The UC3910DTR is a supervisor IC for power supply support — the kind of part that monitors a voltage rail and asserts a reset or fault signal when the supply drops outside a tolerance window. It is the watchdog between the regulator and the downstream logic, sized for board-level supervision in systems that need a clean, deterministic power-on and power-off sequence.
UC3910DTR IC SUPERVISOR PWR SUP SUPPORT, Active, ROHS3
MPNUC3910DTR
End of Life
UC3910DTR, IC SUPERVISOR PWR SUP SUPPORT, ROHS3 Compliant, Active lifecycle, Bulk packaging.
$1.97Ref. price · indicative, final on quote
RoHSROHS3 Compliant
Series*
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
Product details
Frequently asked questions
What is the UC3910DTR used for?
The UC3910DTR is a supervisor IC for power supply support, used to monitor voltage rails and assert reset or fault signals in systems requiring reliable power sequencing.
What is the UC3910DTR replacement or equivalent?
No official replacement or second-source alternate is recorded for the UC3910DTR. For a functionally similar reset IC, the TLV803EA29VDBZR (active-low, open-drain output, 130 ms timeout) is a common cross-shop candidate, but verify pin compatibility and threshold voltage against your rail before substituting.