Texas Instruments LP38691QSDX-3.3/NOPB LDO Voltage Regulators
Automotive-grade positive fixed output LDO regulator with a 3.3V output voltage and 0.5A maximum output current.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LP38691QSDX-3.3/NOPB LDO Voltage Regulators technical specifications.
General
Alternate Parts Comparison (LP38691QSDX-3.3/NOPB vs LP324N vs LP3985IM5-5.0/NOPB vs LP2992AIM5-5.0/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 6-WDFN Exposed Pad | 14-DIP | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | 0°C ~ 70°C | -40°C ~ 125°C | -40°C ~ 125°C |
| RoHS | Yes | Yes | Yes | Compliant |
| Output Current | 500mA | 10mA | 150mA | 250 mA |
| Package | WSON EP | PDIP | SOT-23 | SOT-23 |
| Accuracy | ±2% | -- | 2% | 3.5 % |
| Current Supply Max | 100 µA | -- | 250 µA | 4 mA |
| Max Input Voltage | 10V | -- | 6V | 16 V |
| Number of Outputs | 1 | -- | 1 | 1 |
| Number of Regulators | 1 | -- | 1 | 1 |
| Output Configuration | Positive | -- | Positive | Positive |
| Action |
Texas Instruments LP38691QSDX-3.3/NOPB LDO Voltage Regulators Overview
Automotive-grade positive fixed output LDO regulator with a 3.3V output voltage and 0.5A maximum output current. Features a 6-pin WSON EP package with a 3mm x 3mm x 0.8mm footprint, suitable for surface mounting. Offers a wide input voltage range of 2.7V to 10V and low dropout voltage, with typical values of 65mV at 100mA and 330mV at 500mA.
Includes current limit and thermal protection, with typical quiescent current of 55µA.
