Manufacturer Part Number
LDK220C50R
Manufacturer
STMicroelectronics
Introduction
The LDK220C50R is a low dropout (LDO) voltage regulator specifically designed for power management applications that require a fixed 5V output from an input voltage up to 13.2V.
Product Features and Performance
Low dropout voltage of 0.35V at 200mA load
Fixed 5V output voltage
Output current capability of 200mA
Low quiescent current of 90 µA
Supply current up to 100 µA
Good power supply rejection ratio (PSRR) of 55dB to 50dB from 120Hz to 10kHz
Integrated control features including Enable function
Over Current and Over Temperature protection for enhanced safety
Operating temperature range from -40°C to 125°C
Product Advantages
High efficiency at low dropout voltages
Ideal for battery-powered applications due to low quiescent current
Ensures stable operation with PSRR feature across a wide range of frequencies
Built-in protection features enhance product reliability and safety
Suitable for applications requiring operating in extreme temperatures
Key Technical Parameters
Voltage Input (Max): 13.2V
Voltage Output (Min/Fixed): 5V
Voltage Dropout (Max): 0.35V @ 200mA
Current Output: 200mA
PSRR: 55dB ~ 50dB (120Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current protection
Over Temperature protection
Designed to meet rigorous safety standards for reliable performance
Compatibility
Compatible with various applications requiring a 5V fixed output
Surface Mount packaging for easy integration into a wide range of devices
Application Areas
Battery-powered devices
Portable electronics
Microcontroller power supply
Consumer electronics
Product Lifecycle
Current Status: Active
No immediate discontinuation, ensuring product availability for new designs
Upgrades or replacement options available for future considerations
Several Key Reasons to Choose This Product
High reliability and performance in power management tasks
Low dropout feature allows operation closer to the battery end-of-life, extending device usability
Extremely low quiescent current improves battery life in portable applications
Wide operating temperature range suitable for demanding environments
Protective features ensure long-term reliability under various conditions
STMicroelectronics’ reputation for quality and support in semiconductor industry
LDK220M-RSTMicroelectronics