National Semiconductor LP38503TS-ADJ/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.90 | $1.90 |
| 15+ | $1.84 | $27.60 |
| 25+ | $1.80 | $45.00 |
| 50+ | $1.70 | $85.00 |
| 100+ | $1.50 | $150.00 |
| N+ | $0.30 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5V |
| Voltage Dropout (Max) | 0.67V @ 3A |
| Current - Output | 3A |
| Current - Quiescent (Iq) | 15 µA |
| Current - Supply (Max) | 4 mA |
| PSRR | 58dB ~ 56dB (120Hz ~ 1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| 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 LP38503TS-ADJ/NOPB is an adjustable LDO regulator capable of delivering 3A with a low 0.67V dropout. Its ultra-low 15µA quiescent current makes it ideal for battery-operated high-current applications. The TO-263 package ensures excellent thermal management.
- Adjustable Output: Flexible voltage setting via external resistors for design versatility.
- High Current: 3A capacity for demanding loads.
- Ultra-Low Quiescent: 15µA extends battery life significantly.
- Low Dropout: 0.67V at 3A maximizes efficiency.
Adjustable High-Current Rails
Provides up to 3A with adjustable output, ideal for custom voltage requirements in FPGAs and ASICs.
Battery-Powered High-Drain Devices
Ultra-low 15µA quiescent current preserves battery life while delivering 3A for motors or transmitters.
Post-Regulation for High-Current DC-DC
Cleans up switching noise with 58dB PSRR at 120Hz, providing clean power for sensitive loads.
Automotive ECUs
Handles 3A loads for engine control modules with robust TO-263 thermal performance.
Server Power Distribution
Adjustable output allows fine-tuning for different board voltages in data centers.
Industrial Actuators
Delivers stable power for 24V-to-5V conversions in industrial automation.
- Q: What is the output voltage?
- A: This is an adjustable regulator; the output voltage can be set with external resistors. The provided data lists 5V as a typical application.
- Q: What is the maximum output current?
- A: It can deliver up to 3A.
- 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 0.67V at a 3A load.
- Q: What is the quiescent current?
- A: Quiescent current is very low at 15 µA.
- Q: What package is available?
- A: It comes in TO-263 (DDPAK-5).
LP38503TS-ADJ/NOPB.pdf
- Q: What is the output voltage?
- A: This is an adjustable regulator; the output voltage can be set with external resistors. The provided data lists 5V as a typical application.
- Q: What is the maximum output current?
- A: It can deliver up to 3A.
- 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 0.67V at a 3A load.
- Q: What is the quiescent current?
- A: Quiescent current is very low at 15 µA.
- Q: What package is available?
- A: It comes in TO-263 (DDPAK-5).
