IP2003ATR

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Introduction

The IP2003ATR is a DC-DC switching regulator designed for low power applications. It is a well-integrated package with a wide operational input voltage range, wide output voltage range, programmable current limit, precise output power, and low RDS(on) MOSFET. It provides high efficiency, fast transient response, reliable thermal performance, and excellent EMI characteristics.

Application Field

The IP2003ATR is designed for 9V-36V input systems with a wide range of output voltage. It is ideal for applications such as automotive, industrial, medical, white goods, wireless communications, and professional audio/video. It supports a wide range of operating modes and can be used in a variety of applications, including step-down, step-up, boost, and buck-boost.

The IP2003ATR offers a wide range of operating frequencies from 250kHz to 1.2MHz, making it suitable for a variety of applications. It also has adjustable current limit, making it ideal for high power applications. The IP2003ATR can be used with both linear and switching power supplies, making it a versatile solution for multiple applications.

Working Principle

The IP2003ATR uses a switching topology to step down the input voltage to the desired output. It is a synchronous buck converter, which means that no external inductor is required. A high side and a low side MOSFET are used to switch the input voltage at a constant frequency. The internal MOSFET enables fast switching and provides a low RDS(on) compared to other solutions.

The IP2003ATR has an internal oscillator that is used to regulate the switching frequency. An internal LDO is used for the feedback loop which controls the output voltage. The switching frequency can be adjusted via an external resistor or the internal oscillator. In addition, the IP2003ATR has current mode control to provide improved line and load transient response.

The IP2003ATR has an internal current sensing circuit for over current protection, as well as under voltage lockout (UVLO) and over temperature protection. It also has short circuit protection and thermal shutdown. The UVLO and thermal shutdown can be adjusted with an external resistor.

Conclusion

The IP2003ATR is a DC-DC switching regulator designed for low power applications. It has a wide input voltage range, programmable current limit, and low RDS(on) MOSFET. The IP2003ATR can be used in a variety of applications, including step-down, step-up, boost, and buck-boost. It offers a wide range of operating frequencies, adjustable current limit, current mode control, and protection features. The IP2003ATR is ideal for applications such as automotive, industrial, medical, white goods, wireless communications, and professional audio/video.

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