Manufacturer Part Number
LD59030DTPU30R
Manufacturer
stmicroelectronics
Introduction
The LD59030DTPU30R is a fixed-output, low dropout linear regulator designed for power management, ensuring stable voltage supply.
Product Features and Performance
Low dropout voltage of 0.23V at 300mA output
Fixed output voltage of 3V
Maximum input voltage of 5.5V
Single regulator configuration
Positive output configuration
Power supply rejection ratio ranges from 75dB to 55dB between 1kHz and 100kHz
Enabled with control features
Temperature and short-circuit protection
Product Advantages
High efficiency due to low quiescent current of 40 µA
Robust protection features ensure device longevity
Ultra-small package suitable for compact applications
Key Technical Parameters
Input Voltage Max: 5.5V
Output Voltage Min/Fixed: 3V
Voltage Dropout Max: 0.23V @ 300mA
Output Current: 300mA
Quiescent Current (Iq): 40 µA
Supply Current Max: 305 µA
PSRR: 75dB ~ 55dB from 1kHz to 100kHz
Quality and Safety Features
Over-temperature protection
Short-circuit protection
Compatibility
Surface mount compatibility with 4-XDFN exposed pad packaging
Enable feature for controlled usage
Application Areas
Ideal for regulated power supply in compact electronic devices such as wearables, smart sensors, and other portable applications.
Product Lifecycle
Currently, the product status is active with no indication of nearing discontinuation.
Replacement or upgrade options are available if necessary.
Several Key Reasons to Choose This Product
Ensures stable operation within a wide operation temperature range from -40°C to 125°C
Minimal dropout enhances efficiency in low voltage applications
Excellent noise performance suitable for sensitive electronics.
Small footprint DFN package saves space on PCBs
Robust in-built protections increase reliability under adverse conditions.