Microchip Technology MIC5209-3.3YS-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.53 | $1.53 |
| 15+ | $1.48 | $22.20 |
| 25+ | $1.45 | $36.25 |
| 50+ | $1.37 | $68.50 |
| 100+ | $1.21 | $121.00 |
| N+ | $0.24 | 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) | 16V |
| Voltage - Output (Min/Fixed) | 3.3V |
| 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 | - |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| 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 MIC5209-3.3YS-TR is a reliable, fixed 3.3V LDO linear regulator designed for a wide range of applications. It delivers up to 500mA of output current with a low dropout voltage of 0.6V. The device features a quiescent current of 170 µA and excellent PSRR of 75dB at 120Hz, making it ideal for noise-sensitive analog and digital circuits. Its wide input voltage range and robust SOT-223-3 package ensure versatility and thermal stability. This regulator is a trusted choice for post-regulation and battery-powered applications.
- High Ripple Rejection: 75dB PSRR at 120Hz effectively filters out mains-frequency noise.
- Robust Thermal Performance: SOT-223-3 package efficiently dissipates heat for reliable operation at 500mA.
- Wide Input Range: Supports inputs up to 16V, providing design flexibility.
- Proven Reliability: Microchip's established LDO design ensures stable and consistent performance.
Post-Regulation for Switching Supplies
Its high PSRR (75dB at 120Hz) makes it excellent for cleaning up noisy outputs from DC-DC converters in mixed-signal systems.
Battery-Powered Instruments
The 170 µA quiescent current and 500mA output make it suitable for handheld multimeters and portable test equipment.
Networking Peripherals
Provides a stable 3.3V rail for routers and switches, ensuring reliable operation of PHYs and controllers.
Industrial Sensor Interfaces
Its low noise and high accuracy make it ideal for powering analog sensor interfaces in industrial process control.
Consumer Set-Top Boxes
Delivers clean, regulated power to the main SoC and tuner circuits, improving overall system performance.
Telecom Line Cards
Used to power line driver ICs and control logic, with the SOT-223 package providing good thermal performance.
- Q: What is the fixed output voltage of the MIC5209-3.3YS-TR?
- A: This LDO provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to a typical maximum of 16V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.6V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 170 µA.
- Q: What package is available?
- A: It is available in the SOT-223-3 package.
- Q: What is the fixed output voltage of the MIC5209-3.3YS-TR?
- A: This LDO provides a fixed output voltage of 3.3V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 500mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 3.3V up to a typical maximum of 16V.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.6V at a 500mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 170 µA.
- Q: What package is available?
- A: It is available in the SOT-223-3 package.

MIC5209-3.3YS-TR.pdf