Manufacturer Part Number
LD39050PU33R
Manufacturer
STMicroelectronics
Introduction
Low Drop Out linear regulator for power management applications
Product Features and Performance
Low dropout voltage of 0.4V at 500mA load
Stable with low ESR ceramic capacitors
High PSRR of 65dB to 62dB from 1kHz to 10kHz
Low quiescent current of 50 µA
Supply current of 200 µA maximum
Product Advantages
High efficiency for power-sensitive designs
Compact 6-DFN (3x3) package to save board space
High thermal performance range
Fast transient response
Key Technical Parameters
Single regulator output
Fixed 3.3V output voltage
Maximum input voltage of 5.5V
500mA maximum output current
Operating temperature from -40°C to 125°C
Quality and Safety Features
Protection against overcurrent, overtemperature, and short circuit
Robust design suitable for industrial applications
Compatibility
Surface mount device for broad PCB compatibility
Designed to work well with low ESR ceramic capacitors
Application Areas
Consumer electronics, computing devices, networking equipment
Product Lifecycle
Active product, not nearing discontinuation
Availability of replacements or upgrades not necessary
Several Key Reasons to Choose This Product
High-reliability LDO suitable for noise-sensitive applications due to excellent PSRR
Low quiescent current ideal for battery-powered devices
Extended operating temperature range for industrial-grade reliability
Ready for automated PCB assembly as it comes in Tape & Reel packaging
Readable 'Power Good' control feature for system stability and robustness