Manufacturer Part Number
LD2985BM30R
Manufacturer
stmicroelectronics
Introduction
The LD2985BM30R is a low-dropout (LDO) linear voltage regulator, designed to provide fixed voltage output with high accuracy and stability.
Product Features and Performance
Low dropout voltage of 0.575V at 150mA load
Fixed output voltage of 3V
Output current capability up to 150mA
Low quiescent current of 150 µA, maximizing battery life
PSRR of 45dB at 1kHz, ensuring good noise rejection
Enable pin for power saving when not in use
Operating temperature range from -40°C to 125°C
Product Advantages
Ensures stable operation with low dropout design
High power supply rejection ratio improves performance
Energy-efficient with low quiescent current and enable feature
Key Technical Parameters
Input Voltage (Max): 16V
Output Voltage (Fixed): 3V
Current Output: 150mA
Dropout Voltage (Max): 0.575V @ 150mA
Quiescent Current: 150 µA
Supply Current (Max): 4 mA
PSRR: 45dB (1kHz)
Quality and Safety Features
Protection against overcurrent and over temperature conditions
Compatibility
Surface mount with SC-74A, SOT-753 package
Compatibility with standard SOT-23-5 package for easy upgrading or replacement
Application Areas
Suitable for battery-powered devices
Ideal for microcontroller power supply and other low power applications
Product Lifecycle
Currently active product with availability of replacements or upgrades with similar packaging
Several Key Reasons to Choose This Product
Low dropout voltage allows for efficient use in low headroom applications
High output accuracy and stability suitable for sensitive electronics
Enhanced power supply rejection minimizes external noise impact
Built-in safety features protect against circuit damage
Broad compatibility and easy integration into existing designs