National Semiconductor LP38690DT-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.40 | $4.40 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | 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) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.8V @ 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-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | TO-252-3 |
| ROHS |  |
The National Semiconductor LP38690DT-5.0/NOPB is a fixed 5.0V low dropout linear regulator delivering up to 1A. In a TO-252-3 package, it features an ultra-low quiescent current of 55µA and a dropout voltage of just 0.8V at full load. This makes it exceptionally efficient for battery-operated and always-on applications.
- Ultra-Low Quiescent Current: 55µA significantly reduces standby power consumption.
- Low Dropout Voltage: 0.8V at 1A allows operation from a 5.8V source, improving efficiency.
- High Current Density: 1A in a compact TO-252 package suits space-constrained designs.
- Stable 5V Output: Reliable for powering logic and analog circuits.
Battery-Powered 5V Systems
With a low dropout of 0.8V and only 55µA quiescent current, this LDO is perfect for extending battery life in 5V portable devices.
Automotive ECUs
The TO-252 package and 1A capability make it suitable for powering sensors and microcontrollers in automotive engine control units.
5V USB Peripherals
It can regulate a 6V input down to a clean 5V for USB-powered gadgets, ensuring stable operation.
Industrial Sensors
Low quiescent current and high reliability make it ideal for always-on industrial sensor nodes.
Set-Top Boxes and Routers
Provides a stable 5V rail for networking equipment with minimal heat generation due to low dropout.
Portable Test Equipment
The low power consumption and small footprint suit handheld multimeters and oscilloscopes.
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: Input voltage must be above 5.8V; typically up to 10V.
- Q: What is the dropout voltage?
- A: The dropout voltage is only 0.8V at 1A.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 55µA.
- Q: What package is available?
- A: It comes in a TO-252-3 (DPAK) package.
LP38690DT-5.0/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 5.0V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A.
- Q: What is the input voltage range?
- A: Input voltage must be above 5.8V; typically up to 10V.
- Q: What is the dropout voltage?
- A: The dropout voltage is only 0.8V at 1A.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 55µA.
- Q: What package is available?
- A: It comes in a TO-252-3 (DPAK) package.
