Manufacturer Part Number
TLV74312PDBVR
Manufacturer
Texas Instruments
Introduction
The TLV74312PDBVR is a low-dropout linear voltage regulator, specially designed to deliver a fixed output from an input up to 5.5V. It is packaged in a small SOT-23-5 format well-suited for space-sensitive applications.
Product Features and Performance
Fixed output voltage of 1.2V
Maximum input voltage of 5.5V
Output current capability of 300mA
Low dropout voltage of 0.45V at 300mA load
Low quiescent current of 60 µA
Power supply rejection ratio (PSRR) ranges from 68dB to 28dB over frequencies of 100Hz to 100kHz
Operational over temperature range of -40°C to 125°C
Product Advantages
High-efficiency due to low dropout voltage
Compact and lightweight design suitable for portable devices
Low quiescent current enhances battery life in portable applications
Good noise performance with a broad range of PSRR
Robust thermal and current limit protection mechanisms
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 1.2V
Current - Output: 300mA
Voltage Dropout (Max): 0.45V at 300mA
Current - Quiescent (Iq): 60 µA
PSRR: 68dB ~ 28dB (100Hz ~ 100kHz)
Quality and Safety Features
Current Limit Protection
Thermal Shutdown Protection
Under Voltage Lock Out (UVLO)
Compatibility
Compatible with a wide range of microcontrollers and digital devices requiring 1.2V
Suitable for a variety of applications due to its ability to operate across a wide range of temperatures and frequencies
Application Areas
Portable and battery-operated devices
Wireless communication equipment
Consumer electronics
Product Lifecycle
Active product status
Designed for long-term availability with no immediate discontinuation foreseen
Several Key Reasons to Choose This Product
Low dropout helps maintain regulation with lower input voltages
Efficient power consumption suitable for battery-powered applications
High reliability and protection features ensure device safety under abnormal conditions
Versatile use due to its compact SOT-23-5 footprint
Suitable for diverse applications due to wide operational temperature range
