LT1766 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1766 is a 60.00 V non-sync Buck Converter from with 1.20 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.20 V to 58.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 11 and achieves a peak efficiency of 90 %. Further LT1766 characteristics are a fixed 200 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT1766 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. 5.50 V
V-IN max. 60.00 V
I-OUT? 1.20 A
V-OUT min. 1.20 V
V-OUT max. 58.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 228 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 2200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT1766 Datasheet

Link to the most up-to-date LT1766 datasheet and the product page for EVM, tools and support information.

LT1766

LT1766 Sample stock and distributor price breaks

LT1766 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 9

ARROW-NAC (15)

ProductStockPriceBuy
LT1766EFE47
15.36 USD
1004.41 USD
Buy Now
LT1766EFE1710
16.67 USD
3815.00 USD
12363.34 USD
Buy Now
LT1766IFE1298
1104.45 USD
1041.28 USD
5022.39 USD
10011.87 USD
50010.63 USD
100010.32 USD
250010.03 USD
50009.89 USD
100009.76 USD
250009.37 USD
Buy Now
LT1766IGN700
1105.62 USD
1041.74 USD
5022.65 USD
10012.00 USD
50010.75 USD
100010.44 USD
250010.15 USD
500010.00 USD
100009.87 USD
250009.48 USD
Buy Now
LT1766EGN-5#PBF429
14.32 USD
1003.72 USD
Buy Now
LT1766EFE#TRPBF4
14.51 USD
Buy Now
LT1766HFE#PBF690
16.71 USD
1005.53 USD
Buy Now
LT1766IFE-5#PBF108
16.36 USD
1005.24 USD
Buy Now
LT1766IFE-5#TRPBF2500
25005.34 USD
Buy Now
LT1766IGN#PBF480
15.15 USD
1004.44 USD
Buy Now
LT1766IFE#PBF1538
16.36 USD
1005.24 USD
Buy Now
LT1766EGN#TRPBF186
13.77 USD
Buy Now
LT1766EFE#PBF1218
15.36 USD
1004.41 USD
Buy Now
LT1766EFE-5#PBF520
15.36 USD
1004.41 USD
Buy Now
LT1766EFE-5#PBF620
15.36 USD
1004.41 USD
Buy Now

Chip-One-Stop (13)

ProductStockPriceBuy
LT1766EFE-5#PBF740
18.45 USD
57.22 USD
107.05 USD
506.65 USD
1006.27 USD
2006.13 USD
Buy Now
LT1766EFE-5#PBF740
18.45 USD
57.22 USD
107.05 USD
506.65 USD
1006.27 USD
2006.13 USD
Buy Now
LT1766EFE#PBF2845
18.45 USD
57.22 USD
107.05 USD
506.65 USD
1006.27 USD
2006.13 USD
Buy Now
LT1766EFE#TRPBF14
19.01 USD
107.14 USD
Buy Now
LT1766EGN-5#PBF422
16.83 USD
105.75 USD
255.68 USD
505.42 USD
1005.29 USD
2005.05 USD
Buy Now
LT1766EGN#PBF1073
17.11 USD
105.93 USD
505.59 USD
1005.27 USD
2005.15 USD
5005.10 USD
Buy Now
LT1766EGN#TRPBF34
17.55 USD
105.96 USD
255.69 USD
Buy Now
LT1766HFE#PBF210
110.20 USD
58.72 USD
108.52 USD
508.03 USD
1007.57 USD
2007.40 USD
Buy Now
LT1766IFE-5#PBF59
19.68 USD
58.27 USD
108.08 USD
507.61 USD
Buy Now
LT1766IFE-5#PBF59
19.68 USD
58.27 USD
108.08 USD
507.61 USD
Buy Now
LT1766IFE#PBF646
110.40 USD
58.84 USD
108.74 USD
508.14 USD
1007.72 USD
2007.55 USD
Buy Now
LT1766IGN#PBF661
17.98 USD
56.82 USD
106.66 USD
506.28 USD
1005.91 USD
2005.78 USD
Buy Now
LT1766IGN#TR2500
25009.69 USD
Buy Now

DIGI-KEY (10)

ProductStockPriceBuy
LT1766EFE#PBF965
17.54 USD
255.36 USD
1004.41 USD
Buy Now
LT1766IFE#PBF1125
18.94 USD
256.36 USD
1005.24 USD
Buy Now
LT1766IGN#PBF519
19.05 USD
256.01 USD
1004.52 USD
Buy Now
LT1766EGN-5#PBF1194
17.41 USD
254.92 USD
1003.72 USD
Buy Now
LT1766IGN-5#PBF290
19.05 USD
256.01 USD
1004.52 USD
Buy Now
LT1766HFE#PBF471
19.45 USD
256.71 USD
1005.53 USD
Buy Now
DC326B3
1100.50 USD
Buy Now
LT1766IFE-5#PBF73
18.94 USD
256.36 USD
1005.24 USD
Buy Now
DC326C4
1100.50 USD
Buy Now
LT1766EGN#PBF0
17.41 USD
254.92 USD
1003.72 USD
Buy Now
LT1766EFE-5#PBF14
17.54 USD
255.36 USD
1004.41 USD
Buy Now
LT1766EGN#TRPBF0
25003.82 USD
Buy Now
LT1766EGN-5#TRPBF0
25003.82 USD
Buy Now
LT1766EFE#TRPBF0
25004.51 USD
Buy Now
LT1766EFE-5#TRPBF0
25004.51 USD
Buy Now
LT1766IGN-5#TRPBF0
25004.59 USD
Buy Now
LT1766IGN#TRPBF0
25004.59 USD
Buy Now
LT1766IFE#TRPBF0
25005.34 USD
Buy Now
LT1766IFE-5#TRPBF0
25005.34 USD
Buy Now
LT1766HFE#TRPBF0
25005.63 USD
Buy Now

