MAX1928-2.5 Buck Converter overview
Description
MAX1928-2.5 is a 5.50 V sync Buck Converter from with 0.80 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.50 V to 2.50 V output voltage.
It requires are a typical inductor size of 4.70 µH, a typical external component count of 7 and achieves a peak efficiency of 92 %. Further MAX1928-2.5 characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): µMAX-10 .
Parameter overview and features with replacement search
For the MAX1928-2.5 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. | 2.60 V | |
| V-IN max. | 5.50 V | |
| I-OUT? | 0.80 A | |
| V-OUT min. | 2.50 V | |
| V-OUT max. | 2.50 V | |
| V-OUT | 2.500 V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 1000 kHz | |
| Frequency | fixed | |
| Frequency selectable | ||
| ext.clock sync. | |
|
| Frequency adj./ ext.clock min. | ||
| Frequency adj./ ext.clock max | ||
| Softstart |  |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| Quiescent current max. | 240 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | 150 °C | |
| thermal shutdown typ. | 160 °C | |
| Inductor size typ. | 4.70 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 92 % | |
| Component count min. | 7 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | µMAX-10 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
MAX1928-2.5 Datasheet
Link to the most up-to-date MAX1928-2.5 datasheet and the product page for EVM, tools and support information.
MAX1928-2.5 Sample stock and distributor price breaks
MAX1928-2.5 prices and online available distributors.
Available Distributors with stock: 3
AVNET-AMERICAS (1)
| Product | Stock | Price | Buy | ||||||||||
| MAX1928EUB15+ | 0 |
| Buy Now | ||||||||||
| MAX1928EUB15+T | 5000 |
| Buy Now | ||||||||||
| MAX1928EUB18+ | 0 |
| Buy Now | ||||||||||
| MAX1928EUB18+T | 0 |
| Buy Now | ||||||||||
| MAX1928EUB25+ | 0 |
| Buy Now | ||||||||||
| MAX1928EUB25+T | 0 |
| Buy Now |
DIGI-KEY (3)
| Product | Stock | Price | Buy | ||||||||||||||
| MAX1928EUB15+ | 138 |
| Buy Now | ||||||||||||||
| MAX1928EUB25+ | 200 |
| Buy Now | ||||||||||||||
| MAX1928EUB18+ | 98 |
| Buy Now | ||||||||||||||
| MAX1928EUB15+T | 0 |
| Buy Now | ||||||||||||||
| MAX1928EUB18+T | 0 |
| Buy Now | ||||||||||||||
| MAX1928EUB25+T | 0 |
| Buy Now |
Mouser-Electronics (3)
Available Distributors without stock: 1
AVNET-EUROPE (0)
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to MAX1928-2.5. Optional, compare MAX1928-2.5 side-by-side with other Buck Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | ADP2120-2,5 |  ADP2120-2,5 product overview |
Analog Devices | QFN-10 | |
| 0% | TS30011-2.5 | TS30011-2.5 product overview |
