PT6521LT

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DC DC Converters

The PT6521LT is a two-way DCDC converter, specifically designed for application in the automotive industry as controlling power supply circuits such as inline and dual outputs, the PT6521LT is also very popular for providing reliable power in industrial control, telecommunications, instrumentations, cellular phones, and even consumer electronics. The PT6521LT DC/DC converter has the following features:

• Wide input voltage range between 3.3V and 25V.
• High efficiency up to 95%.
• Integrated smart PWM regulation.
• Low EMI and ESD ratings.
• Programmable PWM frequency up to 650KHz.

PT6521LT works on a basic principle of converting high voltage level from the input to low voltage level at the output. Its wide input voltage range and high efficiency make it suitable for high-power applications. It is also designed for reliable operation even in tough environments and for controlling multiple output power supplies. In addition, it will provides adjustable output voltage for different applications.

The PT6521LT uses a switched capacitor to step-down the voltage and a series of MOSFETs to regulate the output voltage. The MOSFETs are connected in a synchronous rectifier configuration, so the output voltage is synchronized to the input voltage. The MOSFETs are protected from ESD and EMI effects through an internal ESD protection circuit.

The PWM regulator allows the PT6521LT converter to accurately regulate the output voltage and to provide current limit protection. The PWM frequency is programmable from 0.1KHz up to 650KHz. This allows the PT6521LT to operate in a wide frequency range, thus improving the system efficiency and reducing power losses. The PWM frequency can also be adjusted in order to reduce the converter noise.

The PT6521LT supports analog and digital control. The analog control allows the user to adjust the output voltage using voltage loop feedback. The digital control is used to program the outputs of the converter. The microprocessor can be connected to the converter via I2C bus interface.

The PT6521LT converter has several advantages over conventional switching regulators. It has low EMI, minimal power dissipation, and high reliability. In addition, the converter supports parallel operation, allowing it to provide higher current outputs. In summary, the PT6521LT is an easy to use and reliable power converter, suitable for a wide range of applications.

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