Manufacturer Part Number
TLV74312PDQNR
Manufacturer
Texas Instruments
Introduction
The TLV74312PDQNR is a LDO voltage regulator designed for power-sensitive applications requiring low dropout and quiescent current.
Product Features and Performance
Single channel LDO regulator
Low dropout voltage: 0.45V at 300mA
Quiescent current of 60 µA
High PSRR: 68dB at 100Hz to 28dB at 100kHz
Fixed 1.2V output voltage
Current Limit and Thermal Shutdown protection
Under Voltage Lock Out (UVLO) feature
Enable pin for on/off control
Product Advantages
High power supply rejection ratio ensures stability
Low quiescent current increases battery life
Thermal protection enhances reliability
Compact 4-X2SON package saves board space
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Fixed): 1.2V
Current - Output: 300mA
Voltage Dropout (Max): 0.45V
PSRR: 68dB to 28dB
Quality and Safety Features
Current limit protection
Thermal shutdown feature
Under Voltage Lock Out (UVLO)
Compatibility
Surface mount compatible
4-XDFN exposed pad for thermal efficiency
Application Areas
Mobile phones
Portable electronics
Wireless LAN devices
GPS systems
Product Lifecycle
Status: Active
Not nearing discontinuation
Replacements and upgrades availability
Reasons to Choose This Product
Efficient power management for sensitive electronics
Ideal for battery-operated devices due to low quiescent current
Provides clean voltage with high PSRR for sensitive RF applications
Suitable for a wide range of temperatures from -40°C to 125°C
Designed to meet demands of modern portable devices
Space-saving package ideal for compact PCB designs
