Microchip Technology MCP1804T-3302I/DB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.90 | $0.90 |
| 15+ | $0.87 | $13.05 |
| 25+ | $0.86 | $21.50 |
| 50+ | $0.81 | $40.50 |
| 100+ | $0.71 | $71.00 |
| N+ | $0.14 | 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) | 28V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.7V @ 100mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 105 µA |
| Current - Supply (Max) | 125 µA |
| PSRR | 50dB (1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-3 |
| ROHS |
The MCP1804T-3302I/DB is a fixed 3.3V linear voltage regulator from Microchip Technology, delivering up to 150mA of output current. Housed in a SOT-223-3 package, it features a dropout voltage of 1.7V at 100mA and a low quiescent current of 105µA. With 50dB PSRR at 1kHz, it effectively suppresses high-frequency noise, making it ideal for battery-powered and portable applications.
- Low Quiescent Current: 105µA idle current maximizes battery life in portable devices.
- Compact SOT-223-3 Package: Saves board space for miniaturized designs.
- Stable 3.3V Output: Ensures reliable operation of 3.3V logic and RF circuits.
- Good Noise Rejection: 50dB PSRR at 1kHz filters switching noise from upstream converters.
Battery-Powered IoT Sensors
Regulates 3.3V for wireless MCUs in battery-operated devices, with 105µA quiescent current extending battery life during sleep modes.
Portable Medical Devices
Provides a stable 3.3V rail for glucose monitors and pulse oximeters, where low dropout ensures operation from nearly depleted batteries.
Wearable Electronics
Powers Bluetooth modules and accelerometers in smartwatches, with the SOT-223-3 package offering a compact footprint for space-constrained designs.
Automotive Sensor Interfaces
Supplies clean 3.3V to pressure and temperature sensors, with 50dB PSRR at 1kHz filtering alternator noise.
Industrial Control Modules
Regulates 3.3V for PLC I/O boards, ensuring reliable logic levels in noisy factory environments.
Smart Home Hubs
Provides a stable 3.3V supply for Zigbee/Z-Wave radios, maintaining communication reliability.
- Q: What is the output voltage?
- A: The MCP1804T-3302I/DB provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical operation requires input above 5V for regulation).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.7V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 105 µA.
- Q: What package is available?
- A: It comes in a SOT-223-3 package.
- Q: What is the output voltage?
- A: The MCP1804T-3302I/DB provides a fixed 3.3V output.
- Q: What is the maximum output current?
- A: It can supply up to 150mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 3.3V (typical operation requires input above 5V for regulation).
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.7V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 105 µA.
- Q: What package is available?
- A: It comes in a SOT-223-3 package.

MCP1804T-3302I/DB.pdf