Microchip Technology MCP1825-1802E/AT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.43 | $1.43 |
| 15+ | $1.39 | $20.85 |
| 25+ | $1.36 | $34.00 |
| 50+ | $1.28 | $64.00 |
| 100+ | $1.13 | $113.00 |
| N+ | $0.23 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.35V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 220 µA |
| Current - Supply (Max) | - |
| PSRR | 60dB (100Hz) |
| Control Features | Enable, Power Good |
| Protection Features | Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-220-5 |
| Supplier Device Package | TO-220-5 |
| ROHS |  |
The Microchip MCP1825-1802E/AT is a fixed 1.8V, 500mA low dropout linear regulator in a TO-220-5 package. It features a low dropout voltage of 0.35V at full load and a low 220µA quiescent current, making it ideal for battery-powered and energy-efficient designs. With 60dB PSRR at 100Hz, it provides clean, stable power for noise-sensitive analog and digital circuits. The TO-220 package offers excellent thermal performance for demanding applications.
- Precise 1.8V Regulation: Delivers a stable 1.8V rail with 0.35V dropout, ideal for low-voltage digital and mixed-signal ICs.
- Low Quiescent Current: 220µA quiescent current extends battery life in portable and IoT applications.
- High PSRR: 60dB rejection at 100Hz minimizes power supply noise, ensuring clean power for sensitive circuits.
- Thermally Efficient Package: TO-220-5 package dissipates heat effectively, supporting continuous 500mA operation.
Powering 1.8V Logic and Memory
The 1.8V output is standard for DDR memory, low-voltage logic, and modern MCUs. The 500mA capability ensures stable power for these components.
Battery-Powered Wearables
With a low 220µA quiescent current, this regulator is ideal for fitness trackers, smartwatches, and medical patches that require a 1.8V rail for their processor and sensors.
Noise-Sensitive Analog Front Ends
The 60dB PSRR at 100Hz provides clean power for precision analog-to-digital converters and sensor signal conditioning circuits operating at 1.8V.
Networking and Communication Modules
For Wi-Fi, Bluetooth, and Zigbee modules that use 1.8V I/O, this LDO delivers stable power, reducing communication errors and improving link reliability.
Industrial IoT Gateways
In industrial IoT applications, this regulator powers 1.8V cores in gateways and edge processors, ensuring reliable operation in harsh electrical environments.
Portable Test and Measurement Equipment
The low dropout and high current capability make it suitable for battery-powered oscilloscopes, multimeters, and data loggers requiring a stable 1.8V supply.
- Q: What is the output voltage of the MCP1825-1802E/AT?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 6.0V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 220 µA.
- Q: What package is available?
- A: This LDO is offered in the TO-220-5 package.
MCP1825-1802E/AT.pdf
- Q: What is the output voltage of the MCP1825-1802E/AT?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of continuous current.
- Q: What is the input voltage range?
- A: The input voltage range is from 1.8V up to 6.0V (absolute maximum).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 220 µA.
- Q: What package is available?
- A: This LDO is offered in the TO-220-5 package.
