The LM78H24K is a three – terminal fixed – voltage positive – voltage regulator integrated circuit. Here is a description of its functions:
Voltage Regulation
It is designed to provide a stable output voltage of +24V. It can maintain this output voltage within a certain tolerance range regardless of changes in the input voltage or load current, which is crucial for power – sensitive electronic devices that require a stable power supply.
High – Current Capability
The “H” in its model indicates that it has a relatively high – current – handling capacity. It can supply a significant amount of current to the load, typically several amperes, enabling it to power multiple electronic components or circuits that require a relatively large amount of power.
Over – Voltage and Over – Current Protection
The LM78H24K is equipped with built – in protection mechanisms. It can protect the circuit from over – voltage conditions, preventing damage to the connected devices when the input voltage exceeds a certain limit. It also has over – current protection to prevent the IC from being damaged when the load current is too large.
Thermal Protection
To ensure reliable operation under different working conditions, the LM78H24K has thermal protection. When the chip temperature rises to a certain level due to high power consumption or other reasons, the thermal protection circuit will be activated to limit the output current or turn off the regulator to prevent the chip from being damaged by overheating.
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