Manufacturer Part Number
LP38693SDX-5.0
Manufacturer
Texas Instruments
Introduction
The LP38693SDX-5.0 is a low-dropout (LDO) linear voltage regulator designed specifically for automotive applications. It ensures a stable fixed output voltage of 5V from a higher input voltage up to 10V.
Product Features and Performance
Output Type: Fixed
Voltage Regulation: Stable 5V output
Number of Regulators: 1
Voltage Dropout: Maximum 0.45V at 500mA load
Output Current: 500mA
Low Quiescent Current: 55 µA
High PSRR: 55 dB at 120 Hz
Operating Temperature Range: -40°C to 125°C
Product Advantages
Supports automotive operating temperature
Low dropout voltage for efficient operation
Low quiescent current aids in power conservation
High PSRR ensures clean output despite input voltage fluctuations
Key Technical Parameters
Voltage Input (Max): 10V
Voltage Output (Min/Fixed): 5V
Current Output: 500mA
Voltage Dropout (Max): 0.45V @ 500mA
PSRR: 55 dB at 120Hz
Mounting Type: Surface Mount
Quality and Safety Features
Over Temperature Protection
Automotive Grade
AEC-Q100 Qualification
Compatibility
Mounting Type: Surface Mount
Package / Case: 6-WDFN Exposed Pad
Supplier Device Package: 6-WSON (3x3)
Application Areas
Ideal for automotive applications requiring stable, regulated power supply.
Product Lifecycle
Product Status: Obsolete
Availability of replacements or upgrades should be checked as this model is nearing discontinuation.
Several Key Reasons to Choose This Product
Delivers reliable 5V fixed output suitable for automotive electronics
High power supply rejection ratio minimizes noise from input fluctuations
Built-in over temperature protection enhances device safety and reliability
Low quiescent current and dropout voltage increase overall efficiency
Certified with AEC-Q100, affirming its suitability for automotive quality standards