Manufacturer Part Number
LD2981ABM50TR
Manufacturer
STMicroelectronics
Introduction
Low Dropout Linear Voltage Regulator
Product Features and Performance
Low dropout voltage of 0.375V at 100mA load
Fixed 5V output voltage
Support for up to 100mA current output
Operates with input voltages up to 16V
Power supply rejection ratio (PSRR) of 63dB at 1kHz
Quiescent current of 150 µA
Supply current maximum of 2.6 mA
Enable control feature for power saving
Over current and over temperature protection
Product Advantages
High-efficiency operation due to low dropout
Stable output with good noise rejection
Minimal power loss
Long-lasting reliability with built-in protection features
Suitable for battery-powered applications due to low quiescent current
Key Technical Parameters
Voltage Input (Max): 16V
Voltage Output (Min/Fixed): 5V
Current Output: 100mA
Voltage Dropout (Max): 0.375V
Current Quiescent (Iq): 150 µA
PSRR: 63dB
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Compatibility
Surface Mount SC-74A, SOT-753 package
Compatible with other devices requiring similar voltage levels and power supply characteristics
Application Areas
Consumer Electronics
Portable Devices
Power Management Solutions
Product Lifecycle
Active product status
Not nearing discontinuation
Availability of replacements or upgrades to newer LDO regulators by STMicroelectronics
Several Key Reasons to Choose This Product
Reliable performance from a leading semiconductor manufacturer
Suitable for compact designs due to small SOT-23-5 package
Energy efficient for battery-sensitive applications
Broad operating temperature range for diverse environments
Ease of integration with enable control feature
Comprehensive protection features safeguarding the device and the system
LD2981ABM40TRSTMicroelectronics