Manufacturer Part Number
LM78L12ACZ
Manufacturer
Texas Instruments
Introduction
The LM78L12ACZ is a dedicated Power Management Integrated Circuit (PMIC) designed for providing a stable 12V output from a higher voltage input, specifically tailored for applications requiring low current up to 100mA.
Product Features and Performance
Fixed 12V output with a maximum input voltage of 35V
Supports a load current up to 100mA
Low quiescent current of 3 mA enhancing power efficiency
Equipped with Over Temperature and Short Circuit protection for enhanced reliability
Demonstrates a Power Supply Rejection Ratio (PSRR) of 54dB at 120Hz, ensuring stable operation under varying input conditions
Product Advantages
High reliability and robustness due to built-in protection features
Simple to design in, owing to its linear regulation nature and minimal external components requirement
Suitable for a wide range of operating temperatures from 0°C to 125°C
Key Technical Parameters
Voltage Input (Max): 35V
Voltage Output (Min/Fixed): 12V
Current Output: 100mA
Current Quiescent (Iq): 3 mA
PSRR: 54dB (120Hz)
Operating Temperature: 0°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Compatibility
Through Hole mounting type for broad compatibility with various board designs
Encapsulated in a TO-92-3 package ideal for designs requiring high reliability in small form factor
Application Areas
Power supplies
Consumer Electronics
Low power instrumentation
Peripheral devices
Product Lifecycle
Obsolete status, indicating that it is nearing the end of its product lifecycle. Customers should seek replacements or upgrades for future designs.
Several Key Reasons to Choose This Product
Reliable and stable fixed output voltage regulator from a well-known manufacturer, Texas Instruments, ensuring product quality and performance
Built-in safety features significantly reduce the risk of damage from overtemperature or short circuits, extending product life
Low quiescent current enhances the energy efficiency of the end application
General compatibility with a broad range of applications due to its simple design requirements and operating parameters
Despite its obsolescence, it remains a suitable choice for repair, maintenance, or low-volume production where newer alternatives are not necessary or compatible
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