Manufacturer Part Number
LDF33PT-TR
Manufacturer
STMicroelectronics
Introduction
LDF33PT-TR is an LDO Voltage Regulator for power management applications.
Product Features and Performance
Positive Output Configuration
Fixed Output Type
Single Regulator
Maximum Input Voltage 16V
Fixed Output Voltage 3.3V
Maximum Voltage Dropout 0.5V at 1A load
Output Current 1A
Quiescent Current 800 µA
Good PSRR: 60dB at 120Hz to 45dB at 100kHz
Product Advantages
High PSRR in a broad frequency range
Low voltage dropout suitable for battery-powered devices
Built-in protection features for enhanced safety
Key Technical Parameters
Voltage - Input (Max): 16V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 1A
Voltage Dropout (Max): 0.5V @ 1A
Current - Quiescent (Iq): 800 µA
PSRR: 60dB ~ 45dB (120Hz ~ 100kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Under Voltage Lockout (UVLO)
Compatibility
Surface Mount Mounting Type
TO-252-5, DPAK (4 Leads + Tab), TO-252AD Package / Case
Application Areas
Suitable for a broad range of electronic applications in Power Management
Product Lifecycle
Obsolete
Potential replacement or upgrading options may be available
Several Key Reasons to Choose This Product
Regulator with a good balance between performance and size
Low quiescent current for power-saving applications
High-reliability protection features
Suitable for high-temperature operations up to 125°C
Ideal for compact designs with surface mount package
