Manufacturer Part Number
LP38691DT-3.3
Manufacturer
Texas Instruments
Introduction
The LP38691DT-3.3 is a low dropout (LDO) linear voltage regulator designed for power management applications.
Product Features and Performance
Fixed output voltage of 3.3V
Maximum input voltage of 10V
Maximum voltage dropout of 0.55V at 500mA
Output current up to 500mA
Low quiescent current of 55 µA
Maximum supply current of 100 µA
Power supply rejection ratio (PSRR) of 55dB at 120Hz
Over temperature protection
Product Advantages
Efficient voltage regulation with low dropout
High PSRR ensures stable output despite variations in input voltage
Low quiescent current helps in reducing power consumption
Built-in thermal protection enhances reliability
Key Technical Parameters
Voltage - Input (Max): 10V
Voltage - Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.55V @ 500mA
Current - Output: 500mA
Current - Quiescent (Iq): 55 µA
Current - Supply (Max): 100 µA
PSRR: 55dB (120Hz)
Quality and Safety Features
Over temperature protection
Robust thermal management capabilities
Compatibility
Compatible with surface mount technology
Fits TO-252-3, DPAK (2 Leads + Tab), SC-63 package types
Application Areas
Consumer electronics
Telecommunications
Computing devices
Industrial equipment
Product Lifecycle
Status: Last Time Buy
Consider planning for replacements or future upgrades
Several Key Reasons to Choose This Product
Stable 3.3V output suitable for various electronic applications
Low dropout voltage facilitates better performance in low-voltage conditions
High reliability and built-in safety features ensure long-term operation
Optimal for designs requiring efficient power consumption
Suitable for a wide range of operating temperatures from -40°C to 125°C
LP38691QSDX-ADJTexas Instruments