UCD9220RGZT Integrated Circuits (ICs)

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The UCD9220RGZT is a versatile DC-to-DC switching controller IC from TI that is designed for portable and battery-operated products. This device integrates one high-efficiency synchronous buck DC-to-DC controller with two low-dropout (LDO) linear regulators and one ultra low-power regulator capable of delivering 50 µA of current consumption with a wide input range for power supply management.

The UCD9220RGZT has an optimized and adjustable voltage tracking system, which allows optimal adjustment of input and output voltages according to the system\'s needs. It ensures low active power consumption while still providing excellent transient response and high efficiency across the full load range. The UCD9220RGZT is capable of operating from a minimum input voltage of 0.9 V to a maximum input voltage of 5.5 V. The switching controller has an internal low-side MOSFET switch, high-side MOSFET switch, external loop compensation, and pre-bias start-up circuits that allow for high-efficiency, constant on-time, and current-mode control PWM regulation at a maximum frequency of 2.2 MHz.

The UCD9220RGZT\'s two LDO linear regulators feature an adjustable output voltage range from 0.8 V to 5.0 V with ultra-low quiescent current, while the ultra-low voltage output regulator provides an adjustable output voltage from 0.3 V to 0.9 V, making the device suitable for a wide range of portable and battery-operated applications. In addition, the device provides an input and output power-on/off control to enable/disable the switching controller and LDOs, allowing for power optimization for when current is being drawn from the battery. The UCD9220RGZT also features over-temperature protection and under-voltage protection, making it highly reliable and protected from common risks.

In summary, the UCD9220RGZT is an ideal power supply management solution for portable and battery-operated products that require a DC-to-DC switching controller and two low-dropout (LDO) linear regulators. It provides ultra-low power consumption and high efficiency at a wide input voltage range while also offering over-temperature protection and under-voltage protection. The UCD9220RGZT is categorized as a PMIC - Voltage Regulators - DC DC Switching Controllers.

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