Manufacturer Part Number
LD39020ADTPU30R
Manufacturer
stmicroelectronics
Introduction
Low-dropout regulator designed for optimal power management
Product Features and Performance
Linear LDO voltage regulator
High PSRR (Power Supply Rejection Ratio)
Low quiescent current
Fixed 3V output voltage
Over current and over temperature protection
Soft start feature to minimize inrush current
Product Advantages
Stable fixed output for consistent performance
High-efficiency operation with low dropout voltage
Minimal power loss due to low quiescent current
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 3V
Voltage Dropout (Max): 0.35V @ 200mA
Current Output: 200mA
Current Quiescent (Iq): 40 µA
PSRR: 80dB ~ 55dB (1kHz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Built-in over current protection
Thermal over temperature protection
Soft start to reduce inrush current impact
Compatibility
Suited for various electronic applications requiring a 3V fixed output
Application Areas
Consumer Electronics
Industrial Control Systems
Communication Equipment
Portable Devices
Product Lifecycle
Product Status: Active
Not reported as nearing discontinuation
Availability of replacements or upgrades should be checked with manufacturer
Several Key Reasons to Choose This Product
High reliability with built-in protection features
Excellent thermal performance for a wide range of temperatures
Suitable for noise-sensitive applications due to high PSRR
Energy-efficient operation with low dropout voltage and quiescent current
Compact 4-XDFN Exposed Pad package suitable for space-constrained applications