AP7313-28SAG-7

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The AP7313-28SAG-7 is a linear Voltage Regulator for PMIC (Power Management Integrated Circuit) applications. It is a three-terminal adjustable output regulator, which is capable of providing up to 1A of output current to a load.

The device has a wide input voltage range of 2.6V to 7.2V and an adjustable output voltage ranging from 1.2V up to 7.0V. It features built-in protection features such as Under-Voltage Lockout (UVLO), Over-Current Protection (OCP), and Over-Temperature Protection (OTP). The device also includes a power-saving shut-down mode to reduce power consumption when the system does not require the specified output voltage.

The AP7313-28SAG-7 has a PWM-type voltage output control, which is used to adjust the output voltage in relation to the external reference voltage. The reference voltage is set by a resistor divider attached to the REF and GND pins. In addition, the device also has an enable pin that is used to control when the device is powered up and operating. The device can also be put in power-saving mode by pulling the enable pin low.

The working principle of the AP7313-28SAG-7 is that it is based on the difference between the reference voltage and the feedback voltage, which are compared using an internal error amplifier. When the reference voltage is greater than the feedback voltage, the error amplifier output is high, causing the internal power MOSFET to turn on, and supplying current to the load. When the reference voltage is less than the feedback voltage, the error amplifier output is low, causing the internal power MOSFET to turn off, and stopping the flow of current to the load.

The AP7313-28SAG-7 is designed with high efficiency and low power consumption in mind. Its low quiescent current consumption and wide input voltage range make it suitable for use in battery powered systems. The device is also able to provide a stable output voltage, which is important for applications that require precise control of output voltages.

The application fields of the AP7313-28SAG-7 vary depending on the type of device that it is being used for. Its wide input voltage range and adjustable output voltage make it suitable for use in portable electronic devices such as mobile phones, PDAs, MP3 players, and remote sensors. The device is also suitable for use in industrial applications such as embedded systems, motor control systems, and other power management applications.

In summary, the AP7313-28SAG-7 is a linear Voltage Regulator for PMIC applications. It features a wide input voltage range, adjustable output voltage, protection features, and power-saving shut-down mode. The device works by comparing the reference voltage to the feedback voltage using an internal error amplifier, and its low quiescent current make it suitable for use in battery-powered systems. The AP7313-28SAG-7 is widely used in portable electronic devices, embedded systems, motor control systems, and other power management applications.

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