TLE4275GATMA1

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PMIC (Power Management Integrated Circuit) is a vital subordinate element in electronic design, to supply regulated and reliable voltage output. A voltage regulator is one of the most commonly used components in PMIC, and its consistent voltage output can replace the regulator circuit in the power supply of the system, which helps reduce the production cost and improves the reliability of the system.

The TLE4275GATMA1 is an integrated voltage regulator with advanced features and superior performance. Its circuitry consists of an error amplifier, voltage comparator and an internal reference to form a Second-order Relative Bandwidth Control (RBC) circuit, providing enhanced line and load disturbance immunity along with a low noise output.

The TLE4275GATMA1 has many applications. It can be used in computer systems to supply CPU, memory or peripheral chips, or digital subsystems like camera and display systems. It is also suitable for auxiliary/standby power supply in telephone systems and medical equipment. It is also suitable for linear regulation of Lithium Cell or 12V lead acid battery.

Working Principle

The TLE4275GATMA1 is a special integrated circuit (IC) that can provide adjustable linear regulated voltage. It features a three-pin voltage regulator which includes the input voltage (Pin 1), the output voltage (Pin 2), and the control voltage (Pin 3).

The IC\'s internal processor takes the input voltage from Pin 1 and compares it with the voltage from pin 3. When the input voltage is higher than the control voltage, the processor will turn off the internal switch (MOSFET), thus drawing no current from pin 1. When the input voltage is lower than the control voltage, the processor will turn on the internal switch and draw current from pin 1. This will cause the output voltage at pin 2 to drop, thus regulating the voltage at pin 2.

The pin 3 voltage is determined by an external potentiometer. When the external potentiometer rotates, the control voltage changes and adjusts the output voltage at pin 2. The output voltage of the IC will remain stable despite the changes of the input voltage or load current.

The TLE4275GATMA1 can also be connected to an integrated circuit (such as an amplifier or oscillator) to provide bias voltage for them. This will effectively improve the performance of the integrated circuit.

Key Features

The TLE4275GATMA1 has the following features that make it suitable for use in many applications:

• Low noise output and high precision.
• Low quiescent current.
• High ripple rejection.
• Wide input voltage and output voltage.
• Wide temperature and load range.
• Adaption of 6V to 20V Battery.
• Fast transient response.
• Unlimited voltage setting range.

Conclusion

The TLE4275GATMA1 can provide adjustable linear regulated voltage from 6V to 20V, and features low noise, low quiescent current, high ripple rejection and wide input voltage, high precision. It can be used in computer systems to supply CPU, memory or peripheral chips, or digital subsystems like camera and display systems, and can also be connected to an integrated circuit (such as an amplifier or oscillator) to provide bias voltage for them. Therefore, it is an ideal regulator solution for many applications.

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