Element14 (5)

ProductStockPriceBuy
LT1766EFE-5#PBF137
111.96 USD
258.51 USD
1007.00 USD
Buy Now
LT1766EFE#PBF205
111.96 USD
258.51 USD
1007.00 USD
Buy Now
LT1766EGN#PBF191
111.76 USD
257.81 USD
1006.11 USD
Buy Now
LT1766IFE#PBF747
114.19 USD
2510.09 USD
1008.32 USD
Buy Now
LT1766IGN#PBF44
114.36 USD
259.54 USD
1007.45 USD
Buy Now

FARNELL-ELEMENT14 (5)

ProductStockPriceBuy
LT1766EFE-5#PBF141Buy Now
LT1766EFE#PBF215Buy Now
LT1766EGN#PBF201Buy Now
LT1766IFE#PBF747Buy Now
LT1766IGN#PBF45Buy Now

RS-COMPONENTS (6)

ProductStockPriceBuy
LT1766EFE-5#PBF42Buy Now
LT1766EFE#PBF27Buy Now
LT1766EGN#PBF29Buy Now
LT1766EGN#PBF81Buy Now
LT1766IFE#PBF74Buy Now
LT1766IGN#PBF66Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT1766EGN#PBF1Buy Now

Schukat (1)

ProductStockPriceBuy
LT1766EGNPBF40Buy Now

TME (1)

ProductStockPriceBuy
LT1766IFE#PBF10Buy Now

Available Distributors with stock: 0

no online Distributor with LT1766 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1766. Optional, compare LT1766 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1956 LT1956 product overviewLT1956 product overview Linear Technology TSSOP-16
10% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
10% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
10% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
50% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
50% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
50% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
50% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
50% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
50% MAX5081 MAX5081 product overviewMAX5081 product overview Maxim TQFN-16
50% MAX5096 MAX5096 product overviewMAX5096 product overview Maxim TSSOP-EP-20, TQFN-16
50% MAX5097 MAX5097 product overviewMAX5097 product overview Maxim TSSOP-EP-20, TQFN-16
50% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
50% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
50% A5970AD A5970AD product overviewA5970AD product overview ST SO-8
50% A5970D A5970D product overviewA5970D product overview ST SO-8
50% L5970AD L5970AD product overviewL5970AD product overview ST SO-8
50% L5970D L5970D product overviewL5970D product overview ST SO-8
50% LM2672 LM2672 product overviewLM2672 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1766.

V-IN max. 60 V, I-OUT 1.2 A, V-OUT min. 1.2 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054150 15.0 2.0 2.2 86.00 5 x 5 x 4
74404063150 15.0 1.5 1.9 125.00 6 x 6 x 2.8
74404064150 15.0 2.1 2.7 68.00 6 x 6 x 4.5
74404064180 18.0 1.9 2.4 81.00 6 x 6 x 4.5
74404084180 18.0 2.4 2.9 53.00 8 x 8 x 4.2
744065150 15.0 2.2 2.3 69.00 10 x 10 x 3.1
744071150 15.0 2.8 2.3 46.00 8 x 8 x 4.6
74408943150 15.0 1.4 1.7 118.00 4.8 x 4.8 x 4.1
74437324150 15.0 1.2 2.1 325.00 4.45 x 4.06 x 2
744773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
744773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
744775112 12.0 2.2 2.2 41.70 7 x 7.8 x 5.5
744775115 15.0 1.9 2.2 43.90 7 x 7.8 x 5.5
744775118 18.0 1.9 2.1 52.60 7 x 7.8 x 5.5
744776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
744776118 18.0 2.4 2.4 42.80 9 x 10 x 5.9
744777112 12.0 1.8 2.4 54.00 7.3 x 7.3 x 4.5
744777115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
744777118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
7447779112 12.0 1.8 2.4 50.00 7.3 x 7.3 x 4.5
7447779115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
7447779118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
744778112 12.0 1.7 2.2 76.00 7.3 x 7.3 x 3.4
744778115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.4
744778118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.4
7447789112 12.0 1.7 1.9 76.00 7.3 x 7.3 x 3.5
7447789115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.5
7447789118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.5
744787120 12.0 2.5 2.4 45.00 7.8 x 7 x 5
744787150 15.0 2.3 2.1 52.00 7.8 x 7 x 5
744787180 18.0 2.2 1.9 67.00 7.8 x 7 x 5
784773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
784773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
784774112 12.0 2.0 1.9 82.00 5.2 x 5.8 x 4.85
784774115 15.0 1.5 1.9 89.00 5.2 x 5.8 x 4.85
784774118 18.0 1.5 1.7 104.00 5.2 x 5.8 x 4.85
784775112 12.0 2.2 2.2 42.00 7 x 7.8 x 5.5
784775115 15.0 1.9 2.2 44.00 7 x 7.8 x 5.5
784775118 18.0 1.9 2.1 53.00 7 x 7.8 x 5.5
784776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
784776118 18.0 2.4 2.4 43.00 9 x 10 x 5.9
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