Manufacturer Part Number
LP38691DTX-5.0
Manufacturer
Texas Instruments
Introduction
The LP38691DTX-5.0 is an LDO Regulator, providing a fixed 5V output from an input up to 10V.
Product Features and Performance
Single-Output LDO
Fixed 5V output
Supports up to 500mA load current
Low dropout voltage of 0.45V at full load
Quiescent current of 55 µA
Maximum supply current of 100 µA
PSRR of 55dB at 120Hz
High thermal performance
Wide operating temperature range -40°C to 125°C
Product Advantages
Highly stable output voltage with low dropout
Low quiescent current suitable for battery-powered devices
Protection from over-temperature situations
Good noise reduction and transient response
Ease of use with minimal external components
Key Technical Parameters
Output Voltage (Min/Fixed): 5V
Input Voltage (Max): 10V
Current - Output: 500mA
Dropout Voltage (Max): 0.45V @ 500mA
Quiescent Current (Iq): 55 µA
Supply Current (Max): 100 µA
Power Supply Rejection Ratio (PSRR): 55dB (120Hz)
Quality and Safety Features
Over Temperature Protection
Compatibility
Surface Mount TO-252-3 package compatible with various circuit board designs
Application Areas
Consumer Electronics
Telecommunications
Computing devices
Battery-powered equipment
Product Lifecycle
Product Status: Obsolete (check for replacement or upgrade options)
Several Key Reasons to Choose This Product
Ideal for power-sensitive applications due to low dropout and quiescent current
Robust thermal protection increases reliability
High PSRR ensures stable operation against input noise
Wide operating temperature range allows usage in industrial environments
The simplicity of design maximizes ease of integration into various systems