TPS62700YZFR

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TPS62700YZFR belongs to a special purpose voltage regulator and is adopted for a wide range of applications. In this article, an account will be given of the application field and working principle of the device.

The Applications of TPS62700YZFR

TPS62700YZFR, when employed as a point-of-load (POL) DC-DC converter, can be used in various consumer electronic applications, such as cellular phones, digital cameras, camcorders, PDAs, and so on. Besides, it can also be adopted in industrial microcontrollers, digital signal processors, hand-held devices, and as well as advanced SOC designs.

One of the most highlighted features of TPS62700YZFR is the high-efficiency buck configuration, which allows the device to work over the whole input and output voltage range, guaranteeing low power consumption. Meanwhile, if a buck-boost configuration is desired, the device can achieve the same performance from 0.9V up to 6V.

It is worth noting that the TPS62700YZFR features both wide input voltage range capability and high-efficiency operation, with no compromise to system performance and reliability. Moreover, it does not require any external components, such as compensation components or power inductors.

The Working Principle of TPS62700YZFR

The working principle of TPS62700YZFR is that it can output a regulated voltage which is independent of the input voltage. The device consists of a voltage control loop, which is either an external voltage reference or an internal bandgap reference.

In the case of an external voltage reference, the control loop senses a small differential voltage between the feedback point and the voltage reference, and this differential voltage is amplified by the error amplifier stage. This amplified differential voltage then biases the current-sensing block of the device and adjusts the output voltage accordingly.

In the case of an internal bandgap reference, the control loop senses a small differential voltage between the feedback point and the internal bandgap reference. This differential voltage is amplified by the error amplifier stage, which is then further amplified by the level shifter. The output voltage is then adjusted accordingly.

In either case, the current-sensing block adjusts the output voltage to ensure that the output current is maintained within the predetermined range. This ensures that the output voltage is kept within the specified limits, regardless of the external conditions.

Conclusion

In conclusion, TPS62700YZFR is a member of the special purpose voltage regulators, which can be successfully employed in a wide range of applications. Moreover, its application range can be significantly extended due to its high-efficiency buck configuration and wide input voltage range capability. Moreover, its working principle includes the use of either an external voltage reference or an internal bandgap reference, both of which allow for the accurate adjustment of the output voltage.

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