Microchip Technology MCP1804T-J002I/MB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 15+ | $0.82 | $12.30 |
| 25+ | $0.80 | $20.00 |
| 50+ | $0.76 | $38.00 |
| 100+ | $0.67 | $67.00 |
| N+ | $0.13 | 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) | 18V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.85V @ 100mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 125 µA |
| Current - Supply (Max) | - |
| PSRR | 50dB (1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| ROHS |
The MCP1804T-J002I/MB from Microchip Technology is a fixed 18V LDO linear regulator delivering up to 150mA. Packaged in a SOT-89-3, it features a low quiescent current of 125µA and a dropout voltage of 0.85V at 100mA. With a PSRR of 50dB at 1kHz, it provides reliable, low-noise power for industrial, automotive, and telecom applications requiring higher voltage rails.
- High 18V Output: Supports high-voltage applications without needing multiple regulators.
- Low Quiescent Current (125µA): Reduces standby power in always-on systems.
- Compact SOT-89-3 Package: Offers good thermal dissipation in a small footprint.
- 150mA Output: Adequate for sensors, op-amps, and auxiliary circuits.
High-Voltage Sensor Interfaces
Regulates 18V for industrial sensors and transmitters, with 150mA capability and low quiescent current for always-on systems.
Automotive Battery Monitoring
Provides a stable 18V rail for battery monitoring ICs in electric vehicles, handling input transients up to 18V.
Telecom Line Drivers
Powers line driver amplifiers requiring 18V, with 50dB PSRR reducing interference from switching regulators.
Industrial Actuator Control
Supplies 18V to actuator drivers and solenoids, ensuring consistent operation with 0.85V dropout.
HV Power Supply Pre-Regulation
Used as a pre-regulator for high-voltage reference circuits, providing a clean 18V input to downstream precision LDOs.
- Q: What is the output voltage of the MCP1804T-J002I/MB?
- A: This device provides a fixed 18V output, suitable for high-voltage rails.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of output current.
- Q: What is the input voltage range?
- A: The maximum input voltage is 18V, allowing operation from 12V to 18V supplies.
- Q: What is the dropout voltage?
- A: Dropout is 0.85V at 100mA, providing good headroom for high-voltage applications.
- Q: What is the quiescent current?
- A: Quiescent current is a low 125µA, balancing performance with power efficiency.
- Q: What is the PSRR?
- A: PSRR is 50dB at 1kHz, offering moderate noise rejection for industrial environments.
- Q: What is the output voltage of the MCP1804T-J002I/MB?
- A: This device provides a fixed 18V output, suitable for high-voltage rails.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA of output current.
- Q: What is the input voltage range?
- A: The maximum input voltage is 18V, allowing operation from 12V to 18V supplies.
- Q: What is the dropout voltage?
- A: Dropout is 0.85V at 100mA, providing good headroom for high-voltage applications.
- Q: What is the quiescent current?
- A: Quiescent current is a low 125µA, balancing performance with power efficiency.
- Q: What is the PSRR?
- A: PSRR is 50dB at 1kHz, offering moderate noise rejection for industrial environments.

MCP1804T-J002I/MB.pdf