Texas Instruments LP38690SDX-5.0/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.50 | $1.50 |
| 15+ | $1.45 | $21.75 |
| 25+ | $1.42 | $35.50 |
| 50+ | $1.34 | $67.00 |
| 100+ | $1.19 | $119.00 |
| N+ | $0.24 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| 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 | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WSON (3x3) |
| ROHS |
The Texas Instruments LP38690SDX-5.0 is a fixed 5V, 1A low dropout linear regulator in a compact 6-WSON package. It features a low dropout of 0.8V at full load and a quiescent current of 55 μA. With 55dB PSRR at 120Hz, it delivers clean power for a wide range of industrial and automotive applications.
- Low Dropout: 0.8V at 1A enables efficient 5V regulation from 5.8V inputs.
- Compact Package: 6-WSON (3x3) saves board space in dense designs.
- Good Ripple Rejection: 55dB at 120Hz reduces mains-related noise.
- Stable 5V Output: Fixed output simplifies design for standard logic rails.
5V Logic and Peripheral Power
Provides a stable 5V rail for legacy logic ICs, relays, and small motors, with 1A capacity for multiple loads.
Automotive Infotainment
The 55dB PSRR at 120Hz filters alternator noise, ensuring clean power for audio codecs and display drivers.
Industrial Control Panels
Regulates 5V for PLC I/O modules, with low dropout of 0.8V allowing operation from 5.8V input.
Test and Measurement Equipment
Provides low-noise 5V for precision op-amps and reference circuits, improving measurement accuracy.
Networking Equipment
Powers 5V PHY transceivers and small switches, with thermal protection for reliable operation.
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.8V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 55 μA.
- Q: What package is available?
- A: It comes in a 6-WSON (3x3) package.
- Q: What is the output voltage?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can deliver up to 1A of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.8V at 1A load.
- Q: What is the quiescent current?
- A: The quiescent current is 55 μA.
- Q: What package is available?
- A: It comes in a 6-WSON (3x3) package.

LP38690SDX-5.0/NOPB.pdf