Manufacturer Part Number
LK112SM18TR
Manufacturer
STMicroelectronics
Introduction
Low Drop Out (LDO) Voltage Regulator for Power Management Applications
Product Features and Performance
Single Positive Output Fixed Voltage Regulator
Fixed Output Voltage of 1.8V
Maximum Input Voltage of 14V
Current Output Capability of 200mA
Low Quiescent Current of 250 µA
Power Supply Rejection Ratio (PSRR) of 55dB at 400Hz
Product Advantages
High Efficiency for Low Voltage Applications
Stable Operation with Low Dropout
Minimal Design Complexity
Key Technical Parameters
Voltage - Input (Max): 14V
Voltage - Output (Min/Fixed): 1.8V
Current - Output: 200mA
Current - Quiescent (Iq): 250 µA
PSRR: 55dB (400Hz)
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Protection against Over Current
Over Temperature Protection
Compatibility
Compatible with Surface Mount Technology (SMT)
Mounting Type: Surface Mount
Package/Case: SC-74A, SOT-753
Supplier Device Package: SOT-23-5
Application Areas
Consumer Electronics
Telecommunications
Computing
Industrial Applications
Product Lifecycle
Status: Active
Recommendation to verify for latest generation products and potential upcoming discontinuation
Several Key Reasons to Choose This Product
STMicroelectronics' reputation for reliability and quality
Low dropout perfect for battery-operated devices
High PSRR for noise-sensitive applications
Wide Operating Temperature Range suitable for harsh environments
Efficient power management for extending device battery life
Surface Mount Package for modern PCB manufacturing processes