Manufacturer Part Number
LDK220C33R
Manufacturer
STMICROELECTRONICS
Introduction
Low Drop Out linear voltage regulator designed for power management
Product Features and Performance
Fixed 3.3V output voltage
Up to 200mA output current
Low dropout voltage of 0.35V at 200mA load
Quiescent current of 90µA
Supply current max of 100µA
Power supply rejection ratio (PSRR) of 55dB to 50dB from 120Hz to 10kHz
Enable control feature for power saving
Overcurrent and overtemperature protection for safety
Product Advantages
Low quiescent current for power-efficient operation
High PSRR for better noise suppression
Robust protection features enhance reliability
Small footprint package suitable for space-constrained applications
Key Technical Parameters
Voltage - Input (Max): 13.2V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 200mA
Voltage Dropout (Max): 0.35V @ 200mA
Current - Quiescent (Iq): 90 µA
Current - Supply (Max): 100 µA
PSRR: 55dB ~ 50dB (120Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Compliance with industry standards for quality and safety
Compatibility
Surface Mount compatible with 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package compatible with SOT-323-5
Application Areas
Consumer electronics
Portable devices
Battery-powered applications
Microcontroller systems
Product Lifecycle
Active status
Not near discontinuation
Replacements or upgrades should be available as needed
Reasons to Choose This Product
High efficiency due to low dropout voltage
Extended battery life with low quiescent current
Stable output with a strong PSRR feature
Can operate in a wide range of temperatures
Ease of integration with compact SOT-323-5 package
Ongoing product support as part of STMICROELECTRONICS's active lineup
Versatile for use in a diverse array of electronic applications