Manufacturer Part Number
LE50CD-TR
Manufacturer
STMicroelectronics
Introduction
The LE50CD-TR is a low dropout (LDO) linear voltage regulator designed for power management, specifically in compact electronic devices.
Product Features and Performance
Positive output configuration with a fixed 5V output voltage
Supports input voltages up to 18V
Low dropout voltage of 0.5V @ 100mA load
Output current capacity of 100mA
Quiescent current of 1 mA, minimizing standby power consumption
High PSRR of 76dB ~ 60dB across 120Hz to 10kHz frequencies, ensuring stable output despite fluctuations in input voltage
Integrated over current and over temperature protection for enhanced reliability
Active product status, indicating ongoing manufacture and support
Product Advantages
Low dropout voltage enables efficient use in systems with closely matched input and output voltages
High PSRR value ensures clean and stable output voltage, critical for sensitive electronic devices
The comprehensive protection features extend product lifespan by safeguarding against abnormal operating conditions
Low quiescent current is beneficial for battery-powered applications, extending battery life
Key Technical Parameters
Voltage Input (Max): 18V
Voltage Output (Min/Fixed): 5V
Voltage Dropout (Max): 0.5V @ 100mA
Current Output: 100mA
Current Quiescent (Iq): 1 mA
Current Supply (Max): 3 mA
PSRR: 76dB ~ 60dB (120Hz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current and Over Temperature Protection
Compatibility
Surface Mount 8-SOIC package compatible with standard PCB manufacturing processes
Application Areas
Ideal for use in battery-powered devices, portable electronics, and systems requiring stable voltage supply under variable input conditions
Product Lifecycle
The LE50CD-TR is currently marked as an active product, indicating it is still in production with no current plans for discontinuation. Replacements or upgrades are typically available for active products.
Several Key Reasons to Choose This Product
Highly efficient for extending battery life in portable applications due to low dropout voltage and quiescent current
Robust power supply stability enhanced by high PSRR, making it suitable for noise-sensitive circuits
Comprehensive protection features safeguard the longevity and reliability of both the regulator and the device it powers
Active product status ensures availability and ongoing support from STMicroelectronics
Broad compatibility with existing PCB manufacturing techniques facilitates ease of design and integration into various applications
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