ER2120QI

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The ER2120QI is a configurable dual output switching regulator integrated circuit for non-isolated point of load (POL) applications. The device is ideally suited for applications that require higher regulated output current and wide input/output voltage ratios in a very small, highly efficient and low cost package.

The ER2120QI combines a synchronous buck regulator (VOUT1) and an integrated linear regulator (VOUT2) in a single package, enabling the user to configure both the output voltages and the turn-on/off sequencing of the regulators. The device can be configured as a single, dual or split output with an integrated inductor in a tiny 9-pin UDFN package.

The ER2120QI is part of a family of PMICs - Voltage Regulators - DC DC Switching Regulators, which are designed for applications like servers, storage and embedded products that require higher current and wider input/output voltage ratios. The device offers a wide input voltage range from 4.5V to 48V with adjustable output voltages from 0.8V to 10V for the buck regulator. The linear regulator offers up to 150mA continuous output current and adjustable output voltage range from 0.8V to 6V.

The ER2120QI uses a synchronous buck converter to regulate output voltage levels and provide extremely low output ripple. The on-chip buck regulator is integrated with an MOSFET driver and offers three switching frequencies to maximize efficiency and minimize external components.

The output voltage is programmed through a voltage divider, and is monitored with an internal voltage feedback loop. The converter also provides over-current protection and over-temperature protection. With its integrated linear regulator, the ER2120QI offers flexibility and high efficiency in a small package. The linear regulator provides adjustable output voltages with excellent line and load regulation.

The ER2120QI can be used in a variety of applications, such as servers, storage and embedded systems, to provide both efficient power regulation and protection. The device can be used as a power supply for a single processor, as a multi-output power supply for multiple processors, or as an integrated point of load solution for other loads.

The ER2120QI is a cost-effective, low-power solution for applications that require both efficiency and protection. The device is ideal for space limited applications, such as servers and embedded systems, that require high efficiency and excellent thermal performance.

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