EUP2477 Boost Converter Overview
Description
EUP2477 is a 5.50 V, 6.00 A switch current limit sync Boost Converter from . The input voltage from 1.80 V to 5.00 V can be boosted into an output voltage ranging from 2.50 V to 5.50 V.
Features of the Boost Converter are fixed 500 kHz switching frequency, a typical inductor size of 1.5 µH and it offers a peak efficiency of up to 95 %. The minimum external component count is 12 and EUP2477 is available in 1 package option(s): TQFN-10 .
Feature and parameter overview with replacement search
For EUP2477 replacement search, 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. | 1.80 V | |
V-IN max. | 5.00 V | |
Current-Limit typ.? | 6.00 A | |
V-OUT min. | 2.50 V | |
V-OUT max. | 5.50 V | |
VOUT | adjustable | |
VOUT programmable | ![]() |
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sync/non-sync | sync | |
Frequency typ. | 500 kHz | |
Frequency adjustable | fixed | |
Frequency selectable | ||
Frequency adj. min. | ||
Frequency adj. max. | ||
extern clock sync. | ![]() |
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Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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LBI/LBO | ![]() |
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Frequency sync. min. | ||
Frequency sync. max. | ||
Down Mode | ![]() |
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Quiescent current max. | 500 µA | |
Operating min. | -40 °C | |
Operating max. | 85 °C | |
Junction min. | ||
Junction max. | ||
thermal shutdown typ. | 160 °C | |
Inductor size typ. | 1.5 µH | |
Inductor suggested by Würth Elektronik | ||
Automotive AEC-Q100 | ![]() |
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Light-Load-Mode | ![]() |
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Topology | Boost | |
Peak Efficiency | 95 % | |
Component count min. | 12 | |
current limit adjustable | ![]() |
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Nr.of package options | 1 | |
CSP | ||
SC70 | ||
SOT | ||
MSOP | ||
QFN/DFN | TQFN-10 | |
SO/SOIC | ||
SOP | ||
DIP | ||
TO | ||
DDPAK |
EUP2477 Datasheet
Link to the most up-to-date EUP2477 datasheet and the product page for EVM, tools and support information.
EUP2477 Price breaks and distributor sample stock
EUP2477 prices and available online distributors.


Available Distributors with stock: 0
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to EUP2477. Optional, compare EUP2477 side-by-side with other Boost Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of EUP2477.
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
744305033 | 0.3 | 28.0 | 26.0 | 0.16 | 13.5 x 13.3 x 5.2 | |
744306025 | 0.3 | 26.0 | 32.0 | 0.30 | 10.5 x 10.3 x 5.5 | |
744306030 | 0.3 | 26.0 | 24.0 | 0.30 | 10.5 x 10.3 x 5.5 | |
744308033 | 0.3 | 27.0 | 30.0 | 0.37 | 10.1 x 7 x 7 | |
744308040 | 0.4 | 25.0 | 26.0 | 0.37 | 10.1 x 7 x 7 | |
7443081030 | 0.3 | 38.0 | 32.0 | 0.29 | 9.4 x 6.2 x 8.1 | |
7443081040 | 0.4 | 38.0 | 21.0 | 0.29 | 9.4 x 6.2 x 8.1 | |
744314024 | 0.2 | 20.0 | 28.0 | 1.00 | 7 x 6.9 x 5 | |
744325040 | 0.4 | 24.0 | 37.0 | 0.67 | 10.5 x 10.2 x 5 | |
7443340030 | 0.3 | 20.5 | 36.0 | 2.30 | 8.4 x 7.9 x 7.5 | |
744355230 | 0.3 | 22.0 | 35.0 | 1.10 | 10.5 x 10.2 x 4.2 | |
744373770033 | 0.3 | 24.0 | 35.0 | 0.88 | 13.5 x 12.6 x 3.5 |