Manufacturer Part Number
TPS78633DCQR
Manufacturer
Texas Instruments
Introduction
High-performance low-dropout linear regulator designed for power-sensitive applications
Product Features and Performance
Positive fixed output voltage regulator
Single regulator output
Low dropout voltage of 0.51V at 1.5A load
Output current capacity of 1.5A
Quiescent current of 385 µA
Power Supply Rejection Ratio (PSRR) of 59dB ~ 32dB within 100Hz to 100kHz frequency range
Operational over a wide temperature range from -40°C to 125°C
Surface mountable with SOT-223-6 package
Product Advantages
Efficient voltage regulation with low power dissipation
Stable performance over wide input voltage and temperature variations
Low quiescent current ideal for battery-powered devices
Good noise rejection capabilities
Built-in protection features for circuit safety
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 1.5A
Voltage Dropout (Max): 0.51V @ 1.5A
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Reverse Polarity Protection
Under Voltage Lockout (UVLO)
Compatibility
Compatible with a wide variety of applications requiring a 3.3V fixed output voltage
Designed for surface mount technology (SMT) with SOT-223-6 package format
Application Areas
Consumer Electronics
Telecommunications
Computing Systems
Portable/Battery-powered devices
Industrial applications
Product Lifecycle
Active product status
Not currently near end-of-life with ongoing manufacturer support
Several Key Reasons to Choose This Product
High reliability from a trusted manufacturer, Texas Instruments
Low dropout voltage enhances efficiency
Versatile use across many applications due to stable output and thermal performance
Manageable size for surface mount design with SOT-223-6 package
High current output suitable for demanding devices
Comprehensive protection features prevent device damage under fault conditions
Consistent product availability with no immediate discontinuation in sight
