AN79L12M

Current - Output:	100mA
Base Part Number:	AN79L12
Supplier Device Package:	3-HSIP
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 100°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	52dB (120Hz)
Current - Quiescent (Iq):	5mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-12V
Voltage - Input (Max):	-35V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Obsolete
Packaging:	Bulk

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Introduction

The AN79L12M voltage regulator (also referred to as the AN79L12) is a linear voltage regulator that features low-dropout (LDO) performance. The device is used in various applications such as point-of-load and low-dropout voltage regulators, current sources, and programmable voltage references. The device is capable of handling a wide range of voltages, current and temperature ranges and provides very low output voltage ripple and low-power consumption.

Application Field

The AN79L12M is commonly used for many different application fields, such as in DC/DC converters, voltage reference circuits, analog-to-digital/digital-to-analog converters, low noise regulators, switched-mode power supplies, and current sources. For example, in switching power supplies, the AN79L12M is used to convert large input voltages to smaller, accurate output voltages, maintaining power efficiency and fast transient responses. It can also be used in the medical industry since it provides very low output voltage ripple and very low dropout performance. The AN79L12M is also used in automotive applications, such as in engine electronics, airbag systems, and fuel injection systems. It is a great choice for automotive applications, as it provides high accuracy regulation and low-power consumption. It can be used in battery-powered systems since it provides high efficiency and low quiescent current.

Working Principle

The AN79L12M works by regulating an input voltage. When the voltage levels of the input voltage change, the output voltage of the device remains constant. The device uses a high-precision voltage reference to regulate the output voltage and maintains a constant output voltage even if the input voltage changes.The device is a non-inverting, two-terminal regulator, and it is designed to be used with a variety of power sources. It has a wide input range of 2.5V to 18V and a maximum output voltage of 10V. The device has a high power conversion efficiency and low-power consumption, which makes it ideal for applications where power efficiency is critical. As for load regulation, it can achieve extremely low load regulation of 0.1%. In addition, the AN79L12M features an adjustable current-limit, which is adjustable from 0.5A to 3A. This current limit feature allows the device to protect other components from overloading due to an excessive load current. The device also has thermal protection, which prevents the device from overheating by shutting down the device when the temperature exceeds a certain limit.

Conclusion

The AN79L12M is a low-dropout, linear voltage regulator that is used in various applications such as DC/DC converters, voltage reference circuits, analog-to-digital/digital-to-analog converters, low noise regulators, switched-mode power supplies and current sources. The device has a wide input voltage range and a maximum output voltage of 10V. It also offers very low load regulation of 0.1%, and an adjustable current limit of 0.5A to 3A. Additionally, the device has thermal protection for preventing overheating. Thanks to its remarkable performance and wide application field, the AN79L12M is a great choice for many applications.

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