National Semiconductor LP38855SX-1.2/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.84 | $7.84 |
| 15+ | $1.80 | $27.00 |
| 25+ | $1.76 | $44.00 |
| 50+ | $1.67 | $83.50 |
| 100+ | $1.47 | $147.00 |
| N+ | $0.29 | 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) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.18V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 300 µA |
| Current - Supply (Max) | 15 mA |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LP38855SX-1.2/NOPB is a fixed 1.2V LDO regulator delivering 1.5A with an ultra-low 0.18V dropout. Its 300µA quiescent current and high PSRR make it perfect for battery-powered and noise-sensitive applications. The TO-263 package supports robust thermal performance.
- Ultra-Low Dropout: 0.18V at 1.5A enables efficient conversion from low-voltage rails.
- Low Quiescent Current: 300µA extends battery life in portable devices.
- High PSRR: 80dB at 120Hz and 65dB at 1kHz rejects noise for clean output.
- Compact Power: TO-263 package balances size and thermal dissipation.
Low-Voltage DSP/FPGA Cores
Provides a stable 1.2V rail for modern processors, with 0.18V dropout enabling operation from 1.4V supplies.
Battery-Powered IoT Devices
Ultra-low 300µA quiescent current extends battery life in sensors and wearables.
High-Efficiency Point-of-Load
Ideal for converting 1.5V or 1.8V rails down to 1.2V with minimal power loss.
Noise-Sensitive RF Circuits
80dB PSRR at 120Hz and 65dB at 1kHz ensures clean power for RF transceivers.
Portable Medical Devices
Low dropout and low quiescent current support precision analog circuits in battery-operated monitors.
Server Memory Termination
Delivers 1.5A for DDR memory termination rails with excellent transient response.
- Q: What is the output voltage?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum current rating?
- A: It can supply up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is very low at 0.18V when delivering 1.5A.
- Q: What is the quiescent current?
- A: Quiescent current is only 300 µA, ideal for battery applications.
- Q: What package is used?
- A: It is available in TO-263 (DDPAK-5).
LP38855SX-1.2/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 1.2V.
- Q: What is the maximum current rating?
- A: It can supply up to 1.5A.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is very low at 0.18V when delivering 1.5A.
- Q: What is the quiescent current?
- A: Quiescent current is only 300 µA, ideal for battery applications.
- Q: What package is used?
- A: It is available in TO-263 (DDPAK-5).
