ADP1708ACPZ-R7 Integrated Circuits (ICs)

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The ADP1708ACPZ-R7 is a low-dropout linear regulator that has a wide range of applications for small footprint and low-power systems. The regulator provides very low output voltage ripple and high power efficiency, resulting in maximum performance and reliability for consumer electronics products. With a maximum output current of 200 mA, the ADP1708ACPZ-R7 offers low-PTP errors and high-frequency ripple rejection. Its low-output ripple, low-power dissipation, and small maximum output voltage allow the device to be used in a variety of applications such as handheld devices, networking, consumer electronics, and battery-powered devices.

The ADP1708ACPZ-R7 is a three-terminal voltage regulator with a temperature range of 0 to +85 ºC. The input voltage range is between 1.8 V and 16 V, and the output voltage is adjustable from 0.8 V to 5 V. It features a low dropout voltage of 150 mV at 200 mA and a high power supply rejection ratio (PSRR) of 65 dB at 1 kHz. It also has a very low quiescent current of 0.5 mA and excellent line and load regulation. It has a low-noise architecture that prevents interference with sensitive electronic circuits.

The ADP1708ACPZ-R7 operates in a voltage regulator feedback loop configuration. The output voltage is determined by the voltage drop across a reference voltage reference and a feedback resistor. When the output voltage deviates from its programmed value, the output of the internal error amplifier will be driven, resulting in a change in the base current of the internal pass transistor. This increases the voltage across the reference voltage source and reduces the voltage across the feedback resistor. This change in the output of the error amplifier will result in a change in the base current drive of the pass transistor, until the output voltage returns to the desired value. The voltage feedback loop also allows for remote sensing, which increases the accuracy of the output voltage.

The ADP1708ACPZ-R7 has several protection features built in, including overvoltage protection, overcurrent protection, and thermal shutdown protection. It also has an external capacitor for improved transient response. This capacitor is used to reduce the output voltage ripple, provide high-frequency filtering, and improve the load transient response. The ADP1708ACPZ-R7 also has a built-in internal thermal overload protection chip (OTP) to protect against excessive temperature and current.

The ADP1708ACPZ-R7 has wide range of applications due to its excellent operating performance and wide input voltage range. It can be used in applications with limited power availability, such as handheld devices, networking, consumer electronics, and battery powered devices. It is also useful for applications with high frequencies and load transients, such as automotive, power conditioning, and energy efficient applications. In addition, its low voltage dropout, low power consumption, and high power supply rejection ratio make it suitable for use in laptops, tablets, and mobile devices.

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