MC79L24ACPRM

Voltage Dropout (Max):	1.7V @ 40mA (Typ)
Base Part Number:	MC79L**A
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	47dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-24V
Voltage - Input (Max):	-40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Obsolete
Packaging:	Tape & Box (TB)

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MC79L24ACPRM Application Field and Working PrincipleMC79L24ACPRM is a low dropout (LDO) three-terminal regulator with current limiting and thermal protection. It is widely used in a variety of applications, including portable and cost-sensitive peripherals, communications, consumer, battery and industrial products. The LDO regulator features a wide input voltage range (1V to 24V) and output voltage range (0.8V to 24V).In most applications, a MC79L24ACPRM output voltage is adjustable. It offers fast current limit and thermal shut-down protection with excellent load and line transient response.It can also run on extremely low input supply voltages and has a low dissipation of power, making it an ideal choice for battery-operated applications.MC79L24ACPRM uses a low dropout voltage regulator as its main component. This device has a three-terminal design and an adjustable output voltage that is determined by an external resistor divider. The regulator is designed to regulate a wide input voltage range from 1V–24V with an output voltage accuracy of ±2% over a temperature range of -40°C to +85°C.The main principle behind the operation of a MC79L24ACPRM voltage regulator is the operation of a transistor in its various modes. In the linear mode, the output voltage is determined by a resistor divider network composed of two resistors connected to the Voltage Adjust Pin. The output voltage is determined by the ratio of the two resistors. When the output voltage is set above the input voltage, the transistor operates in linear mode, allowing the current to flow directly from the input to the output. The voltage drop between the input and output will depend on the amount of current supplied by the output, and this relationship is known as the output impedance.The MC79L24ACPRM voltage regulator also features current limiting and thermal protection. When excessive heat is detected, the chip will reduce its output current to limit the heat generated by the chip, thus protecting it from damage. In addition, the regulator features overvoltage protection, which will allow the voltage to remain constant even under severe output load variations.Overall, the MC79L24ACPRM voltage regulator is an ideal choice for cost-sensitive and low power applications. Its small size, high reliability and robust design make it a great choice for use in portable and battery-operated devices. With its wide input and output voltage range, it can provide reliable output voltages even in extreme environmental conditions. Lastly, its low dropout voltage and high accuracy make it an ideal regulator for low power and precision applications.

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