Manufacturer Part Number
TPS78233DDCR
Manufacturer
Texas Instruments
Introduction
TPS78233DDCR is a low-dropout linear regulator optimized for powering low-voltage microprocessors.
Product Features and Performance
Positive fixed output type
Single output regulator
Maximum input voltage of 5.5V
Output voltage fixed at 3.3V
Maximum dropout voltage of 0.25V at 150mA load
Output current capacity of 150mA
Very low quiescent current of 1.3 µA
Low supply current of 8 µA maximum
PSRR of 40dB ~ 15dB across 10Hz to 1kHz
Incorporated control features such as Enable
Protection features include overcurrent protection, overtemperature protection, and reverse polarity protection
Product Advantages
Ultra-low quiescent current enhances system power efficiency
High PSRR provides stable output despite variations in input voltage
Broad operating temperature range from -40°C to 125°C suits various environmental conditions
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.25V @ 150mA
Current Output: 150mA
Current Quiescent (Iq): 1.3 µA
Current Supply (Max): 8 µA
PSRR: 40dB ~ 15dB (10Hz ~ 1kHz)
Quality and Safety Features
Overcurrent and overtemperature protection ensure device longevity and reliability
Reverse polarity protection guards against incorrect power connection
Compatibility
Compatible with various microcontrollers and digital systems requiring 3.3V
Application Areas
Ideal for battery-powered devices
Suitable for microcontroller power supply, portable and wireless devices, and low-power applications
Product Lifecycle
Currently active product status
Not reported as nearing discontinuation
Availability of replacements or upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
Exceptionally low quiescent current ideal for reducing standby power consumption
High power supply rejection ratio ensures stable operation even with noisy input supply
Robust protection features for enhanced reliability and durability
Wide operating temperature range makes it suitable for harsh environments
Simple integration with surface mount technology via SOT-23-THIN package