Manufacturer Part Number
LK112M33TR
Manufacturer
STMicroelectronics
Introduction
Linear Voltage Regulator, LDO, for Power Management Applications
Product Features and Performance
Low Drop Out (LDO) Regulatory Feature
Single Regulator Configuration
Fixed Output Voltage Type
Maximum Input Voltage of 14V
Fixed Output Voltage of 3.3V
Maximum Dropout Voltage of 0.35V at 150mA Load
Output Current Capacity of 150mA
Low Quiescent Current of 250 µA
Power Supply Rejection Ratio (PSRR) of 55dB at 400Hz
Enable Control Feature
Product Advantages
Precision Output Voltage for Reliable Operation
Low Dropout for Improved Efficiency
Compact SC-74A, SOT-753 Package
Key Technical Parameters
Voltage - Input (Max): 14V
Voltage - Output (Min/Fixed): 3.3V
Current - Output: 150mA
Voltage Dropout (Max): 0.35V @ 150mA
Current - Quiescent (Iq): 250 µA
Power Supply Rejection Ratio (PSRR): 55dB (400Hz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Surface Mount (SMT) for SC-74A, SOT-753 Footprint
Application Areas
Power Supply Design for Consumer Electronics
Industrial Control Systems
Embedded Systems
Portable and Battery-Powered Devices
Product Lifecycle
Active Product Status
No Indication of Nearing Discontinuation
Options for Upgrades or Replacements May Exist
Several Key Reasons to Choose This Product
Robust Thermal Performance Enabling Operation from -30°C to 125°C
Highly Efficient for Portable Device Power Management
Minimal Power Loss with Low Dropout Specification
Protection Features to Safeguard Against Electrical Abnormalities
Enables Cleaner Power Supply with Strong PSRR Characteristics
Easy Implementation in a Variety of Circuit Designs with Standard Package
Energy Saving with Low Quiescent Current
Wide Operating Temperature Range to Suit Harsh Environments