LM79L15ACMX Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-35V
Voltage - Output (Min/Fixed):	-15V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	100mA
Current - Quiescent (Iq):	6mA
PSRR:	50dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LM79

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Introduction

The LM79L15ACMX is a linear, low-dropout (LDO) voltage regulator IC that can provide up to 1.5 A of current. It is typically used for low-noise or low-power applications, such as powering contactless smart cards, secure microcontrollers, and other similar ICs from a single lithium-ion battery source. The LM79L15ACMX provides up to 1.5 A current and has a wide input/output (I/O) voltage range of 2.5 V, 3.3 V, 5 V, and 12 V. This makes it suitable for a variety of low-noise, low-power application requirements.

Application Field

The LM79L15ACMX is used in a wide variety of applications in many industries. It is a popular choice for contactless smart cards, secure microcontrollers, and other low-power ICs that require low-noise and low-power supply. It is also suitable for powering any applications with a single lithium-ion battery source such as data acquisition systems, portable medical devices and mobile communications systems.In the consumer electronics field, the LM79L15ACMX is widely used to power digital cameras, digital audio players, portable music players, and other similar devices. Its high current output and wide input/output voltage range makes it suitable for the requirements of these devices.In the automotive industry, this IC is used for powering engine and car control systems, airbag controls, and GPS receivers. Its low-dropout voltage and wide input/output voltage range make it an ideal choice for this application.Lastly, it is also used for industrial and communications applications, where its high current capability, wide input/output voltage range, and low drop-out voltage make it the ideal choice.

Working Principle

The LM79L15ACMX is a low-dropout, linear voltage regulator IC. It operates by controlling the voltage output of the Regulator through a series of PNP and NPN transistors arranged in a control circuit. This regulator has an internal temperature control, which adjusts the current flow and voltage output according to the temperature of the device.The current output of the LM79L15ACMX is directly proportional to the voltage drop across the Output Voltage Selector (OVS), which controls the output voltage. The Output Voltage Selector is adjustable and can be set to either 2.5 V, 3.3 V, 5 V, or 12 V. The regulator also has a Shutdown Control input, which is an open drain and can be used to turn the IC off whenever required.

Conclusion

The LM79L15ACMX is a linear, low-dropout voltage regulator IC that can provide up to 1.5 A of current. It is commonly used for low-noise or low-power applications like powering contactless smart cards, secure microcontrollers and other similar ICs from a single lithium-ion battery source. It also has a wide input/output voltage range of 2.5 V, 3.3 V, 5 V, and 12 V, making it suitable for a variety of applications ranging from consumer electronics, automotive, and industrial use. The IC operates by controlling the voltage output of the regulator through a series of PNP and NPN transistors arranged in a control circuit, and has an internal temperature control which adjusts the current flow and voltage output according to the temperature of the device.

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