Triune Systems | QFN-16 | |
| 0% | TS33001-2.5 | TS33001-2.5 product overview |
Triune Systems | QFN-16 | |
| 0% | TS30021-2.5 | TS30021-2.5 product overview |
Triune Systems | QFN-16 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1928-2.5.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744025003 | 3.3 | 1.5 | 1.8 | 85.00 | 2.8 x 2.8 x 3 | |
| 744025004 | 4.7 | 1.4 | 1.7 | 100.00 | 2.8 x 2.8 x 3 | |
| 744031003 | 3.6 | 1.4 | 1.1 | 66.00 | 3.8 x 3.8 x 1.8 | |
| 74404024033 | 3.3 | 1.4 | 1.3 | 120.00 | 2.5 x 2 x 1.2 | |
| 74404024047 | 4.7 | 1.1 | 1.2 | 175.00 | 2.5 x 2 x 1.2 | |
| 74404032033 | 3.3 | 1.5 | 1.5 | 70.00 | 3 x 3 x 1.5 | |
| 74404032047 | 4.7 | 1.3 | 1.2 | 96.00 | 3 x 3 x 1.5 | |
| 74404041033 | 3.3 | 1.8 | 2.1 | 69.00 | 4 x 4 x 1.2 | |
| 74404041047 | 4.7 | 1.6 | 1.9 | 91.00 | 4 x 4 x 1.2 | |
| 74404042047 | 4.7 | 1.7 | 2.2 | 70.00 | 4 x 4 x 1.8 | |
| 744042003 | 3.3 | 2.0 | 1.8 | 50.00 | 4.8 x 4.8 x 2 | |
| 7440420039 | 3.9 | 1.8 | 1.7 | 60.00 | 4.8 x 4.8 x 2 | |
| 744042004 | 4.7 | 1.7 | 1.7 | 70.00 | 4.8 x 4.8 x 2 | |
| 744042005 | 5.6 | 1.6 | 1.4 | 80.00 | 4.8 x 4.8 x 2 | |
| 744043003 | 3.3 | 2.2 | 1.8 | 30.00 | 4.8 x 4.8 x 3 | |
| 7440430039 | 3.9 | 1.7 | 1.7 | 50.00 | 4.8 x 4.8 x 3 | |
| 744043004 | 4.7 | 1.6 | 1.7 | 50.00 | 4.8 x 4.8 x 3 | |
| 744043005 | 5.6 | 1.4 | 1.3 | 70.00 | 4.8 x 4.8 x 3 | |
| 744045004 | 4.7 | 1.2 | 2.0 | 120.00 | 4.5 x 3.2 x 2.9 | |
| 7440450056 | 5.6 | 1.2 | 1.9 | 144.00 | 4.5 x 3.2 x 2.9 | |
| 7440520039 | 3.9 | 2.0 | 2.1 | 50.00 | 5.8 x 5.8 x 2 | |
| 744052005 | 5.0 | 1.7 | 1.8 | 50.00 | 5.8 x 5.8 x 2 | |
| 744053004 | 4.2 | 2.5 | 2.2 | 30.00 | 5.8 x 5.8 x 3 | |
| 7440530047 | 4.7 | 2.4 | 2.0 | 30.00 | 5.8 x 5.8 x 3 | |
| 744053005 | 5.3 | 2.3 | 1.9 | 30.00 | 5.8 x 5.8 x 3 | |
| 744062005 | 5.0 | 2.2 | 2.0 | 40.00 | 6.8 x 6.8 x 2.5 | |
| 7440680033 | 3.3 | 2.0 | 1.8 | 61.00 | 8 x 8 x 1.2 | |
| 7440680047 | 4.7 | 1.9 | 1.6 | 72.00 | 8 x 8 x 1.2 | |
| 7440680056 | 5.6 | 1.5 | 1.4 | 110.00 | 8 x 8 x 1.2 | |
| 7440690047 | 4.7 | 2.2 | 1.8 | 56.00 | 8 x 8 x 1.5 | |
| 7440700047 | 4.7 | 3.0 | 2.2 | 37.00 | 8 x 8 x 2 | |
| 7440700056 | 5.6 | 2.6 | 2.0 | 47.00 | 8 x 8 x 2 | |
| 74438323033 | 3.3 | 1.3 | 2.1 | 220.00 | 2.5 x 2 x 1 | |
| 74438323047 | 4.7 | 0.9 | 1.8 | 338.00 | 2.5 x 2 x 1 | |
| 74438324047 | 4.7 | 1.0 | 2.1 | 300.00 | 2.5 x 2 x 1.2 | |
| 74438324056 | 5.6 | 1.0 | 1.8 | 405.00 | 2.5 x 2 x 1.2 | |
| 74479888233 | 3.3 | 1.1 | 1.1 | 250.00 | 2.5 x 2 x 1 | |
| 74479889233 | 3.3 | 1.3 | 1.3 | 250.00 | 2.5 x 2 x 1.2 | |
| 78438323033 | 3.3 | 1.3 | 2.1 | 220.00 | 2.5 x 2 x 1 | |
| 78438323047 | 4.7 | 0.9 | 1.8 | 338.00 | 2.5 x 2 x 1 |
