ADP2138-1,5 Buck Converter overview
Description
ADP2138-1,5 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 1.50 V to 1.50 V output voltage.
It requires are a typical inductor size of 1.00 µH, a typical external component count of 3 and achieves a peak efficiency of 95 %. Further ADP2138-1,5 characteristics are a fixed 3000 kHz switching frequency and 1 available package option(s): WLCSP-6 .
Parameter overview and features with replacement search
For the ADP2138-1,5 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. | 2.30 V | |
| V-IN max. | 5.50 V | |
| I-OUT? | 0.80 A | |
| V-OUT min. | 1.50 V | |
| V-OUT max. | 1.50 V | |
| V-OUT | 1.500 V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 3000 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. | 30 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 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 95 % | |
| Component count min. | 3 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | WLCSP-6 | |
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
ADP2138-1,5 Datasheet
Link to the most up-to-date ADP2138-1,5 datasheet and the product page for EVM, tools and support information.
ADP2138-1,5 Sample stock and distributor price breaks
ADP2138-1,5 prices and online available distributors.
Available Distributors with stock: 2
DIGI-KEY (6)
| Product | Stock | Price | Buy | ||||||||||
| ADP2138ACBZ-1.0-R7 | 3000 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.0-R7 | 6707 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.0-R7 | 6707 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.8-R7 | 3000 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.8-R7 | 5106 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.8-R7 | 5106 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.2-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.2-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.2-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-0.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-0.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-0.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-1.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.5-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-2.8-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-3.0-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-3.0-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-3.0-R7 | 0 |
| Buy Now | ||||||||||
| ADP2138ACBZ-3.3-R7 | 0 |
| Buy Now |
Mouser-Electronics (4)
| Product | Stock | Price | Buy | ||||||||||||||||
| ADP2138ACBZ-1.8-R7 | 2985 |
| Buy Now | ||||||||||||||||
| ADP2138CB-1.8EVALZ | 2 |
| Buy Now | ||||||||||||||||
| ADP2138CB-2.8EVALZ | 2 |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-1.0-R7 | 2992 |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-1.5-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-2.8-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-3.0-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-3.3-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-2.5-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-1.2-R7 | None |
| Buy Now | ||||||||||||||||
| ADP2138ACBZ-0.8-R7 | None |
| Buy Now |
Available Distributors without stock: 5
AVNET-AMERICAS (0)
AVNET-ASIA (0)
AVNET-EUROPE (0)
Element14 (0)
NEWARK (0)
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to ADP2138-1,5. Optional, compare ADP2138-1,5 side-by-side with other Buck Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of ADP2138-1,5.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744028001 | 1.0 | 1.8 | 1.5 | 65.00 | 2.8 x 2.8 x 1.2 | |
| 744029001 | 1.0 | 2.2 | 1.6 | 45.00 | 2.8 x 2.8 x 1.5 | |
| 744030001 | 1.2 | 1.0 | 1.1 | 95.00 | 3.3 x 3.5 x 1.05 | |
| 744031001 | 1.5 | 1.8 | 1.6 | 40.00 | 3.8 x 3.8 x 1.8 | |
| 744031010 | 1.0 | 2.0 | 1.6 | 26.00 | 3.8 x 3.8 x 1.8 | |
| 74479262210 | 1.0 | 1.2 | 1.7 | 170.00 | 1.6 x 0.8 x 0.8 | |
| 74479776210 | 1.0 | 1.4 | 1.0 | 90.00 | 2 x 1.6 x 1 | |
| 74479787210B | 1.0 | 2.0 | 1.2 | 60.00 | 2.5 x 2 x 1 | |
| 74479787215A | 1.5 | 1.9 | 1.1 | 70.00 | 2.5 x 2 x 1 | |
| 74479876210 | 1.0 | 1.5 | 1.5 | 70.00 | 2 x 1.6 x 1 | |
| 74479887210A | 1.0 | 1.6 | 1.0 | 100.00 | 2.5 x 2 x 1 | |
| 74479889210 | 1.0 | 2.0 | 2.0 | 85.00 | 2.5 x 2 x 1.2 | |
| 74479976215 | 1.5 | 1.6 | 1.9 | 100.00 | 2 x 1.6 x 0.5 |
