L78M08ACDT

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	35V
Voltage - Output (Min/Fixed):	8V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	500mA
Current - Quiescent (Iq):	6mA
PSRR:	56dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Base Part Number:	L78M08A

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PMIC - Voltage Regulators - Linear Linear voltage regulators are ubiquitous for regulating the output voltage of a DC power supply. There are various types of voltage regulators available, each with its own characteristics and applications. Among them, the STMicroelectronics L78M08ACDT is a popular choice due to its wide input voltage range, fast response time, and low quiescent current, making it ideal for battery- operated devices. The L78M08ACDT is an adjustable voltage regulator that offers low dropout, low quiescent current, and high accuracy. It has a wide input voltage range from 2.5V to 18V, and can deliver up to 400mA of output current. It is available in several packages including TO-220-5, SOT-223, SOT-89, and TO-263. In addition, the device integrates several features including short-circuit protection, thermal shut-down protection, and over- temperature protection. The L78M08ACDT works by regulating the output voltage, which can be adjusted from 1.235V to 17V by external resistors. The device has a voltage-control pin, which is used to set the reference voltage of the output. The external resistors act as a voltage divider to modify the reference voltage based on the desired output voltage. The device also has two power inputs, VIN, which is the supply voltage, and VADJ, which is the adjust pin. When VADJ is lower than 0.2V, it is assumed to be connected to ground, thus the reference voltage is set to a fixed 1.235V. The output of the regulator is stable and controlled by both the load current and the internal compensation loop. The output voltage is proportional to the reference voltage and is determined by the following equation: VOUT = VREF * (1 + (R1/R2)). The STMicroelectronics L78M08ACDT is an excellent choice for applications that require fine-tuned output voltage control with fast response time, low dropout, and low quiescent current. It is well-suited for low-power applications such as battery-operated devices and portable electronics. Moreover, its high accuracy makes it suitable for precision designs, such as power supplies for industrial and scientific equipment.

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