Manufacturer Part Number
LD39100PURY
Manufacturer
stmicroelectronics
Introduction
The LD39100PURY is a high-performance, adjustable Low Drop-Out (LDO) voltage regulator part of the Power Management Integrated Circuits (PMICs) category, specifically designed to deliver stable output with a wide input voltage range.
Product Features and Performance
Adjustable output voltage from 0.8V to 4.6V
Maximum output current of 1A
Low dropout voltage of 0.4V at 1A
Quiescent current of 50 µA
Maximum supply current of 300 µA
Power supply rejection ratio (PSRR) of 70dB to 65dB between 1kHz and 10kHz
Features include Enable and Power Good for sophisticated control
Protection against over current, over temperature, and short circuit
Product Advantages
Wide operating voltage range suitable for various applications
High efficiency with low dropout performance
Minimal quiescent current enhances battery life in portable applications
Comprehensive protection features ensure reliability and safety
Automotive-grade quality and AEC-Q100 qualification
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 0.8V
Voltage Output (Max): 4.6V
Voltage Dropout (Max): 0.4V @ 1A
Current Output: 1A
Current Quiescent (Iq): 50 µA
PSRR: 70dB ~ 65dB (1kHz ~ 10kHz)
Quality and Safety Features
Over current protection
Over temperature protection
Short circuit protection
AEC-Q100 qualification for automotive applications
Compatibility
Compatible with a wide range of input voltages for versatile applications
Surface Mount 6-VDFN Exposed Pad package for easy integration into various circuit designs
Application Areas
Automotive systems
Battery-powered devices
Portable electronics
Power management systems
Product Lifecycle
Status: Active
Not nearing discontinuation, ensuring long-term availability
Replacements or upgrades are available if needed
Several Key Reasons to Choose This Product
Broad input voltage range and adjustable output for versatility
Low dropout performance for efficient power use
Comprehensive protection features for enhanced safety and reliability
AEC-Q100 automotive qualification ensures high standards
Extremely low quiescent current beneficial for battery-powered applications
Support for complex control setups with Enable and Power Good features