TPS62207DBVR

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TPS62207DBVR is a member of a large family of integrated circuits from Texas Instruments. This particular IC is a Monolithic, low power, high efficiency, and low quiescent current step-down DC-DC converter.

This DC-DC converter is optimized for automated test equipment (ATE) and computing applications, such as PCs, servers, and other battery-powered applications. TPS62207DBVR is available in the SO package and delivers up to 3A from a VIN range of 4.75V to 5.5V. It is capable of providing regulated output voltages of 2.5V to 4.5V. Let’s learn more about its application field and working principle.

Application Field

TPS62207DBVR is an ideal DC-DC converter choice for low voltage applications, including various consumer and industrial equipment such as:

• Digital home appliances
• Portable medical devices
• Industrial handheld products
• Battery-powered mobile equipment
• Automated Test Equipment (ATE)
• Communication systems
• Notebook and netbook computers
• Meters, handheld electronics, and other consumer products

Working principle

The working principle of TPS62207DBVR is based on a Buck converter topology. It is a synchronous step-down DC-DC converter that provides a high-efficiency conversion at a wide input voltage range. It has an internal voltage regulator, low-RDS(ON) internal MOSFETs, and integrated loop compensation. This IC also features Pulse Frequency Modulation (PFM) operation mode which optimizes the light load efficiency and enables modulated operation up to 2.25MHz switching frequency under heavy loads.

TPS62207DBVR supports two operating modes: forced PWM and Forced PFM. In forced PWM mode, the converter operates in the PWM mode for all load current ranges. In forced PFM mode, the converter operates in PFM mode for light load up to the regulation threshold, and then switches over to the PWM mode once it reaches the regulation threshold.

TPS62207DBVR features an active pulse skipping technique which provides fast transient response. It also prevents the load transient response from degrading under light load conditions. An internal soft start function is built-in, which limits the inrush current during start-up. Other features such as Over Current Protection (OCP) and Over Temperature Protection (OTP) are also included.

Conclusion

The TPS62207DBVR DC-DC buck converter is a cost effective and high-efficiency solution for industrial, consumer and commercial applications. It is an ideal IC for small-sized and low-noise power supplies. With a wide input supply range, low quiescent current, and high efficiency over the entire load range, this IC enables great savings over the entire system.

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