Product Description

DESCRIPTION:

• The TPS51120 is a highly sophisticated dual current mode synchronous step-down controller. It is a full featured controller designed to run directly off a three or four-cell Li-ion battery and provide high-power and 5-V and/or 3.3-V standby regulation for all the down stream circuitry in a notebook computer system.
• The TPS51120 32-pin QFN package is specified from –40°C to 85°C ambient temperature.
• Technical sheet: https://pdf1.alldatasheet.fr/datasheet-pdf/view/123353/TI/TPS51120RHBR.html

FEATURES:

• 3.3-V and 5-V 100-mA Bootstrapped Standby Regulators with Independent Enables
• Selectable D-CAP Mode Enables Fast Transient Response Less than 100 ns
• Low-side RDS(on) Loss-less Current Sensing
• Rsense Accurate Current Sense Option
• Supply Input Voltage Range: 4.5 V to 28 V

APPLICATIONS:

• Notebook Computers System Bus and I/O