XC6123C522ER-G

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The XC6123C522ER-G is a step-up/step-down DC-DC converter with voltage supervisor from Panasonic Corporation. It is a monolithic power management integrated circuit (PMIC) designed for compact, low power portable and/or battery powered applications. The device utilizes a constant frequency pulse width modulation (PWM) control that supports both step up and step down DC-DC converter modes, eliminating the need for an external boost diode. The regulator is capable of maintaining an accurate regulated output voltage at a low current of 3mA, making it suitable for battery-powered applications. The voltage supervisor provides 4.6V to 15V for reset or system-on control.

The XC6123C522ER-G is also a versatile, high-efficiency, compact DC-DC converter with voltage supervisor, aimed at applications such as medical instruments, smart meters, home and industrial appliances, battery-operated devices, and automotive electronics. It is based on the Single-Chip Step-up/Step-down Pulse Width Modulation (PWM) Controller, which offers excellent performance in both step-up and step-down modes. The device also features a low-noise synchronous rectification scheme and low power dissipation when in sleep mode.

The XC6123C522ER-G also features a high power conversion efficiency and low no-load output power, meaning it performs well in small form factor applications where size and power efficiency are a concern. Furthermore, the device also integrates a voltage supervisor that can monitor two separate external voltage thresholds and generate a system reset signal or system-on control, allowing users to monitor power-on behaviour and system health.

The XC6123C522ER-G operates by passing an oscillator signal through a voltage divider and capacitor network, to create a PWM control. As the oscillator frequency rises and falls, so does the Duty Cycle of the PWM control. The PWM control in turn regulates the output voltage by controlling the current through the inductor. The output voltage rise and fall is further assisted by an optional Schottky diode that is connected to the inductor and the output capacitor, creating a flyback diode bridge. The DC-DC converter section of the device then maintains the output voltage at whatever the preset reference voltage is set to.

The voltage supervisor section of the XC6123C522ER-G also has two dedicated external voltage thresholds that can generate a system reset signal or system-on control. The higher of the two thresholds is used as the rising input voltage edge trigger, while the lower threshold is used as a reset level indicator. This allows the device to be used in a wide variety of applications, from personal wearables to industrial applications.

In conclusion, the XC6123C522ER-G is a versatile, high-efficiency, compact DC-DC converter with voltage supervisor from Panasonic Corporation that is designed for applications such as medical instruments, smart meters, home and industrial appliances, battery-operated devices, and automotive electronics. It is based on the Single-Chip Step-up/Step-down Pulse Width Modulation (PWM) Controller, and features a low-noise synchronous rectification scheme, low power dissipation when in sleep mode, and a high power conversion efficiency and low no-load output power. The device also integrates a voltage supervisor that can monitor two separate external voltage thresholds and generate a system reset signal or system-on control, allowing users to monitor power-on behaviour and system health. Overall, the XC6123C522ER-G is a highly advanced device that offers exceptional performance in a wide variety of applications.

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