Manufacturer Part Number
CAT6219-125TDGT3
Manufacturer
onsemi
Introduction
The CAT6219-125TDGT3 is a fixed output, low dropout (LDO) linear voltage regulator designed for power management applications. It is housed in a TSOT-23-5 package and is now considered obsolete.
Product Features and Performance
Fixed output voltage of 1.25V
Maximum input voltage of 5.5V
Maximum dropout voltage of 0.5V at 500mA load
Output current capacity of 500mA
Low quiescent current of 75 µA
Supply current up to 90 µA
PSRR ranges from 64dB to 54dB across frequencies 1kHz to 20kHz
Includes Enable control feature
Product Advantages
High efficiency due to low dropout voltage
Compact package (TSOT-23-5) suitable for space-constrained applications
Integrated protection features enhance device reliability
Key Technical Parameters
Output Voltage: 1.25V
Input Voltage (Max): 5.5V
Dropout Voltage (Max): 0.5V @ 500mA
Output Current: 500mA
Quiescent Current: 75 µA
PSRR: 64dB ~ 54dB (1kHz ~ 20kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Under Voltage Lockout (UVLO)
Compatibility
Compatible with surface mount technology for PCB assembly
Application Areas
Suitable for diverse electronics requiring stable low voltage
Product Lifecycle
Obsolete status, evaluate need for a replacement or upgrade for future designs
Several Key Reasons to Choose This Product
Extremely low dropout for improved efficiency
Very low idle consumption enhances battery longevity in portable devices
Strong load and line regulation preserves device stability across variations
Built-in safety mechanisms guard against common electrical faults
Useful in a broad range of temperature conditions (-40°C to 125°C)