Manufacturer Part Number
LP38691SD-5.0
Manufacturer
Texas Instruments
Introduction
Texas Instruments' LP38691SD-5.0 is a linear, low dropout regulator designed for power management in automotive and other applications.
Product Features and Performance
Positive fixed output configuration
Single regulator module
Low dropout voltage of 0.45V at 500mA load
500mA output current capacity
Low quiescent current of 55 µA
Supply current max of 100 µA
55dB Power Supply Rejection Ratio (PSRR) at 120Hz
Product Advantages
Low dropout voltage enhances efficiency
Automotive-grade reliability
Low quiescent current suitable for battery-powered devices
Stable operation with ceramic capacitors
Key Technical Parameters
Input Voltage (Max): 10V
Output Voltage (Min/Fixed): 5V
Voltage Dropout (Max): 0.45V @ 500mA
Current - Output: 500mA
Current - Quiescent (Iq): 55 µA
Power Supply Rejection Ratio (PSRR): 55dB (120Hz)
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Over Temperature Protection
AEC-Q100 Qualified for automotive standards
Compatibility
Surface-mount device compatible with Surface Mount Technology (SMT)
Suitable for applications requiring 5V fixed output from a higher voltage input up to 10V
Application Areas
Automotive electronics
Portable and battery-powered devices
Industrial control systems
Product Lifecycle
Obsolete product status
Contact manufacturer for information on replacement or upgrade options
Several Key Reasons to Choose This Product
Automotive grade quality with AEC-Q100 qualification ensures high reliability
Low dropout voltage offers improved power efficiency
Low quiescent current prolongs battery life in portable applications
Wide operating temperature range ideal for extreme conditions
Over Temperature Protection for enhanced safety and durability
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