Manufacturer Part Number
LD1117AS33TR
Manufacturer
STMicroelectronics
Introduction
The LD1117AS33TR is a linear voltage regulator providing low dropout and stable output.
Product Features and Performance
Fixed 3.3V output voltage
Maximum input voltage of 15V
1A output current
3V maximum voltage dropout at full load
Power supply rejection ratio (PSRR) of 75dB at 120Hz
Product Advantages
Low dropout improves efficiency
Stable output suitable for sensitive electronics
High PSRR minimizes noise from power supply variation
Key Technical Parameters
Voltage - Input (Max): 15V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 1A
Voltage Dropout (Max): 1.3V @ 1A
Current - Quiescent (Iq): 10 mA
Operating Temperature: 0°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
SOT-223 package compatible with surface mount technology
Application Areas
Consumer Electronics
Industrial Controls
Telecommunications
Computing
Product Lifecycle
Active status
No indication of nearing discontinuation
Replacements or upgrades should be confirmed with STMicroelectronics directly
Several Key Reasons to Choose This Product
Low dropout voltage for better performance in tight voltage environments
High PSRR for reduced electrical noise in output voltage
Wide operating temperature range suitable for various conditions
Integrated protection features increase product reliability
Versatile application in multiple industries due to stable 3.3V output