Manufacturer Part Number
MC79L12ACLP
Manufacturer
Texas Instruments
Introduction
Low-dropout linear voltage regulator for negative voltage outputs
Product Features and Performance
Negative output fixed voltage regulator
Input voltage up to -27V
Output voltage -12V
Maximum output current 100mA
Voltage dropout at 1.7V with 40mA load
Power supply rejection ratio (PSRR) of 42dB at 120Hz
Product Advantages
High PSRR for minimized AC fluctuations on DC output
Over Temperature and Short Circuit protection for enhanced reliability
Low-dropout feature allows operation with a small input-output differential voltage
Key Technical Parameters
Output configuration: Negative
Output type: Fixed
Number of regulators: 1
Voltage - Input (Max): -27V
Voltage - Output (Min/Fixed): -12V
Current - Output: 100mA
PSRR: 42dB (120Hz)
Voltage Dropout (Max): 1.7V @ 40mA
Quality and Safety Features
Protection from over-temperature conditions
Short circuit protection mechanism
Compatibility
Mounting Type: Through Hole
Package / Case: TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package: TO-92-3
Application Areas
Consumer electronics
Industrial controls
Power management systems
Product Lifecycle
Last Time Buy status – nearing end of life
Check for potential replacements or upgrades
Several Key Reasons to Choose This Product
Texas Instruments' reputation for reliable and durable components
High performance in voltage regulation with excellent PSRR
Wide range of operating temperatures from 0°C to 125°C
Built-in safety features ensuring robust operation under fault conditions
Ease of integration with through-hole package design
Ideal for applications requiring stable negative voltage supply
Clear upgrade path with readily available information on replacements due to product's last-time-buy status
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