LT1766-5.0 Buck Converter overview

Description

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LT1766-5.0 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 5.00 V to 5.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 9 and achieves a peak efficiency of 90 %. Further LT1766-5.0 characteristics are a fixed 200 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT1766-5.0 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. 5.00 V
V-OUT max. 5.00 V
V-OUT 5.000 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. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT1766-5.0 Datasheet

Link to the most up-to-date LT1766-5.0 datasheet and the product page for EVM, tools and support information.

LT1766-5.0

LT1766-5.0 Sample stock and distributor price breaks

LT1766-5.0 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT1766 stock available

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 LT1766-5.0. Optional, compare LT1766-5.0 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX5090-5 MAX5090-5 product overviewMAX5090-5 product overview Maxim TQFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1766-5.0.

V-IN max. 60 V, I-OUT 1.2 A, V-OUT min. 5 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404064470 47.0 1.2 1.5 200.00 6 x 6 x 4.5
74404084470 47.0 1.6 1.9 136.00 8 x 8 x 4.2
744066470 47.0 1.8 1.9 121.00 10 x 10 x 4.1
74437349470 47.0 1.5 2.5 290.00 7.3 x 6.6 x 5
74437349560 56.0 1.4 2.0 342.00 7.3 x 6.6 x 5
744732470 47.0 1.8 1.9 114.00 9 x 9 x 8
7447471470 47.0 3.0 2.5 74.00 10.5 x 10.5 x 11.5
744770147 47.0 2.7 3.0 76.00 12 x 12 x 8
744770156 56.0 2.4 2.9 85.00 12 x 12 x 8
744771139 39.0 2.5 2.7 57.00 12 x 12 x 6
744771147 47.0 2.2 2.6 72.00 12 x 12 x 6
744771156 56.0 2.0 2.4 87.00 12 x 12 x 6
7447713470 47.0 1.2 1.9 207.00 10 x 10 x 3
7447714470 47.0 2.2 2.5 82.50 10 x 10 x 5
7447714560 56.0 2.0 2.3 101.00 10 x 10 x 5
7447715470 47.0 2.0 2.1 105.00 12 x 12 x 4.5
744772390 39.0 2.5 2.5 70.00 7.8 x 7.8 x 10
744772470 47.0 2.3 2.5 88.80 7.8 x 7.8 x 10
744772560 56.0 2.0 2.4 109.50 7.8 x 7.8 x 10
744776139 39.0 1.6 1.8 98.30 9 x 10 x 5.9
744776147 47.0 1.5 1.6 95.10 9 x 10 x 5.9
744776156 56.0 1.4 1.5 112.00 9 x 10 x 5.9
784771470 47.0 2.3 2.5 64.00 12 x 12 x 8.3
784776139 39.0 1.6 1.8 98.00 9 x 10 x 5.9
784776147 47.0 1.5 1.6 95.00 9 x 10 x 5.9
784776156 56.0 1.4 1.5 112.00 9 x 10 x 5.9
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