Microchip Technology MIC5209-4.2YS
| 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 | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 4.2V |
| 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 MIC5209-4.2YS is a fixed 4.2V LDO regulator from Microchip Technology, rated for 500mA output. It features a low dropout of 0.6V at full load and a quiescent current of 170µA. Housed in a SOT-223-3 package, it is suitable for space-constrained designs. With 75dB PSRR at 120Hz, it delivers clean power for various applications.
- Optimal for Li-ion: 4.2V matches battery charging needs.
- Thermal Efficiency: SOT-223 package dissipates heat well.
- Low Power Loss: 170µA quiescent current.
- High Ripple Rejection: 75dB at 120Hz.
Charging Circuits
4.2V is the standard Li-ion charge voltage; this LDO can provide a clean reference or regulated supply for charge controllers.
LED Drivers
For constant-voltage LED strips, 4.2V with 500mA supports multiple LEDs with stable brightness.
Automotive Sensors
In vehicles, 4.2V rails for sensor modules benefit from the SOT-223 package's thermal performance.
Industrial Actuators
Provides regulated 4.2V for valve drivers and relay coils, ensuring consistent operation.
Test Equipment
Precision 4.2V for calibration references and measurement circuits, leveraging low noise.
Consumer Electronics
For devices requiring 4.2V logic or analog supplies, this LDO offers a compact solution.
- Q: Output voltage?
- A: Fixed 4.2V.
- Q: Max current?
- A: 500mA.
- Q: Input voltage range?
- A: Above 4.2V + dropout; max 16V (refer to datasheet).
- Q: Dropout voltage?
- A: 0.6V at 500mA.
- Q: Quiescent current?
- A: 170µA.
- Q: Package?
- A: SOT-223-3.
MIC5209-4.2YS.pdf
- Q: Output voltage?
- A: Fixed 4.2V.
- Q: Max current?
- A: 500mA.
- Q: Input voltage range?
- A: Above 4.2V + dropout; max 16V (refer to datasheet).
- Q: Dropout voltage?
- A: 0.6V at 500mA.
- Q: Quiescent current?
- A: 170µA.
- Q: Package?
- A: SOT-223-3.
