MCP100-450HI/TO Microchip Integrated Circuit (Other) In Stock
The MCP100-450HI/TO is a single-channel processor supervisor and reset IC from Microchip supporting 3 V, 3.3 V, and 5 V systems with a fixed 4.5 V threshold. It generates a reset signal to hold microcontrollers in reset during power-up and brownout conditions. Housed in a 3-pin TO-92 package, it suits low-cost embedded system supervisory circuits.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- MCP100-450HI/TO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0416(MOQ 1)
- 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 MCP100-450HI/TO?
- Fixed 4.5 V supervisory threshold for monitoring 3 V, 3.3 V, and 5 V power rails
- Active-low reset output holds MCU in reset during brownout and power-up sequences
- Single-channel voltage supervisor with no external component required for basic reset function
- TO-92-3 through-hole package enabling easy hand-assembly and prototype board integration
- Pb-free RoHS-compliant construction (JESD-609 Code e3) for compliant product manufacturing
What is MCP100-450HI/TO used for?
The MCP100-450HI/TO is used as a power-on reset supervisor in microcontroller and microprocessor systems to ensure orderly startup and brownout protection on 3 V, 3.3 V, or 5 V supply rails. It is a simple, cost-effective solution for industrial controllers, consumer appliances, and embedded systems where a reliable reset signal is needed without additional passive components.
What are the specifications of MCP100-450HI/TO?
| Pbfree Code | Yes |
| Manufacturer Package Code | TO-92-3 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | O-PBCY-T3 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1,50 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.06mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 1V |
| Supply Voltage-Nom (Vsup) | 4.25V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Threshold Voltage-Nom | +4.38V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Philippines, Taiwan |
Where can I find the MCP100-450HI/TO datasheet?
MCP100-450HI/TO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP100-450HI/TO?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what supply voltage does MCP100-450HI/TO assert its reset output, and how does this protect a 3.3 V MCU system?
The MCP100-450HI/TO asserts its active-low reset output when the supply voltage falls below the 4.5 V supervisory threshold, keeping the MCU in reset during brownout or slow power ramp conditions. For a 3.3 V system powered from a 5 V rail, the device guarantees the MCU cannot execute spurious code until the 5 V rail is stable above 4.5 V.
How does the TO-92-3 package of MCP100-450HI/TO fit into prototype and low-volume PCB assembly workflows?
The TO-92-3 is a standard 3-pin through-hole package with a 1.52 mm lead pitch, making it compatible with breadboards, perfboards, and wave-soldered PCBs without any specialized SMT equipment. For low-volume or prototype builds, this package simplifies hand-assembly and rework compared to SOT-23 alternatives, while occupying only 3 pins on the board.
What lead time and lifecycle risk should procurement teams plan for when sourcing MCP100-450HI/TO in volume?
MCP100-450HI/TO carries a factory lead time of approximately 7 weeks and a YTEOL score of 8, suggesting moderate but manageable long-term supply availability. Procurement teams planning multi-year production runs should carry safety stock of at least 8 to 12 weeks to buffer against lead-time fluctuations common in the analog supervisor IC category.
Is MCP100-450HI/TO a suitable drop-in alternative to fixed-threshold supervisors like MAX803 in existing 5 V reset circuits?
The MCP100-450HI/TO with its 4.5 V trip threshold and active-low open-drain reset output is functionally comparable to fixed-threshold supervisors such as the MAX803 in 5 V reset applications. It offers a 3-pin TO-92 package, Pb-free construction, and a threshold suited for detecting undervoltage on a 5 V rail with a typical 200 ms to 300 ms reset timeout on power-up.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.0416 | $0.04 |
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