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: 10

Conrad COM (1)

ProductStockPriceBuy
LT1766EGN#PBF13Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT1766EGN#PBF13Buy Now

Digi-Key (13)

ProductStockPriceBuy
LT1766EGN#PBF3363
17.56 USD
255.02 USD
1003.79 USD
Buy Now
LT1766IFE#PBF599
19.12 USD
256.49 USD
1005.34 USD
Buy Now
LT1766EGN-5#PBF550
17.56 USD
255.02 USD
1003.79 USD
Buy Now
LT1766IGN-5#PBF560
19.23 USD
256.13 USD
1004.53 USD
Buy Now
LT1766EGN#TRPBF2500
25003.90 USD
Buy Now
LT1766EGN#TRPBF2500
18.61 USD
257.69 USD
1004.68 USD
2504.29 USD
Buy Now
LT1766EGN#TRPBF2500
18.61 USD
257.69 USD
1004.68 USD
2504.29 USD
Buy Now
LT1766EFE#TRPBF0
25004.60 USD
Buy Now
LT1766EFE#TRPBF1398
18.90 USD
257.94 USD
1005.52 USD
2505.06 USD
Buy Now
LT1766EFE#TRPBF1398
18.90 USD
257.94 USD
1005.52 USD
2505.06 USD
Buy Now
DC326C4
1102.00 USD
Buy Now
LT1766EFE-5#PBF81
17.69 USD
255.47 USD
1004.50 USD
Buy Now
LT1766IFE-5#PBF57
19.12 USD
256.49 USD
1005.34 USD
Buy Now
LT1766EFE#PBF0
17.69 USD
255.47 USD
1004.50 USD
Buy Now
LT1766IGN#PBF0
19.23 USD
256.13 USD
1004.53 USD
Buy Now
LT1766HFE#PBF0
19.64 USD
256.84 USD
1005.64 USD
Buy Now
DC326B1
1102.00 USD
Buy Now
LT1766EGN-5#TRPBF0
25003.90 USD
Buy Now
LT1766EFE-5#TRPBF0
25004.60 USD
Buy Now
LT1766IGN-5#TRPBF0
25004.63 USD
Buy Now
LT1766IGN#TRPBF0
25004.63 USD
Buy Now
LT1766IFE#TRPBF0
25005.45 USD
Buy Now
LT1766IFE-5#TRPBF0
25005.45 USD
Buy Now
LT1766HFE#TRPBF0
25005.74 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT1766EFE#PBF1
112.08 USD
258.59 USD
1007.07 USD
Buy Now
LT1766IFE#PBF567
113.91 USD
259.90 USD
1008.15 USD
Buy Now
LT1766IGN#PBF0
114.07 USD
259.34 USD
1007.01 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT1766EFE-5#PBF0Buy Now
LT1766EFE#PBF0Buy Now
LT1766EGN#PBF0Buy Now
LT1766IFE#PBF570Buy Now
LT1766IGN#PBF0Buy Now

Mouser-Electronics (10)

ProductStockPriceBuy
LT1766IGN-5#PBF130
19.48 USD
108.69 USD
256.29 USD
1004.80 USD
Buy Now
LT1766EGN#PBF132
17.76 USD
107.11 USD
255.15 USD
1003.94 USD
Buy Now
LT1766IFE#PBF90
19.36 USD
108.59 USD
256.65 USD
1005.48 USD
Buy Now
LT1766HFE#PBF45
19.89 USD
109.08 USD
257.01 USD
1005.78 USD
Buy Now
LT1766EFE#PBF520
17.89 USD
107.24 USD
255.61 USD
1004.61 USD
Buy Now
LT1766IGN#PBF43
19.48 USD
108.69 USD
256.29 USD
1004.80 USD
Buy Now
LT1766EGN-5#PBF15
17.76 USD
107.11 USD
255.15 USD
1003.94 USD
Buy Now
LT1766IGN#TRPBF2498 On Order
110.75 USD
109.98 USD
259.59 USD
1005.70 USD
2505.21 USD
25004.86 USD
Buy Now
LT1766EFE-5#PBF190 On Order
17.89 USD
107.24 USD
255.61 USD
1004.61 USD
Buy Now
LT1766IFE-5#PBF190 On Order
19.36 USD
108.59 USD
256.65 USD
1005.48 USD
Buy Now
LT1766EFE#TRPBFNone
19.14 USD
108.48 USD
258.14 USD
1005.66 USD
2505.19 USD
25004.71 USD
Buy Now
LT1766IGN-5#TRPBFNone
110.75 USD
109.98 USD
259.59 USD
1005.70 USD
2505.21 USD
25004.86 USD
Buy Now
LT1766EGN#TRPBFNone
25004.00 USD
Buy Now
LT1766EFE-5#TRPBFNone
25004.71 USD
Buy Now
LT1766HFE#TRPBFNone
25005.89 USD
Buy Now
LT1766IFE#TRPBFNone
25005.59 USD
Buy Now
LT1766EGN-5#TRPBFNone
25004.00 USD
Buy Now
LT1766IFE-5#TRPBFNone
25005.59 USD
Buy Now

RS Components (5)

ProductStockPriceBuy
LT1766EFE-5#PBF97Buy Now
LT1766EFE#PBF28Buy Now
LT1766EGN#PBF69Buy Now
LT1766IFE#PBF41Buy Now
LT1766IGN#PBF49Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT1766EGN#PBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT1766EGNPBF30Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LT1766IFE#PBF3Buy Now

