RP400x221A-B Boost Converter Overview
Description
RP400x221A-B is a 2.20 V, 0.90 A switch current limit non-sync Boost Converter from . The input voltage from 0.90 V to 5.50 V can be boosted into an output voltage ranging from 2.20 V to 2.20 V.
Features of the Boost Converter are fixed 700 kHz switching frequency, a typical inductor size of 6.8 µH and it offers a peak efficiency of up to 92 %. The minimum external component count is 4 and RP400x221A-B is available in 2 package option(s): SOT23-5 DFN-6 .
Feature and parameter overview with replacement search
For RP400x221A-B 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.
RP400x221A-B Datasheet
Link to the most up-to-date RP400x221A-B datasheet and the product page for EVM, tools and support information.
RP400x221A-B Price breaks and distributor sample stock
RP400x221A-B prices and available online distributors.
Available Distributors with stock: 0
Available Distributors without stock: 1
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Alternatives and equivalents
The following DC/DC Boost Converter are similar to RP400x221A-B. Optional, compare RP400x221A-B side-by-side with other Boost Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | RP401-x221A-B-C |  RP401-x221A-B-C product overview |
Ricoh | SOT23-5, DFN-6 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP400x221A-B.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74402500072 | 0.7 | 3.0 | 4.0 | 23.50 | 2.8 x 2.8 x 3 | |
| 744040240068 | 0.7 | 2.5 | 3.5 | 35.00 | 2.5 x 2 x 1.2 | |
| 74404041010 | 1.0 | 2.5 | 3.4 | 41.00 | 4 x 4 x 1.2 | |
| 74404042010 | 1.0 | 3.2 | 4.8 | 27.00 | 4 x 4 x 1.8 | |
| 74404052010 | 1.0 | 3.9 | 5.5 | 19.80 | 5 x 5 x 2 | |
| 74404300082 | 0.8 | 3.5 | 3.7 | 14.00 | 4.8 x 4.8 x 3 | |
| 744062001 | 1.0 | 4.8 | 4.6 | 10.00 | 6.8 x 6.8 x 2.5 | |
| 7440680010 | 1.0 | 2.8 | 3.3 | 32.00 | 8 x 8 x 1.2 | |
| 7440690010 | 1.0 | 3.6 | 3.8 | 21.00 | 8 x 8 x 1.5 | |
| 74407000082 | 0.8 | 6.2 | 5.5 | 8.50 | 8 x 8 x 2 | |
| 744089410068 | 0.7 | 3.4 | 6.5 | 22.10 | 4.8 x 4.8 x 2.1 | |
| 74408941010 | 1.0 | 3.0 | 5.4 | 29.50 | 4.8 x 4.8 x 2.1 | |
| 74408943010 | 1.0 | 3.3 | 6.5 | 19.00 | 4.8 x 4.8 x 4.1 | |
| 744383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
| 744383230082 | 0.8 | 2.6 | 4.3 | 53.00 | 2.5 x 2 x 1 | |
| 74438323010 | 1.0 | 2.5 | 4.0 | 63.00 | 2.5 x 2 x 1 | |
| 744383240068 | 0.7 | 3.2 | 5.9 | 45.00 | 2.5 x 2 x 1.2 | |
| 74438324010 | 1.0 | 2.8 | 4.9 | 49.00 | 2.5 x 2 x 1.2 | |
| 74438334010 | 1.0 | 2.8 | 6.6 | 42.10 | 3 x 3 x 1.2 | |
| 74438335010 | 1.0 | 2.7 | 4.5 | 39.00 | 3 x 3 x 1.5 | |
| 744383360068 | 0.7 | 4.5 | 6.2 | 22.00 | 3 x 3 x 2 | |
| 74438336010 | 1.0 | 4.0 | 5.0 | 26.00 | 3 x 3 x 2 | |
| 7447730 | 1.0 | 4.0 | 5.7 | 14.00 | 4 x 4.5 x 3.5 | |
| 744778001 | 1.0 | 5.4 | 6.4 | 9.00 | 7.3 x 7.3 x 3.4 | |
| 7447785001 | 1.0 | 3.5 | 4.5 | 31.00 | 5.9 x 6.2 x 3.3 | |
| 7447786001 | 1.0 | 5.0 | 5.5 | 28.00 | 5.9 x 6.2 x 5.1 | |
| 7447789001 | 1.0 | 5.4 | 6.4 | 10.00 | 7.3 x 7.3 x 3.5 | |
| 74479276168 | 0.7 | 2.5 | 3.4 | 45.00 | 2 x 1.6 x 1 | |
| 74479298210 | 1.0 | 2.5 | 4.0 | 45.00 | 3.2 x 2.5 x 1 | |
| 74479299210 | 1.0 | 3.0 | 5.2 | 38.00 | 3.2 x 2.5 x 1.2 | |
| 784383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
| 784383230082 | 0.8 | 2.6 | 4.3 | 53.00 | 2.5 x 2 x 1 | |
| 78438323010 | 1.0 | 2.5 | 4.0 | 63.00 | 2.5 x 2 x 1 | |
| 78438334010 | 1.0 | 2.8 | 6.6 | 42.10 | 3 x 3 x 1.2 | |
| 78438335010 | 1.0 | 2.7 | 4.5 | 39.00 | 3 x 3 x 1.5 | |
| 7847730 | 1.0 | 4.0 | 5.7 | 14.00 | 4 x 4.5 x 3.5 |
