Manufacturer Part Number
LD1117D33
Manufacturer
stmicroelectronics
Introduction
The LD1117D33 is a low drop out (LDO) voltage regulator designed for power management in various applications, providing a fixed output of 3.3V.
Product Features and Performance
Positive output configuration
Fixed output voltage of 3.3V
Low dropout voltage: 1.2V at 800mA load
Output current capacity: 800mA
Power supply rejection ratio (PSRR): 75dB at 120Hz
Product Advantages
Low dropout enhances efficiency
Stable output with PSRR of 75dB maintains performance under varying loads
Over current and over temperature protection for safety
Key Technical Parameters
Voltage - Input (Max): 15V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 800mA
Voltage Dropout (Max): 1.2V @ 800mA
Current - Quiescent (Iq): 10 mA
Quality and Safety Features
Over Current protection
Over Temperature protection
Compatibility
Compatible with surface mount technology
Application Areas
Suitable for linear voltage regulation in consumer electronics, industrial and telecommunication systems
Product Lifecycle
Product Status: Obsolete
Availability of replacements or upgrades should be checked
Several Key Reasons to Choose This Product
High efficiency due to low dropout voltage
Supports up to 800mA output current, suitable for moderate power needs
Built-in protection features enhance device reliability and safety
Effective for a wide operating temperature range from 0°C to 125°C
Obsolescence status necessitates consideration for future-proofing with potential alternatives or upgrades