Microchip Technology MIC5209-1.8YM-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) | 1.8V |
| 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 | 0°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| ROHS |
The MIC5209-1.8YM-TR is a high-performance low dropout linear regulator from Microchip Technology, delivering a fixed 1.8V output at up to 500mA. Its low 170µA quiescent current and 0.6V dropout voltage make it an efficient choice for battery-operated and power-sensitive applications. With 75dB PSRR at 120Hz, it effectively suppresses input ripple, ensuring clean power for sensitive electronics. Housed in an 8-SOIC package, this regulator offers a compact solution for space-constrained designs.
- Extended Battery Life: Ultra-low 170µA quiescent current minimizes standby power consumption, ideal for portable devices.
- High Noise Rejection: 75dB PSRR at 120Hz filters out ripple, providing clean power for sensitive analog and digital circuits.
- Low Dropout Operation: 0.6V dropout at 500mA allows operation from nearly depleted batteries, maximizing usable energy.
- Robust Current Delivery: 500mA output capability supports a wide range of loads, from microcontrollers to RF modules.
Battery-Powered Devices
The low 170 µA quiescent current and 0.6V dropout make it ideal for extending battery life in portable electronics, where maintaining a stable 1.8V rail is critical as the battery voltage declines.
FPGA and DSP Core Supplies
Modern FPGAs and DSPs require precise 1.8V core voltages. The MIC5209-1.8YM-TR provides clean, stable power with 75dB PSRR at 120Hz, reducing noise-induced logic errors.
Automotive Infotainment Systems
With a wide operating temperature range and robust 500mA output, this regulator can power sensors and microcontrollers in automotive infotainment clusters, ensuring reliable operation under varying load conditions.
Industrial Control Interfaces
For industrial sensors and PLCs, the low dropout voltage ensures consistent 1.8V supply even with noisy or sagging input rails, improving measurement accuracy and system reliability.
Networking Equipment
In routers and switches, the MIC5209-1.8YM-TR powers PHY transceivers and control logic, where its high PSRR filters out switching noise from adjacent DC-DC converters.
Medical Monitoring Devices
The low noise and stable output make it suitable for portable medical monitors that require a precise 1.8V analog supply for signal conditioning circuits.
- Q: What is the output voltage of the MIC5209-1.8YM-TR?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data, but the dropout is 0.6V at 500mA, so input must be at least 2.4V for a 1.8V output.
- 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 an 8-SOIC package.
- Q: What is the output voltage of the MIC5209-1.8YM-TR?
- A: The fixed output voltage is 1.8V.
- Q: What is the maximum output current?
- A: It can deliver up to 500mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the provided data, but the dropout is 0.6V at 500mA, so input must be at least 2.4V for a 1.8V output.
- 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 an 8-SOIC package.

MIC5209-1.8YM-TR.pdf