AP65211AWU-7 Integrated Circuits (ICs)

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AP65211AWU-7 belongs to a family of DC to DC switching regulators known as PMIC – Voltage Regulators. In this family, the AP65211AWU-7 is a high-efficiency, low-power switching regulator integrating a step-down DC-DC converter and a 2-channel ideal diode. It operates at wide input voltage range from 2.5V to 6V and offers a maximum output current of 1A.

Below are the features of the AP65211AWU-7 :

• High Efficiency: 94%
• Low quiescent current enables low-power modes
• HV Boot input for high voltage applications
• Thermal shutdown protection and under voltage lockout
• Output current limiting for overload protection
• Programmable Soft-Start and Output Discharge

This regulator is a synchronous type switching regulator, and it uses a buck topology with a high step-down ratio of up to 200:1. It means that this device can take a voltage input that is much higher than the output voltage. The regulator will “step-down” or convert the high input voltage to the required lower output voltage. It works by rapidly switching between low-impedance (.1 ohm) on and off states to avoid dissipating excess heat.

The AP65211AWU-7 is widely used in battery-powered applications, such as portable electronics, medical equipment, computers and peripheral devices, automotive, industrial and instrumentation. This device is mainly used for low-voltage applications that require an efficient solution for low-power operation with HV boot and a wide input voltage range.

The AP65211AWU-7 also uses the principle of “ideal diode”, which is an internal circuit configuration that works in a similar manner to a physical diode. An ideal diode allows current to only flow from input to output, thus preventing the current from flowing in the reverse direction. It effectively simplifies the design, saves Board Space and minimizes cost.

Lastly, the AP65211AWU-7 contains on-board protection circuitry to guard against current overload, overheating, and short-circuit faults that can damage the board/system. It has thermal shutdown protection as well as Under Voltage Lockout (UVLO) to quickly respond to excessive voltage. In addition, it also has Over Voltage Protection (OVP) to prevent any over-voltage damage.

In conclusion, AP65211AWU-7 is an ideal regulator for low-voltage, battery-powered applications that require efficiency and a wide voltage range. It is easy to use, cost-effective and provides overload, overvoltage and thermal protection. Thanks to its step-down converter, the AP65211AWU-7 makes sure that the output voltage is always equal to the input voltage and can be tailored to suit specific needs through the integrated ideal diode configuration.

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