Manufacturer Part Number
MC33269DR2-5.0
Manufacturer
onsemi
Introduction
MC33269DR2-5.0 is a low dropout (LDO) regulator designed for power management, particularly in optimizing voltage regulation and efficiency.
Product Features and Performance
Low Dropout Voltage Regulator
Fixed 5V Output Voltage
Maximum Input Voltage of 20V
800mA Current Output
35V Maximum Voltage Dropout at 800mA load
55dB Power Supply Rejection Ratio (PSRR) at 120Hz
Product Advantages
High efficiency in converting input voltage to a stable 5V output
Low dropout feature enables operation closer to the output voltage
Provides reliable performance across a wide range of input voltages up to 20V
Suitable for circuits needing a steady 5V power supply under varying input conditions
Key Technical Parameters
Input Voltage (Max): 20V
Output Voltage (Min/Fixed): 5V
Current Output: 800mA
Voltage Dropout (Max): 1.35V @ 800mA
PSRR: 55dB (120Hz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Built-in over temperature protection
Short circuit protection ensures safety and reliability
Compatibility
Surface Mount, 8-SOIC Packaging for compatibility with standard PCB designs
Application Areas
Portable Devices
Microcontroller Power Supplies
Peripheral Devices
High-efficiency Low-Power Systems
Product Lifecycle
Obsolete status, indicating discontinuation
Alternatives or upgrade paths may need to be considered
Several Key Reasons to Choose This Product
Excellent choice for applications requiring a stable 5V supply with input voltages up to 20V
Low dropout feature enhances efficiency, especially in battery-powered devices
Built-in safety features provide reliability under various conditions
Suitable for a broad range of applications from consumer electronics to industrial systems
Despite its obsolescence, its performance characteristics may still offer unmatched benefits for specific legacy designs or for creating stop-gap solutions until a replacement is found