Manufacturer Part Number
LM7818CT
Manufacturer
onsemi
Introduction
The LM7818CT is a fixed output, linear voltage regulator designed to provide a steady 18V output from an input up to 35V.
Product Features and Performance
Fixed 18V output voltage
Maximum input voltage of 35V
2V maximum dropout voltage at 1A (typical)
Output current capability of 1A
8 mA quiescent current
69dB Power Supply Rejection Ratio (PSRR) at 120Hz
Over Temperature and Short Circuit Protection
Product Advantages
High reliability with built-in protection features
Suitable for a wide range of input voltages
Low dropout voltage enhances efficiency
Minimal quiescent current aids in low power consumption
Good PSRR ensures stable output despite input voltage fluctuations
Key Technical Parameters
Voltage Input (Max): 35V
Voltage Output (Min/Fixed): 18V
Voltage Dropout (Max): 2V @ 1A (typical)
Current Output: 1A
Current Quiescent (Iq): 8 mA
PSRR: 69dB (120Hz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Temperature Protection
Short Circuit Protection
Compatibility
Through Hole Mounting
TO-220-3 Package
Application Areas
Power supplies
Consumer electronics
Industrial controls
Automotive Systems
Product Lifecycle
Obsolete
Please consult manufacturer for potential replacements or upgrades
Several Key Reasons to Choose This Product
Reliable operation ensured by overtemperature and short-circuit protection
Can be used with a wide input voltage range up to 35V
Low dropout voltage for improved efficiency
Supports applications requiring up to 1A of output current
Suitable for a variety of applications from consumer electronics to automotive systems
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