Manufacturer Part Number
LDLN025M28R
Manufacturer
stmicroelectronics
Introduction
The LDLN025M28R is a low drop out (LDO) regulator from STMicroelectronics, designed for power management applications.
Product Features and Performance
Positive output configuration
Fixed output voltage of 2.8V
Capable of delivering up to 250mA output current
Low dropout voltage of 0.2V at 250mA load
Low quiescent current of 25 µA, increasing to 425 µA at maximum load
Excellent Power Supply Rejection Ratio (PSRR) ranging from 80dB to 60dB across 100Hz to 100KHz frequencies
Features enable control input for advanced power management
Provides over-current, over-temperature, and short-circuit protection along with a soft-start feature to minimize in-rush current
Operating temperature range from -40°C to 125°C, suitable for various environmental conditions
Surface mount packaging in SC-74A, SOT-753 format for compact PCB designs
Product Advantages
High-efficiency operation due to low dropout voltage
Low power consumption with minimal quiescent current
Robust protection features ensure long-term reliability under fault conditions
PSRR feature maximizes performance in noisy environments
Wide operating temperature range makes it suitable for industrial applications
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 2.8V
Max Current Output: 250mA
Voltage Dropout (Max): 0.2V @ 250mA
Quiescent Current (Iq): 25 µA
Supply Current Max: 425 µA
PSRR: 80dB ~ 60dB (100Hz ~ 100KHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Short Circuit Protection
Soft Start mechanism
Compatibility
Compatible with a wide range of microcontrollers and digital devices requiring 2.8V power supply
Surface Mount Technology (SMT) compatible with standard PCB manufacturing processes
Application Areas
Consumer Electronics
Portable and Battery-powered Devices
Industrial Control Systems
Telecommunications Equipment
Product Lifecycle
Currently listed as Active
No indications of nearing discontinuation, replacements, or upgrades at this time
Several Key Reasons to Choose This Product
High efficiency and reliability for sensitive electronics
Low operational cost due to reduced power consumption
Customizable power management with enable control feature
Robust safety features protect the lifetime of both the LDO and connected components
Versatility in application across a broad range of industries and devices