Available Distributors without stock: 1

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 9

Digi-Key

ProductStockPriceBuy
LT1766EGN#PBF 3363
1003.06 €
254.05 €
16.09 €
Buy Now
LT1766EGN#TRPBF 2500
25003.14 €
Buy Now
LT1766EGN#TRPBF 2500
2503.45 €
1003.77 €
256.20 €
16.94 €
Buy Now
LT1766EGN#TRPBF 2500
2503.45 €
1003.77 €
256.20 €
16.94 €
Buy Now
LT1766EFE#TRPBF 1398
2504.08 €
1004.45 €
256.40 €
17.17 €
Buy Now
LT1766EFE#TRPBF 1398
2504.08 €
1004.45 €
256.40 €
17.17 €
Buy Now
LT1766IFE#PBF 599
1004.31 €
255.23 €
17.35 €
Buy Now
LT1766IGN-5#PBF 560
1003.65 €
254.94 €
17.44 €
Buy Now
LT1766EGN-5#PBF 550
1003.06 €
254.05 €
16.09 €
Buy Now
LT1766EFE-5#PBF 81
1003.63 €
254.41 €
16.20 €
Buy Now
LT1766IFE-5#PBF 57
1004.31 €
255.23 €
17.35 €
Buy Now
DC326C 4
182.20 €
Buy Now
LT1766EFE#TRPBF 0
25003.71 €
Buy Now
LT1766EFE#PBF 0
1003.63 €
254.41 €
16.20 €
Buy Now
LT1766IGN#PBF 0
1003.65 €
254.94 €
17.44 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT1766IGN-5#PBF 132
19.24 $
108.47 $
256.13 $
1004.53 $
Buy Now
LT1766EGN#PBF 132
17.57 $
106.94 $
255.02 $
1003.79 $
Buy Now
LT1766IFE#PBF 90
19.14 $
108.38 $
256.49 $
1005.34 $
Buy Now
LT1766HFE#PBF 45
19.65 $
108.85 $
256.84 $
1005.64 $
Buy Now
LT1766EFE#PBF 45
17.70 $
107.06 $
255.47 $
1004.50 $
Buy Now
LT1766IGN#PBF 43
19.24 $
108.47 $
256.13 $
1004.53 $
Buy Now
LT1766EGN-5#PBF 15
17.57 $
106.94 $
255.02 $
1003.79 $
Buy Now
LT1766IGN#TRPBF 0
110.49 $
109.73 $
259.35 $
1005.56 $
2505.09 $
Buy Now
LT1766EFE-5#PBF 0
17.70 $
107.06 $
255.47 $
1004.50 $
Buy Now
LT1766IFE-5#PBF 0
19.14 $
108.38 $
256.49 $
1005.34 $
Buy Now
LT1766EFE#TRPBF 0
18.91 $
108.27 $
257.94 $
1005.52 $
2505.06 $
Buy Now
LT1766IGN-5#TRPBF 0
110.49 $
109.73 $
259.35 $
1005.56 $
2505.09 $
Buy Now
LT1766EGN#TRPBF 0
25003.90 $
Buy Now
LT1766EFE-5#TRPBF 0
25004.60 $
Buy Now
LT1766HFE#TRPBF 0
25005.74 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1766EGN 32 Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1766IFE#PBF 3
110.90 $
310.10 $
108.61 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1766IFEPBF 120
LT1766EGN 99

element14 Asia-Pacific

ProductStockPriceBuy
LT1766IFE#PBF 567
111.13 $
257.92 $
1006.52 $
Buy Now
LT1766EFE#PBF 1
19.66 $
256.87 $
1005.65 $
Buy Now
LT1766EFE-5#PBF 4
19.38 $
256.67 $
1005.48 $
Buy Now
LT1766IGN#PBF 0
111.26 $
257.47 $
1005.60 $
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
LT1766IFE#PBF 570
16.97 GBP
106.10 GBP
254.34 GBP
504.17 GBP
1004.01 GBP
Buy Now
LT1766EFE#PBF 0
15.93 GBP
105.41 GBP
253.85 GBP
503.74 GBP
1003.63 GBP
Buy Now
LT1766EFE-5#PBF 0
16.29 GBP
105.76 GBP
255.33 GBP
504.89 GBP
1004.46 GBP
Buy Now
LT1766IGN#PBF 0
16.82 GBP
106.29 GBP
254.18 GBP
504.08 GBP
1003.97 GBP
Buy Now
show stock=0hide stock=0

Schukat electronic

ProductStockPriceBuy
LT1766EGNPBF 30
16.10 €
104.75 €
504.30 €
1004.15 €
Buy Now

RS Components

ProductStockPriceBuy
LT1766EGN#PBF 69
105.66 GBP
255.59 GBP
505.50 GBP
755.43 GBP
Buy Now
LT1766IFE#PBF 41
105.26 GBP
504.81 GBP
1004.53 GBP
2004.41 GBP
Buy Now
LT1766EFE-5#PBF 97
105.68 GBP
255.62 GBP
505.54 GBP
755.48 GBP
Buy Now
LT1766IGN#PBF 49
106.82 GBP
256.11 GBP
505.75 GBP
755.68 GBP
Buy Now
LT1766EFE#PBF 28
105.68 GBP
255.08 GBP
504.79 GBP
754.70 GBP
Buy Now

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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