LE33CZ-TR Integrated Circuits (ICs)

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The LE33CZ-TR is a low dropout (LDO) 3-terminal voltage regulator. It is a linear voltage regulator, meaning that it functions by using a voltage reference and series pass transistor controlled by that reference, resulting in a desired steady output voltage. This device has extremely low dropout voltage, and is designed with an internal thermal shutdown feature so that the device will quickly shut off if an overload event occurs. It also has excellent line and load regulation, and an industry-standard 3x3x1mm package for easy replacement.

The LE33CZ-TR is suitable for applications requiring high output voltage accuracy and very low dropout voltage performance. These applications include, but are not limited to, portable electronics, cellphones, and other low-power electronics. It is well suited for systems where a low dropout voltage is needed to avoid voltage sag, while still providing extremely quiet operation with a stable output voltage.

Technically speaking, the LE33CZ-TR device is a 3-terminal linear voltage regulator consisting of an n-channel pass transistor, a voltage reference, and a current source lead connected to a low dropout voltage regulator. It has a guaranteed input voltage range of 2.4V to 5.5V, and an output voltage range of 1.5V to 5.5V. The device offers very low dropout voltage, making it ideal for powering devices requiring low power supplies with very little headroom. It also has a wide operating temperature range of -40°C to +85°C and an output current limit of 50 mA.

The device works by using a Zener diode which creates a reference voltage within the circuit. This reference voltage is then used as the voltage input to a series pass transistor which then regulates the current according to the reference voltage. This generates an output voltage that is within a specified range, dependent on the reference voltage. The series pass transistor is then further regulated by an active current source in order to reduce power dissipation and maintain excellent line, load, and temperature regulation.

The LE33CZ-TR also has a very small form factor, which makes it very easy to integrate into most designs. It is designed primarily for applications where reliable, low power operation is needed but space is at a premium. Its small size and low power consumption also makes it ideal for battery powered applications such as cell phones, pagers, and laptops.

In short, the LE33CZ-TR is an ideal choice for providing stable, low noise power to your applications. With its extremely low dropout voltage and excellent line and load regulation, it is the perfect choice for portable, battery powered applications and other low-power electronic devices. Its small size also makes it ideal for integration into small and low powered designs.

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