Manufacturer Part Number
MC78LC40HT1G
Manufacturer
onsemi
Introduction
The MC78LC40HT1G is a linear low dropout (LDO) voltage regulator designed for power management in various electronic devices, providing a fixed output of 4V from an input up to 12V.
Product Features and Performance
Outstanding low dropout voltage of 0.038V at 1mA load
Supports output currents up to 65mA
Extremely low quiescent current of 3.6 µA, optimizing battery life
Fixed output voltage of 4V for simplified design
Surface mount package for compact PCB layouts
Product Advantages
Enhanced battery life due to low quiescent current
High efficiency with minimal voltage dropout at low loads
Easy to integrate into various circuits with fixed output voltage
Robust operation from -40°C to 85°C
Key Technical Parameters
Voltage - Input (Max): 12V
Voltage - Output (Min/Fixed): 4V
Current - Output: 65mA
Voltage Dropout (Max): 0.038V @ 1mA
Current - Quiescent (Iq): 3.6 µA
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: TO-243AA
Quality and Safety Features
Designed to meet stringent quality and safety standards
Operating temperature range of -40°C to 85°C ensures reliability under varying conditions
Compatibility
Surface mount design compatible with modern PCB technology
Application Areas
Ideal for battery-operated devices, portable electronics, and low-power applications
Product Lifecycle
Obsolete - The product is in the obsolete phase, with considerations for replacements or upgrades necessary for future designs
Several Key Reasons to Choose This Product
Low dropout voltage enhances efficiency
Minimal quiescent current improves battery life in portable applications
Fixed output simplifies the design process
Wide operating temperature range allows for use in a variety of environments
Obsolete status necessitates careful planning for long-term product support and replacements