TPS73625DBVR

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TPS73625DBVR is a linear voltage regulator from Texas Instruments with a wide range of input voltage, adjustable output voltage and up to 35 mA loading capability. The device can be used as a DC power supply (DPS) or as a replacement for a positive-to-negative linear regulator, enabling a drop of up to 3.3 V when used with 5 V input voltage.

The supply base for the TPS73625DBVR can operate from up to 5.5 V and has an ultra-low quiescent current of 20 μA. Other features include fast transient response and a low output noise, making it ideal for portable electronic devices and other applications requiring clean and reliable power.

To maximise the efficiency of the TPS73625DBVR, the device incorporates power-saving functions such as synchronous rectification, internal clock gating and adaptive voltage scaling. This functionality gives the device higher efficiency than traditional linear regulators, allowing the device to consume less power than traditional linear regulators.

The TPS73625DBVR is suitable for use in a wide range of applications, including notebook computers, mobile phones, cameras and other portable devices requiring a low voltage supply. It is also suitable for providing a high-accuracy reference voltage at the output, typically with tracking errors of 0.2%.

The working principle of the TPS73625DBVR is a form of precision high-side linear voltage regulator, based on the transistor-transistor logic (TTL) family of integrated circuits. The device includes a voltage reference circuit, an operational amplifier and an internal switching transistor. When the input voltage is applied, the voltage reference circuit sets the output voltage to a predetermined level. The operational amplifier compares the output voltage to the reference voltage and, if the output voltage is lower, it switches on the internal power MOSFET transistor, which provides the required load current.

The TPS73625DBVR incorporates a number of features to protect it against excessive input voltages, over-voltage, over-current and other faults. These features include an over-voltage protection circuit, an over-current protection circuit and an over-temperature protection circuit. The over-voltage protection circuit limits the over-voltage condition to less than 6.5 V and shuts down the device when an over-voltage condition occurs. The over-current protection circuit monitors the output current and reduces the load current when an over-current condition occurs. Finally, the over-temperature protection circuit shuts down the device when the internal temperature exceeds a predetermined value.

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