TLE4275QPWPRQ1 Integrated Circuits (ICs)

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TLE4275QPWPRQ1 Application Field and Working Principle

TLE4275QPWPRQ1 is an integrated voltage regulator manufactured by Infineon. It is a high-performance linear voltage regulator, built on an on-chip advanced control architecture with an integrated switch technology and advanced control algorithms, providing enhanced system performance and curative range, while realizing a fast transient response. The 0.3 A stator current TLE4275QPWPRQ1 is designed for automotive DC-DC applications with low outputs. Its features include low quiescent current, wide input voltage, high load currents, and fast transient capacitors. It also features an integrated current limit protection, over temperature protection and reverse protection. All of these features make the TLE4275QPWPRQ1 an ideal choice for automotive DC-DC applications.

Application Field

The TLE4275QPWPRQ1 is suitable for DC-DC Converter applications including automotive systems and mobile devices. Specifically, it can be used for automotive ON board and/or OFF board charger/converter solutions, such as Power over Ethernet or 12/24V automotive battery converters. It also can be used for general purpose DC-DC converters in mobile phone, laptop, and other hand-held devices.

Working Principle

The TLE4275QPWPRQ1 uses a Pulse Width Modulation Voltage Control Loop (PWM VCL) architecture to achieve frequent high switching frequency, low output voltage ripple, and good line and load transient response and better output accuracy. The device uses an integrated edge-controlled MOSFET switch, providing low on-state resistance, and high-current capability, resulting in low switching losses, higher efficiency and low noise operation.

The voltage regulation loop operates over a wide range of temperatures and line and load conditions. The TLE4275QPWPRQ1 has a Pulse Frequency Modulation (PFM) mode, which reduces switching loss and power consumption under heavy load conditions. It also features a soft regulator start-up operation to minimize inrush current and ensure compatibility with the power supply.

Conclusion

The TLE4275QPWPRQ1 is a high-performance linear voltage regulator designed for automotive DC-DC applications with low outputs. Advanced on-chip control architecture and integrated switch technology allow the device to deliver excellent performance and curative range, while realizing a fast transient response. It features low quiescent current, wide input voltage, high load currents, fast transient capacitors, integrated current limit protection, over temperature protection and reverse protection. All of these features make the TLE4275QPWPRQ1 an ideal choice for automotive DC-DC applications.

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