Manufacturer Part Number
L79L05ACD
Manufacturer
stmicroelectronics
Introduction
The L79L05ACD is a linear, low drop-out (LDO) regulator designed for power management, capable of providing a fixed negative output voltage of -5V.
Product Features and Performance
Provides a stable negative output voltage of -5V
Output current capability of up to 100mA
Low quiescent current of 5.5 mA, maximizing energy efficiency
Features over-temperature and short-circuit protection enhancing device reliability
High PSRR (Power Supply Rejection Ratio) of 49dB at 120Hz for noise reduction in power supply
Product Advantages
Reliability through internal protection features
Energy-efficient due to low quiescent current
Suitable for battery-powered devices due to its low power consumption
Key Technical Parameters
Output Configuration: Negative
Voltage Input (Max): -30V
Voltage Output (Min/Fixed): -5V
Current Output: 100mA
Current Quiescent (Iq): 5.5 mA
PSRR: 49dB (120Hz)
Operating Temperature Range: 0°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Compatibility
Surface mount compatible, within an 8-SOIC package, suitable for compact PCB layouts
Application Areas
Power supply circuits requiring a stable negative voltage output
Battery-powered devices
Electronic devices requiring noise reduction in power supply
Product Lifecycle
Classified as Obsolete, indicating the end of its production lifecycle
Users should seek replacements or consider upgrades for future designs
Several Key Reasons to Choose This Product
Reliable performance due to in-built protection features against overheating and short-circuits
High PSRR value ensures minimal noise interference in sensitive electronics
Low quiescent current enhances battery life in portable applications
Suitable for applications needing a stable -5V output with minimal energy waste
Although obsolete, its performance parameters offer insights for selecting suitable replacements
L79L05ACU/TRSTMicroelectronics
L79L05HGF