Microchip Technology MIC5209-3.0YU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.56 | $9.56 |
| 15+ | $2.20 | $33.00 |
| 25+ | $2.15 | $53.75 |
| 50+ | $2.03 | $101.50 |
| 100+ | $1.79 | $179.00 |
| N+ | $0.36 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.6V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 170 μA |
| Current - Supply (Max) | 25 mA |
| PSRR | 75dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263-5 |
| ROHS |
The MIC5209-3.0YU from Microchip Technology is a fixed 3.0V LDO linear regulator capable of delivering 500mA. It features a low dropout voltage of 0.6V and a quiescent current of 170 μA, balancing performance and efficiency. With a high PSRR of 75dB at 120Hz, it ensures clean, stable power for noise-sensitive applications. The TO-263-5 package provides excellent thermal management for demanding loads.
- High Ripple Rejection: The 75dB PSRR at 120Hz ensures a clean output, ideal for audio and precision analog circuits.
- Robust Thermal Performance: The TO-263-5 package efficiently dissipates heat, ensuring reliability at full 500mA load.
- Low Dropout: The 0.6V dropout voltage allows operation with smaller input-output voltage margins, reducing power dissipation.
- Stable Fixed Output: The fixed 3.0V output simplifies design and requires no external resistor divider.
High-Power LED Drivers
The 500mA output capability and low dropout voltage make it suitable for driving high-brightness LEDs in automotive and industrial lighting.
Post-Regulation for Switching Supplies
Its high PSRR of 75dB at 120Hz effectively cleans the output of a DC-DC converter, providing a low-noise rail for audio or RF circuits.
Networking Equipment
Provides a stable 3.0V supply for FPGAs and ASICs in routers and switches, where consistent voltage is critical for signal integrity.
Battery-Powered Instrumentation
The low quiescent current and fixed output simplify design in portable meters and test equipment, maximizing operational life.
Consumer Electronics
Ideal for powering sensors and microcontrollers in smart home devices, offering a reliable and cost-effective power solution.
Industrial Control Systems
The TO-263-5 package ensures efficient heat dissipation, making it reliable for continuous operation in industrial control panels.
- Q: What is the fixed output voltage?
- A: The MIC5209-3.0YU provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: This regulator can supply up to 500mA of output current.
- Q: What is the input voltage range?
- A: The device requires an input voltage of at least 3V.
- Q: What is the dropout voltage?
- A: The dropout voltage is a low 0.6V at the full 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 170 μA, making it suitable for battery-operated equipment.
- Q: What package is available?
- A: It is available in the TO-263-5 package, which offers excellent thermal performance.
- Q: What is the fixed output voltage?
- A: The MIC5209-3.0YU provides a fixed 3.0V output.
- Q: What is the maximum output current?
- A: This regulator can supply up to 500mA of output current.
- Q: What is the input voltage range?
- A: The device requires an input voltage of at least 3V.
- Q: What is the dropout voltage?
- A: The dropout voltage is a low 0.6V at the full 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 170 μA, making it suitable for battery-operated equipment.
- Q: What package is available?
- A: It is available in the TO-263-5 package, which offers excellent thermal performance.

MIC5209-3.0YU.pdf