National Semiconductor LP38692MP-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.92 | $3.92 |
| 15+ | $0.90 | $13.50 |
| 25+ | $0.88 | $22.00 |
| 50+ | $0.83 | $41.50 |
| 100+ | $0.74 | $74.00 |
| N+ | $0.15 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 1.6V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 55 µA |
| Current - Supply (Max) | 100 µA |
| PSRR | 55dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-5, TO-261AB |
| Supplier Device Package | SOT-223 |
| ROHS |  |
The LP38692MP-1.8/NOPB from National Semiconductor is a low dropout linear regulator delivering a fixed 1.8V output. Capable of sourcing up to 1A, it combines a low quiescent current of 55 µA with a PSRR of 55dB at 120Hz, making it suitable for both power-sensitive and noise-sensitive applications. The SOT-223 package offers a practical balance of size and thermal performance.
- High PSRR: The 55dB rejection at 120Hz ensures clean, ripple-free power for sensitive analog and digital circuits.
- Low Quiescent Current: The 55 µA ground current maximizes efficiency in battery-powered and always-on systems.
- High Output Current: Supports up to 1A, making it versatile for a wide range of loads.
- Fixed 1.8V Output: Simplifies power supply design with a precise, pre-set voltage.
Noise-Sensitive Audio Circuits
With a PSRR of 55dB at 120Hz, this LDO effectively attenuates mains hum and ripple, making it ideal for powering audio codecs and amplifiers.
FPGA and CPLD Core Power
Supply a stable 1.8V core voltage to low-power FPGAs and CPLDs, supporting up to 1A of load current.
Automotive Infotainment
Provide a clean 1.8V rail for infotainment processors and displays, benefiting from the low quiescent current to reduce battery drain.
Industrial Sensors and Transmitters
Power precision analog front-ends in industrial applications where a low-noise, regulated supply is critical for measurement accuracy.
Telecom and Networking Equipment
Regulate 1.8V logic rails in routers and switches, ensuring reliable operation in high-temperature environments.
Battery-Powered Handheld Devices
The low 55 µA quiescent current helps extend battery life in portable devices while providing a robust 1A output capability.
- Q: What is the output voltage of the LP38692MP-1.8/NOPB?
- A: This LDO provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 1A.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.6V at a full load of 1A.
- Q: What is the quiescent current?
- A: The quiescent current is a low 55 µA, which is excellent for maintaining efficiency at light loads.
- Q: What is the PSRR?
- A: It has a power supply rejection ratio of 55dB at 120Hz, helping to filter out low-frequency noise.
- Q: What package is available?
- A: It is available in a SOT-223 package, which is common for medium-power regulators.
LP38692MP-1.8/NOPB.pdf
- Q: What is the output voltage of the LP38692MP-1.8/NOPB?
- A: This LDO provides a fixed output voltage of 1.8V.
- Q: What is the maximum output current?
- A: It can deliver a maximum output current of 1A.
- Q: What is the dropout voltage?
- A: The dropout voltage is 1.6V at a full load of 1A.
- Q: What is the quiescent current?
- A: The quiescent current is a low 55 µA, which is excellent for maintaining efficiency at light loads.
- Q: What is the PSRR?
- A: It has a power supply rejection ratio of 55dB at 120Hz, helping to filter out low-frequency noise.
- Q: What package is available?
- A: It is available in a SOT-223 package, which is common for medium-power regulators.
