriceBuy
LT1765EFE 498
3764.92 $
885.33 $
112.30 $
Buy Now
LT1765EFE-1.8#TR 213
1157.82 $
278.77 $
114.22 $
Buy Now
LT1765EFE-3.3 77
355.17 $
45.97 $
111.94 $
Buy Now
LT1765EFE-3.3#TRPBF 3248
4119.15 $
1889.76 $
113.73 $
Buy Now
LT1765EFE-5 90
915.15 $
325.58 $
112.87 $
Buy Now
LT1765EFE-5#PBF 317
915.10 $
325.53 $
112.75 $
Buy Now
LT1765ES8#PBF 26
107.66 $
48.43 $
111.49 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1765EFE#PBF 5
108.79 $
39.27 $
111.50 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1765EFEPBF 36
LT1765ES8PBF 69

Schukat electronic

ProductStockPriceBuy
LT1765ES8PBF 37
17.85 €
107.30 €
506.05 €
1005.85 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT1765EFE#PBF 561
5005.85 $
2006.75 $
1007.16 $
507.63 $
108.43 $
111.60 $
Buy Now
LT1765EFE-3.3#PBF 20
108.43 $
111.60 $
Buy Now
LT1765ES8#PBF 347
1005.87 $
506.28 $
106.95 $
19.56 $
Buy Now

RS Components

ProductStockPriceBuy
LT1765EFE#PBF 56
486.36 GBP
197.03 GBP
Buy Now
LT1765ES8#PBF 125
505.93 GBP
256.50 GBP
57.07 GBP
Buy Now
LT1765ES8#PBF 68
505.93 GBP
256.50 GBP
57.07 GBP
17.64 GBP
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LT1765EFE#PBF 0
5009.09 SGD
2509.31 SGD
1009.80 SGD
2511.85 SGD
117.82 SGD
Buy Now
LT1765EFE-3.3#PBF 0
5009.09 SGD
2509.31 SGD
1009.80 SGD
2511.85 SGD
117.82 SGD
Buy Now
LT1765EFE-5#PBF 0
5009.09 SGD
2509.31 SGD
1009.80 SGD
2511.85 SGD
117.82 SGD
Buy Now
LT1765ES8#PBF 0
5008.63 SGD
2508.83 SGD
1009.44 SGD
2510.67 SGD
115.29 SGD
Buy Now

Richardson RFPD

ProductStockPriceBuy
LT1765EFE-1.8#PBF 0
956.87 $
1006.49 $
5006.31 $
10006.15 $
50005.92 $
Buy Now
LT1765ES8#TRPBF 0
25006.03 $
50005.79 $
Buy Now
LT1765EFE#PBF 0
956.87 $
1006.49 $
5006.31 $
10006.15 $
50005.92 $
Buy Now
LT1765EFE-2.5#TRPBF 0
25006.29 $
50006.06 $
Buy Now
LT1765EFE-5#TRPBF 0
25006.29 $
50006.06 $
Buy Now
LT1765EFE-3.3#PBF 0
956.87 $
1006.49 $
5006.31 $
10006.15 $
50005.92 $
Buy Now
LT1765EFE-1.8#TRPBF 0
25006.29 $
50006.06 $
Buy Now
LT1765EFE-2.5#PBF 0
956.87 $
1006.49 $
5006.31 $
10006.15 $
50005.92 $
Buy Now
LT1765EFE-5#PBF 0
956.87 $
1006.49 $
5006.31 $
10006.15 $
50005.92 $
Buy Now
LT1765EFE#TRPBF 0
25006.29 $
50006.06 $
Buy Now
LT1765EFE-3.3#TRPBF 0
25006.29 $
50006.06 $
Buy Now
LT1765ES8#PBF 0
1006.29 $
5006.12 $
10005.96 $
50005.73 $
Buy Now

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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