The operating range covers most battery-powered equipment that isn't under the hood.
No end-of-life notice or last-time-buy is indicated. For BOM planning, it is a current-design-in part with no imminent obsolescence risk.
MAX77801EWP+T Buck-Boost Regulator, 2A, 20-WLP
MPNMAX77801EWP+T
End of Life
Analog Devices MAX77801EWP+T, IC REG BCK BST PROG 2A 20WLP, Step-Up/Step-Down, Buck-Boost topology, Programmable output, 2A output, 2.5MHz switching, Synchronous Rectifier, 20-WFBGA/WLBGA package, Tape & Reel (TR); Cut Tape (CT).
$1.88Ref. price · indicative, final on quote
Packaging20-WFBGA, WLBGA
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Output type | Programmable |
| Mounting | Surface Mount |
| Voltage - input | 5.5V |
| Voltage - output | 4.19V |
| Voltage - output (Min (Fixed)) | 2.6V |
| Output current | 2A |
| Frequency - switching | 2.5MHz |
| I/O channels | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Step-Up/Step-Down |
| Topology | Buck-Boost |
| Case | 20-WFBGA, WLBGA |
| Output configuration | Positive |
| Synchronous rectifier | Yes |
Product details
Frequently asked questions
Is the MAX77801EWP+T a synchronous buck-boost converter?
Yes, it uses synchronous rectification, which improves efficiency by replacing the freewheeling diode with a low-resistance FET.