Manufacturer Part Number
LD39030ADTPU28R
Manufacturer
STMicroelectronics
Introduction
Low Dropout Linear Voltage Regulator for Power Management
Product Features and Performance
Single LDO Regulator
Fixed 2.8V Output Voltage
Low Dropout Voltage of 0.33V at 300mA Load
Output Current up to 300mA
Quiescent Current of 40 µA
High PSRR of 80dB at 1kHz
PSRR range of 80dB to 55dB from 1kHz to 100kHz
Enables superior noise performance
Product Advantages
Optimized for battery-powered applications
High PSRR for noise-sensitive circuits
Low quiescent current for power saving
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 2.8V
Current - Output: 300mA
Voltage Dropout (Max): 0.33V @ 300mA
Current - Quiescent (Iq): 40 µA
Control Features: Enable
Protection Features: Over Current, Over Temperature, Soft Start
Quality and Safety Features
Built-in Over Current Protection
Over Temperature Protection
Soft Start to limit inrush current
Compatibility
Compatible with 5.5V input sources
Designed for surface mount technology (SMT)
Application Areas
Mobile Phones
Portable Media Players
Wireless Modules
Healthcare Devices
Product Lifecycle
Status: Active
Not nearing discontinuation
Availability of replacements or upgrades not specified
Several Key Reasons to Choose This Product
High efficiency for longer battery life in portable devices
Excellent line and load regulation
Small footprint with 4-XDFN Exposed Pad package
Easy integration in a wide range of applications
Robust thermal and current protection features
High-performance regulation suitable for RF and analog circuits