Maxim Integrated MAX6339CUT Multi-Voltage Supervisor, 4-channel, Active Low, Open Drain/Open Collector outputs, 140 ms minimum reset timeout, SOT-23-6 package, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Type | Multi-Voltage Supervisor |
| Mounting type | Surface Mount |
| Voltage - threshold | 1.58V, 2.93V, 4.38V, Adj |
| Number of voltages monitored | 4 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Reset | Active Low |
| Output | Open Drain or Open Collector |
| Package | Bulk |
| Reset timeout | 140ms Minimum |
| Case | SOT-23-6 |
Rated for -40°C to 85°C ambient, the MAX6339CUT suits outdoor telecom cabinets, factory-floor PLCs, and engine-bay electronics where temperature swings are routine. The SOT-23-6 footprint is compact enough for space-constrained designs like sensor modules or distributed I/O nodes.
It is RoHS non-compliant (lead-bearing finish), so verify your assembly house's exemption policy if you are running a RoHS-exempt line.
It is a multi-voltage supervisor that monitors four supply rails — typically 1.5 V, 3.0 V, 5.0 V, and one adjustable rail — and holds the system in reset until all rails are stable. Common in industrial controllers, telecom equipment, and multi-rail embedded systems.
The MAX6339CUT+ is the lead-free (RoHS-compliant) variant of the same die in the same SOT-23-6 package. If your assembly process requires RoHS compliance, the + suffix version is the direct drop-in replacement.
The reset output is active-low, open-drain (open-collector). It pulls low when any monitored voltage falls below its threshold and releases after the 140 ms timeout once all rails are valid.