TPS78001DDCTG4

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TPS78001DDCTG4 is an ultra low-power voltage regulator specially designed for high-performance, low-power application fields. It integrates a low-noise charge pump, low quiescent current active low-dropout regulator (LDO), and a low on-resistance power switch.

The key features of TPS78001DDCTG4 include low operating current, low quiescent current, low noise, wide input voltage range, fixed 3.3 V output, and low dropout voltage. The device also offers three enable inputs to control the device of three different application fields. TPS78001DDCTG4 operates in the ultra-low-power mode, consuming only 1µA typical supply current, making it an ideal choice for applications in the power-sensitive mobile application.

In terms of application fields, TPS78001DDCTG4 fits best other portable electronic devices such as tablet PCs, digital cameras, PDAs, etc. that require high-power performance with low-power consumption. It can also be used in automotive and industrial electronics applications, due to its features of robustness and reliability.

The TPS78001DDCTG4 integrates the full range of features to meet the most stringent demands of the application fields, for instance, it integrates a low-noise charge pump, a low quiescent current active low-dropout regulator (LDO), and a low on-resistance power switch. In addition, it also integrates advanced phase-lock loop (PLL) technology to ensure high-performance stability, fast settling time and low-output ripple.

The working principle of TPS78001DDCTG4 is that the device has a low on-resistance power switch, typically with a 1Ω switch. It has three enable pins to control the device with three different functions. The first one is the sleep control pin (SLP CLK), which prevents the device from entering the sleep mode when it is active. The second one is the operation of the LDO and the third one is the power switch.

When the power switch is activated, the current supplied by the input voltage is provided to the LDO circuit that regulates the output voltage delivered to the load. The regulator\'s active low drop-out (LDO) topology allows for maximum current load at low voltages and minimum power loss. The stabilized output voltage is regulated by the internal PLL, which ensures fast and stable noise-free output.

Finally, when the SLP CLK pin is activated, the power switch is disabled and the device enters sleep mode. In this state, the operating current of the device is reduced to a very low quiescent current. In the sleep mode, the device will be automatically turned on when the SLP CLK is deactivated.

Overall, the TPS78001DDCTG4 is an ultra-low-power linear regulator specifically designed for a wide range of low-power mobile applications. Its low operating current and low quiescent current make it an ideal choice for applications that require high performance with low power consumption. The features of robustness and reliability guarantee an excellent performance in automotive and industrial applications. Moreover, the integrated PLL guarantees speed and stability, making it an ideal device for the application.

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