XR76108 Buck Converter overview
Description
XR76108 is a 22.00 V sync Buck Converter from with 8.00 A output current. The maximum 22.00 V input voltage can be regulated down into a 0.60 V to 18.00 V output voltage.
It requires are a typical inductor size of 1.00 µH, a typical external component count of 12 and achieves a peak efficiency of 96 %. Further XR76108 characteristics are a fixed 600 kHz switching frequency and 1 available package option(s): QFN-30 .
Parameter overview and features with replacement search
For the XR76108 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.
Parameter | Value | Replacement Search Filter |
V-IN min. | 4.50 V | |
V-IN max. | 22.00 V | |
I-OUT? | 8.00 A | |
V-OUT min. | 0.60 V | |
V-OUT max. | 18.00 V | |
V-OUT | adjustable V | |
V-OUT programmable | ![]() |
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sync/non-sync | sync | |
Frequency typ. | 600 kHz | |
Frequency | fixed | |
Frequency selectable | ||
ext.clock sync. | ![]() |
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Frequency adj./ ext.clock min. | ||
Frequency adj./ ext.clock max | ||
Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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Quiescent current max. | 1300 µA | |
Operating min. | ||
Operating max. | ||
Junction min. | -40 °C | |
Junction max. | 125 °C | |
thermal shutdown typ. | 150 °C | |
Inductor size typ. | 1.00 µH | |
Inductor suggested by Würth Elektronik | ||
Automotive AEC-Q100 | ![]() |
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Light-Load-Mode | ![]() |
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Topology | Buck | |
Peak Efficiency | 96 % | |
Component count min. | 12 | |
current limit adjustable | ![]() |
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Nr.of packages | 1 | |
CSP | ||
SC70 | ||
SOT | ||
MSOP | ||
QFN/DFN | QFN-30 | |
SO/SOIC | ||
SOP | ||
DIP | ||
TO | ||
DDPAK |
XR76108 Datasheet
Link to the most up-to-date XR76108 datasheet and the product page for EVM, tools and support information.
XR76108 Sample stock and distributor price breaks
XR76108 prices and online available distributors.


Available Distributors with stock: 0
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to XR76108. Optional, compare XR76108 side-by-side with other Buck Converter via the Comparison function.
Variation | Compare | Product | Manufacturer | Package | |
0% | XR76112 | ![]() |
Exar | QFN-30 | |
0% | XR76115 | ![]() |
Exar | QFN-30 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of XR76108.
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
744305040 | 0.4 | 28.0 | 20.0 | 0.16 | 13.5 x 13.3 x 5.2 | |
7443081040 | 0.4 | 38.0 | 21.0 | 0.29 | 9.4 x 6.2 x 8.1 | |
744310055 | 0.5 | 14.0 | 20.0 | 3.70 | 7 x 6.9 x 3.3 | |
744314047 | 0.5 | 18.0 | 20.0 | 1.35 | 7 x 6.9 x 5 | |
744316033 | 0.3 | 18.5 | 20.0 | 1.75 | 5.5 x 5.3 x 4.3 | |
744316047 | 0.5 | 15.0 | 16.0 | 2.75 | 5.5 x 5.3 x 4.3 | |
744373240033 | 0.3 | 8.0 | 16.5 | 7.80 | 4.45 x 4.06 x 2 | |
744373360047 | 0.5 | 8.3 | 20.0 | 6.40 | 5.7 x 5.2 x 3 | |
744383560033 | 0.3 | 9.6 | 12.4 | 6.00 | 4.1 x 4.1 x 2.1 | |
744383560056 | 0.6 | 8.5 | 10.8 | 7.00 | 4.1 x 4.1 x 2.1 | |
7447798050 | 0.5 | 18.5 | 18.0 | 2.20 | 10.2 x 10.2 x 6.4 |