Manufacturer Part Number
LDLN025J28R
Manufacturer
stmicroelectronics
Introduction
Low Drop Out linear voltage regulator for power management applications
Product Features and Performance
Positive fixed output voltage regulator
Single regulator output configuration
Low dropout voltage of 0.2V at 250mA load
Quiescent current of 25 µA
Supply current maximum of 425 µA
Power Supply Rejection Ratio (PSRR) ranging from 80dB to 60dB over 100Hz to 100kHz frequencies
Product Advantages
High PSRR minimizes supply noise
Low quiescent current enhances power efficiency
Soft Start feature reduces inrush current
Over Current, Over Temperature, and Short Circuit protection enhance reliability
Key Technical Parameters
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 2.8V
Output Current: 250mA
Voltage Dropout (Max): 0.2V @ 250mA
PSRR: 80dB ~ 60dB (100Hz ~ 100KHz)
Operating Temperature Range: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Short Circuit Protection
Soft Start feature
Compatibility
Surface Mount compatible
4-XFBGA, FCBGA package
Supplier Device Package: 4-FlipChip
Application Areas
Consumer electronics
Industrial controls
Medical devices
Telecommunications
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Replacement or upgrades not specified
Several Key Reasons to Choose This Product
Efficient power regulation for portable devices
Suited for noise-sensitive circuits due to high PSRR
Thermal protection and reliability with built-in safety features
Ultra-low dropout suitable for low voltage operations
Extended operational temperature range suitable for industrial use