MAX6361PUT31+ Maxim Integrated Integrated Circuit (SOT23 (6-Pin)) In Stock
Maxim MAX6361PUT31+ is a dual-channel processor supervisor IC supporting 2.5 V, 3.3 V, and 5 V rails with active-low open-drain reset output, watchdog timer, and battery backup switch in a 6-pin SOT-23 package. Available from stock with worldwide shipping.
- Manufacturer
- Maxim Integrated
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- MAX6361PUT31+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MAX6361PUT31+?
- Dual-channel voltage supervision across 2.5 V, 3.3 V, and 5 V rails with active-low open-drain reset output for flexible microprocessor interfacing
- Integrated watchdog timer and manual reset input provide complete system reliability monitoring without external components
- Battery backup switch function enables seamless transition to backup power, extending system uptime during main supply dropout events
What is MAX6361PUT31+ used for?
The MAX6361PUT31+ is ideal for supervising microcontroller and processor power rails in embedded systems, industrial controllers, and portable devices that require robust reset management across multiple supply voltages. Its watchdog timer ensures the host processor restarts automatically if firmware locks up, while the battery backup switch maintains critical memory or RTC functions during a primary supply failure. The compact 6-pin SOT-23 package minimizes board area consumption in space-constrained designs operating from 2.5 V to 5 V.
What are the specifications of MAX6361PUT31+?
| Manufacturer Package Code | 6-SOT_23-N/A |
| Date Of Intro | 2000-01-03 |
| YTEOL | 9 |
| Additional Feature | BAT BUP SW:Y;MNL RST:Y;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:Y;WWD:N |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Nom (Vsup) | 2.38V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +3.08V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX6361PUT31+ datasheet?
MAX6361PUT31+ Datasheet DownloadOfficial datasheet from Maxim Integrated
What are equivalent replacements for MAX6361PUT31+?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which supply voltages can MAX6361PUT31+ monitor and what reset threshold accuracy does it provide?
The MAX6361PUT31+ supports supervision of 2.5 V, 3.3 V, and 5 V supply rails. It monitors 2 channels simultaneously and asserts an active-low open-drain reset output when a monitored rail drops below its preset threshold. The factory-trimmed thresholds offer accurate undervoltage detection without external resistor dividers, simplifying board design in dual-supply embedded systems.
How does the watchdog timer in MAX6361PUT31+ protect against processor lockup in industrial control applications?
The MAX6361PUT31+ includes an integrated watchdog timer that requires the host processor to toggle a dedicated input within a set timeout window, typically between 1 ms and 1.6 seconds depending on the variant. If the processor fails to service the watchdog due to a firmware hang or infinite loop, the IC asserts the active-low reset output in the 6-pin SOT-23 package, forcing a clean system restart to restore normal operation.
When is MAX6361PUT31+ a better choice than a discrete comparator solution for battery backup switching?
The MAX6361PUT31+ integrates a battery backup switch, a voltage supervisor, and a watchdog timer within a single 6-pin SOT-23 package, eliminating the need for 3 to 5 discrete components. A discrete comparator solution for battery backup switching requires a separate comparator, reference, MOSFET, and timing circuit, consuming significantly more board area and adding assembly complexity. At operating voltages from 2.5 V to 5 V, the MAX6361PUT31+ provides a more reliable and cost-effective integrated alternative.
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