TPS77725D

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The TPS77725D is the popular low output voltage linear voltage regulator among TI\'s voltage regulator family. It was designed to support multiple output configurations of common current loads and provide tight output voltage accuracy. The TPS77725D is specified for reliable operation in low input and low output voltage systems such as solid state lighting and battery-powered equipments.

The TPS77725D is a 3-Amp high-performance low voltage linear voltage regulator. Being a member of TI\'s family of low voltage linear voltage regulators, the TPS77725D offers excellent performance with improved efficiency and low cost. This type of regulator is ideal for industrial, distribution, military, and automotive applications. It features high efficiency, tight output voltage accuracy, fast response time, and low noise level.

The TPS77725D linear voltage regulator is ideally suited for powering both switching and linear low voltage loads. It provides low input and low output voltage regulation with tight output voltage accuracy. The voltage regulation is typically ±2 mV over load and line, and the regulation bandwidth is typically of 8MHz. The dropout voltage is typically 0.62V which enables it to be used in small footprint, stand-alone applications.

The TPS77725D is designed to offer reliability over conditions that include line, load transients, load dump transients and high temperatures. Its integrated components and on-chip short-circuit protection enable use in a low EMI environment. The TPS77725D is also protected against reverse polarity and under-voltage conditions.

In order to ensure reliable operation, the TPS77725D should be operated with input voltage within its specified range, which is between 0.8 V and 15 V. The output voltage is adjustable from 0.8 V to 6 V and its maximum output current is 3 A. The output voltage of the TPS77725D can be modified by using external resistive divider as a feedback network. The TPS77725D operates over the temperature range of –40°C to +85°C.

TPS77725D adopts a linear regulator topology which is composed of the error amplifer and PMOS pass transistor in order to control the output voltage. Its voltage feedback input terminal is connected to a precision feedback resistive divider in order to sense the output voltage. When the output voltage deviates from the programmed setpoint, the error amplifier will adjust the gate voltage of the pass transistor to regulate the output voltage.

The TPS77725D also provides load disconnect and over-current protection. The load disconnect function provides no-load and minimum-load operation. This can save power when the load current is only few milliamps. The over-current protection feature provides a means to cope with over-current event which can be caused by a short circuit. When the load current exceeds the over-current limit, the output will be shut down.

The TPS77725D is available in the SOT-223 surface-mount package. This small footprint enables the design of space-constrained, low-cost and low-noise applications. The TPS77725D is ideal for implementation in many electronic systems, such as cell phones, handheld computers, white goods, medical equipment, industrial control and LED backlighting.

In summary, the TPS77725D is a high-performance, cost-efficient low voltage linear voltage regulator family. It provides excellent performance with high efficiency, tight output voltage accuracy, fast response time and low noise level. Furthermore, its integrated components and on-chip protection features enable the design of reliable and low-EMI applications. The TPS77725D is the perfect solution for low output voltage industrial, distribution, military, and automotive applications.

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