Manufacturer Part Number
L78L18ACUTR
Manufacturer
STMicroelectronics
Introduction
L78L18ACUTR is a linear voltage regulator that provides a fixed 18V output.
Product Features and Performance
Fixed 18V output voltage
Output current up to 100mA
Operates within a wide input voltage range up to 40V
Positive output configuration
Low quiescent current of 6 mA
High Power Supply Rejection Ratio (PSRR) of 38dB at 120Hz
Product Advantages
Efficiency in maintaining a stable output voltage
Low dropout performance allows operation close to the input voltage
Over current, over temperature, and short circuit protection enhance safety
Key Technical Parameters
Number of Regulators: 1
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 18V
Current - Output: 100mA
Current - Quiescent (Iq): 6 mA
Current - Supply (Max): 6.5 mA
PSRR: 38dB (120Hz)
Quality and Safety Features
Built-in protection features prevent damage from over current, over temperature, and short circuits
Compatibility
Compatible with various electronic circuits requiring a stable 18V supply
Mounting Type: Surface Mount
Package / Case: TO-243AA
Supplier Device Package: SOT-89-3
Application Areas
Consumer Electronics
Power Management Systems
Embedded Systems
Industrial Controls
Product Lifecycle
Status: Active, not nearing discontinuation
Continued manufacturer support with replacements and possible upgrades
Several Key Reasons to Choose This Product
Reliable output voltage stabilization for consistent performance
Integrated safety features for robust operation
High input voltage range compatibility, making it versatile for different applications
STMicroelectronics' reputation for producing quality components
Compact surface mount package suitable for space-constrained applications
L78L18AC-UTRSTMicroelectronics
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