Texas Instruments LP38691QSDX-3.3/NOPB LDO Voltage Regulators
IC REG LINEAR 3.3V 500MA 6WSON
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP38691QSDX-3.3/NOPB
Detailed Description
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.
Package
WSON EP
Key Features
Package: WSON EP; Output Voltage: 3.3V
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LP38691QSDX-3.3/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP38691QSDX-3.3/NOPB LDO Voltage Regulators technical specifications.
General
RoHS
Yes
Number of Pins
6
Package / Case
6-WDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Basic Package Type
Non-Lead-Frame SMT
Package Family Name
SON
Package
WSON EP
Package Description
Very Very Thin Small Outline No Lead Package, Exposed Pad
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 |
| Lifecycle Status | Active | Active | Active | Production |
| Operating Temperature Range C | -40 to 125 | 0 to 70 | -40 to 125 | -40 to 125 |
| 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 |
| Dropout Voltage Vdo Typ Mv | 250 | -- | 60 | 450 |
| Fixed Output Options V | 1.8, 2.5, 3.3, 5 | -- | 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 4.7, 4.75, 4.8, 5 | 1.5, 1.8, 2.5, 3.3, 5 |
| 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.
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NCV8605MN33T2GonsemiSimilaronsemi
Pin YesPkg YesElec Downgrade
3.3V LDO Regulator, 500mA, 6V In, DFN, 1.5V-6V In
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