Microchip Technology MCP1825ST-1202E/DB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.66 | $0.66 |
| 15+ | $0.63 | $9.45 |
| 25+ | $0.62 | $15.50 |
| 50+ | $0.59 | $29.50 |
| 100+ | $0.52 | $52.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1.2V |
| 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 | - |
| Protection Features | Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-3 |
| ROHS |
The Microchip MCP1825ST-1202E/DB is a fixed 1.2V low dropout linear regulator capable of delivering 500mA. Its low 0.35V dropout voltage and 220 µA quiescent current make it an efficient solution for powering low-voltage digital cores. The SOT-223-3 package offers good thermal performance, and the 60dB PSRR at 100Hz ensures clean power for sensitive applications.
- Low Dropout: 0.35V at 500mA enables operation from a 1.55V input, reducing power dissipation.
- Stable Low-Voltage Output: Fixed 1.2V output is ideal for modern digital ICs.
- Good Noise Rejection: 60dB PSRR at 100Hz filters mains-frequency noise.
- Thermally Efficient: SOT-223-3 package dissipates heat effectively for 500mA loads.
FPGA and CPLD Core Supplies
The 1.2V output and 500mA capability make it suitable for powering the core logic of low-power FPGAs and CPLDs, with a low 0.35V dropout for efficient operation.
DDR Memory Termination
Provides a stable 1.2V rail for DDR2/DDR3 memory termination, ensuring signal integrity with its 60dB PSRR at 100Hz to filter low-frequency noise.
Digital Signal Processors
Ideal for DSPs that require a 1.2V core supply, offering clean power and fast transient response for demanding processing tasks.
High-Performance MCUs
Powers the 1.2V core of advanced microcontrollers, maintaining stable operation with its low dropout and 220 µA quiescent current.
Portable Instrumentation
Used in battery-powered test equipment where a precise 1.2V reference is needed for analog-to-digital converters and sensors.
Networking Processors
Regulates down to 1.2V for network processors and switch ASICs, providing a reliable low-voltage supply in high-density equipment.
- Q: What is the output voltage of the MCP1825ST-1202E/DB?
- A: It provides a fixed 1.2V output.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V plus dropout up to a maximum of 6V.
- 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 available in a SOT-223-3 package.
- Q: What is the output voltage of the MCP1825ST-1202E/DB?
- A: It provides a fixed 1.2V output.
- Q: What is the maximum output current?
- A: The maximum output current is 500mA.
- Q: What is the input voltage range?
- A: The input voltage can range from 1.2V plus dropout up to a maximum of 6V.
- 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 available in a SOT-223-3 package.

MCP1825ST-1202E/DB.pdf