ADP1871ACPZ-0.3-R7

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The ADP1871ACPZ-0.3-R7 is a DC-DC Switching Controller that is part of the voltage regulator family. It is a highly integrated, 16-pin, three-phase synchronous buck controller with an input voltage range of 1.8 to 12V. This device features low startup overshoot, low noise, fast transient response, and easy loop compensation. It is a single chip solution for switching voltage regulators that provides reliable, cost-effective results.

This device combines the benefits of a switching regulator and the efficiency of a voltage regulator and is capable of providing up to 1.5A of output current. The device has a minimum operating temperature of -40°C and a maximum operating temperature of 85°C. It also features an internal compensation system that dramatically improves system performance.

The ADP1871ACPZ-0.3-R7 has a variety of application fields ranging from microprocessor and memory core supplies, charge pumps, display backlight current sources, and other various mobile applications. By being capable of supporting both synchronous buck and linear topologies it greatly increases the versatility of its operations.

The ADP1871ACPZ-0.3-R7 works through the principle of Pulse Width Modulation (PWM), a method used to modulate the width of pulses (ON/OFF periods) based on a fixed duty cycle. This particular device uses a dedicated voltage feedback system, allowing for more accuracy and control. The device is also capable of automatically switching frequency to maintain a constant output voltage with a minimum of overshooting.

The ADP1871ACPZ-0.3-R7’s Dedicated Voltage Feedback System is designed to both compare and sense the output voltage of the switching regulator and adjust the voltage by generating PWM signals to the external FETs or the power stage. In addition, the ADP1871ACPZ-0.3-R7 provides multiple protection features including low-input voltage protection (UVLO), open loop protection, overload protection, soft start, and overvoltage protection (OVP).

In conclusion, the ADP1871ACPZ-0.3-R7 is part of the ADP1871 family of DC-DC Switching Controllers. It is a highly integrated 16-pin chip offering a wide range of features for voltage regulation, improved system performance, and multiple protection features. It is a suitable device for use in microprocessor, memory core supplies, charge pumps, display backlight current sources, and many other mobile applications.

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