TPS76701QDR

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TPS76701QDR Application Field and Working Principle

Since its introduction in the 1990s, the TPS76701QDR is a type of positive low-dropout (LDO) voltage regulator. It is a low-noise, low-input voltage linear regulator module produced by Texas Instruments Inc. (TI). This monolithic integrated device has been widely used in a variety of applications including automotive and industrial.

The TPS76701QDR is a dual-output low-noise, low-voltage linear regulator module. It comes with an ultra-low quiescent current, offering up to 250 mA load current. It also has a programmable output voltage of 1.2V to 5V. This regulator module provides additional features to facilitate system design, such as an enable pin, over-current/short-circuit protection, thermal shutdown, and power-on reset (POR). All these features make the TPS76701QDR an ideal LDO for portable devices and other modern technologies such as drones, wearables, and other wireless technology.

The TPS76701QDR is a low-voltage, 2-terminal output positive linear regulator module, specifically designed for applications that require low quiescent current, low voltage, and low noise. It is designed to work by drawing a constant current from the input terminal and then re-converting this to an equivalent output current or voltage. The output current is controlled by a feedback loop, which senses the output voltage and adjusts the input current accordingly.

In the TPS76701QDR, the regulator module is set to operate in a range of 4.5V to 15V, and the output voltage range can be regulated from 1.2V to 5V. The input pin of the regulator module is connected to the input voltage, while the output terminal is connected to the load. When the load varies, the regulator module will sense the change in the load current and then its output voltage will be adjusted accordingly. Through this feedback loop, the device maintains a steady output voltage.

The enable pin of the TPS76701QDR allows the user to control over-power with flexibility. When the enable pin is high, the regulator module will enable the output of the device. Otherwise, when it is low, the output will be disabled, so the output won’t draw any power from the system. The over-current protection feature of the TPS76701QDR also serves to ensure that the output voltage is kept stable even when the load current exceeds the set limit.

In addition, the thermal shutdown feature of the TPS76701QDR helps to protect the system by shutting off the device when it gets too hot. This feature monitors the device temperature and automatically shuts off the regulator module whenever the temperature reaches a preset maximum limit. Moreover, the power-on reset feature of the TPS76701QDR allows the input voltage to be reset and stabilized before the outputs of the device are energized. This eliminates the chances of an output voltage drop due to an unstable input voltage.

By taking advantage of these features, the TPS76701QDR allows high precision regulation of output voltage across a wide temperature range. This makes it ideal for applications such as automotive and industrial systems, where a high-precision voltage regulation and low noise is necessary for stable operation.

In summary, the TPS76701QDR is a low-noise, low-input voltage linear regulator module specifically designed for applications that require low quiescent current, low voltage, and low noise. It is widely used for automotive and industrial applications for its low-power consumption, compact size, and stable output voltage. Moreover, the module contains various features such as enable pin, over-current/short-circuit protection, thermal shutdown and power-on reset that make it the most reliable choice for modern technologies such as drones, wearables and other wireless technology.

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