Manufacturer Part Number
LE33CZ-AP
Manufacturer
STMicroelectronics
Introduction
A low-dropout linear voltage regulator designed for power management applications.
Product Features and Performance
Fixed 3.3V output voltage
Low dropout voltage of 0.5V @ 100mA
Maximum input voltage of 18V
100mA output current capability
Excellent power supply rejection ratio (PSRR) of 80dB @ 120Hz to 60dB @ 10kHz
Quiescent current of 1mA
Maximum supply current of 3mA
Stable with low-ESR capacitors
Operates over a wide temperature range of -40°C to 125°C
Product Advantages
Minimal power loss due to low dropout voltage
Suitable for battery-powered applications
High PSRR improves power supply noise immunity
Low quiescent current for energy-saving
Robust thermal and over-current protection
Key Technical Parameters
Single regulator output
Fixed output voltage of 3.3V
Maximum input voltage of 18V
Voltage dropout max: 0.5V @ 100mA
Current - Output: 100mA
Quiescent current (Iq): 1mA
Supply current max: 3mA
Quality and Safety Features
Protection against over-current conditions
Over-temperature protection for device safety
Through Hole mounting for secure PCB attachment
Compatibility
Compatible with a variety of capacitors for stable operation
Through Hole TO-92-3 package suitable for standard PCB layouts
Application Areas
Consumer electronics
Portable devices
Embedded systems
Power management circuits
Product Lifecycle
Active product status, no near discontinuation
Replacements or upgrades may be available based on the base product number LE33
Several Key Reasons to Choose This Product
High-reliability LDO for consistent performance
Energy-efficient operation conserves battery life
Comprehensive protection safeguards against system failures
Broad compatibility for hassle-free integration
Extended operational temperature range for challenging environments
Versatile applications from household to industrial sectors
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