Manufacturer Part Number
CAT6218-330TDGT3
Manufacturer
onsemi
Introduction
Low dropout regulator offering a fixed 3.3V output, designed for power-sensitive applications.
Product Features and Performance
Positive fixed output configuration
Output voltage of 3.3V
300mA current output
Low quiescent current of 75 µA
High PSRR of 64dB at 1kHz
Temperature protection
Product Advantages
High power supply rejection ratio
Energy-efficient with low dropout (0.3V at 300mA)
Compact SOT-23-5 package
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage Output (Min/Fixed): 3.3V
Voltage Dropout (Max): 0.3V @ 300mA
Current - Output: 300mA
PSRR: 64dB ~ 54dB (1kHz ~ 20kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Compatibility
Surface Mount compatible
Application Areas
Power management for battery-powered devices
Product Lifecycle
Obsolete status
Potential need for finding replacements or upgrades
Several Key Reasons to Choose This Product
Stable 3.3V output voltage for consistent performance
Low dropout voltage to maintain regulation with lower input volt
Energy saving with low quiescent current
High PSRR for minimal noise from the power supply
Thermal protection for safety and reliability
Compact and surface-mountable for space-sensitive designs