LE12CZ

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Linear Voltage Regulators, such as the LE12CZ, are a type of Power Management Integrated Circuit (PMIC). They provide a regulated supply voltage that is usually set according to the device’s specifications (input voltage range and output voltage range). The most common linear voltage regulators are line followers, that is, the output voltage tracks the input voltage as long as it is within the acceptable range.

These types of linear regulators require a relatively large input voltage in order to operate, since the output voltage is usually set to lower than the input supply. The difference in the input and output voltage is converted to heat, generated within the device. This can sometimes be a limiting factor and it is important to consider the resistor dissipation power and the total power dissipation when selecting the components.

The LE12CZ is a fixed output linear regulator that is available in a 3-pin through-hole package. It is optimized for operation in the 12V input and 5V regulated output ranges, with a maximum output current of 1A. The device requires a minimum input voltage of 10V, has an adjustable output voltage range of 4.5V to 5.5V, and offers good load and line regulation.

The main purpose of the LE12CZ is to provide a reliable, low-noise power supply. The device is designed to provide excellent stability and noise rejection even under severe load conditions. It also has a very low output impedance for improved RF noise immunity. The high input/output isolation allows for a wide input voltage range and thus it can be used in many applications.

Due to its robust design, the LE12CZ is ideal for operations in harsh environments. Its temperature-compensated current limit, short-circuit protection, and undervoltage lockout (UVLO) make the device suitable for stressful applications such as those found in automotive, industrial and medical systems. These protection features ensure that the device will remain stable and reliable even in the toughest conditions.

The LE12CZ also offers several additional features that make it suitable for a range of applications. It has an externally-adjustable current limit that can be adjusted to the required output load. An output short-circuit protection feature prevents damage to the device and load should excessive current be drawn. The output voltage can be adjusted using an external resistor divider. The device also features an internal frequency compensation to provide improved transient response.

In conclusion, the LE12CZ is an ideal device for providing a reliable, low-noise power supply for harsh and demanding applications. Its adjustable features, such as the adjustable current limit, output short circuit protection and externally adjustable output voltage, make it a versatile and robust voltage regulator. The temperature-compensated current limit and undervoltage lockout protect the device and load from a range of environmental stresses, making it suitable for a range of applications.

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