S-1112B44MC-L7DTFG

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PMIC (Power Management Integrated Circuit) Voltage Regulators of the \'Linear\' variety are Devices that Control the Output of a Voltage Source by Adjusting a Resistance Load Using a Variety of Techniques. The S-1112B44MC-L7DTFG Voltage Regulator is Part of TI’s Generation of Power Management Integrated Circuit Voltage Regulators, and is a Fully-Integrated, High-Performance, Dual Buck (Step-Down) DC/DC converters, designed to Provide System Power Delivery and Battery Charging Solutions.

This Particular Regulator is a Small System-in-Package Solution that is Optimised to Meet the Requirements of Demanding Cloud Server and Storage Subsystems. It Provides Both Full LDOs (Low Drop-Out Voltage Regulators) and DC/DC Regulated Voltage Outputs in a Small, Thin SIP Package. The S-1112B44MC-L7DTFG Regulator also Utilizes TI’s Highly Accurate and Reliable Internal Digital Control Loop for Minimum Ripple and Low Output Voltage Error.

The S-1112B44MC-L7DTFG Regulator is Designed for System Power Delivery and Battery Charging. Specifically, it is Calibrated to Drive 8-Outputs in Buck (Step-Down) Mode and 2 Linear Regulated Voltage Outputs. The Regulator also Supports Synchronous Buck (Step-Down) Operation, allowing System Level Power/Energy Savings in Light Load/Low Temperature Operation. This type of Regulator is well Suited to Applications such as Cloud Server, Storage Subsystems, Industrial Automation, System Power Supplies, Test and Measurement (T&M), Communications, Industrial and Automotive, where high voltage output accuracy, low ripple and low noise are required.

The Working Principle of the S-1112B44MC-L7DTFG Regulator is Based on the Buck Converter Topology, a type of DC-DC Regulator. Buck Converters are a type of switching regulator that take an Input Voltage and Reduces it to Output Voltage as Needed. The Buck Converter uses an Inductor to Store Energy, and then Releases it as a Conducted Pulse with Reduced Voltage in the Output. The Buck Converter is One of the Most Versatile DC-DC Conversion Topologies and is Often seen used in Portable Electronic Devices.

The S-1112B44MC-L7DTFG Regulator incorporates a Digital Voltage Regulator Loop (DVRL) which is Used to Provide Accurate Output Voltage Regulation. The DVRL uses a Proprietary Control Loop Integrated into the Device Core, allowing Accurate Regulation Over a Wide Range of Input Voltages, Output Loads and Temperatures. This Loop is what Sets the Regulator Apart From Other Linear Regulators in terms of Efficiency, Accuracy and Temperature Stability.

The Regulator is Designed to Operate in an input voltage range of 3.3V to 20V, and is capable of operating at an output voltage of 0.8V to 5.5V with load current as high as 11A. It features a soft start, over-voltage and over-current protection, as well as other protection features. It offers a high efficiency of constant frequency operation for low quiescent current, low output ripple and low EMI.

In Summary, the S-1112B44MC-L7DTFG Voltage Regulator is Part of TI’s Generation of Power Management Integrated Circuit Voltage Regulators and is a Fully-Integrated, High-Performance, Dual Buck (Step-Down) DC/DC converter. This Regulator is designed for System Power Delivery, and Battery Charging, and is ideal for applications that require high voltage output accuracy, low ripple and low noise. This Regulator Utilizes a Digital Voltage Regulator Loop (DVRL) and a Buck Converter Topology to Provide Accurate Output Voltage Regulation with a Wide Input Voltage Range and a High Efficiency of Constant Frequency Operation for Low Quiescent Current, Low Output Ripple and Low EMI.

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