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TPS53219ARGTR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS53219ARGTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page TPS53219A 1 2 3 4 12 11 10 TRIP EN VFB RF SW DRVL VDRV 5 9 MODE VREG 6 VDD 7 GND 8 PGND 16 PGOOD 15 NC 14 VBST 13 DRVH UDG-11273 CSD86350 VIN VIN TG TGR SW SW SW BG PGND Pad VREG EN VDD VOUT VIN Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS53219A SLUSAU4A – DECEMBER 2011 – REVISED DECEMBER 2015 TPS53219A Wide Input Voltage, Eco-Mode™, Single Synchronous Step-Down Controller 1 Features 2 Applications 1 • Conversion Input Voltage Range: 3 V to 28 V • Storage Computers • VDD Input Voltage Range: 4.5 V to 25 V • Server Computers • Output Voltage Range: 0.6 V to 5.5 V • Multi-Function Printers • Wide Output Load Range: 0 A to > 20 A • Embedded Computing • Built-In 0.6-V (±0.8%) Reference 3 Description • Built-In LDO Linear Voltage Regulator The TPS53219A device is a small-sized single buck • Auto-Skip Eco-Mode™ for Light-Load Efficiency controller with adaptive ON-time D-CAP mode • D-CAP™ Mode with 100-ns Load-Step Response control. The device is suitable for low output voltage, high current, PC system power rail and similar point- • Adaptive ON-Time Control Architecture with 8 of-load (POL) power supplies in digital consumer Selectable Frequency Settings products. The small package and minimal pin-count • 4700ppm/°C RDS(on) Current Sensing save space on the PCB, while the dedicated EN pin • 0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable and pre-set frequency selections simplify the power Internal Voltage Servo Soft-Start supply design. The skip-mode at light load conditions, strong gate drivers and low-side FET RDS(on) current • Pre-Charged Start-Up Capability sensing supports low-loss and high efficiency, over a • Built-In Output Discharge broad load range. The conversion input voltage (high- • Open-Drain Power Good Output side FET drain voltage) range is between 4.5 V and 25 V, and the output voltage range is between 0.6 V • Integrated Boost Switch and 5.5 V. The TPS53219A is available in a 16-pin, • Built-In OVP/UVP/OCP QFN package specified from –40°C to 85°C. • Thermal Shutdown (Non-Latch) • 3-mm × 3-mm QFN, 16-Pin (RGT) Package Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS53219A QFN (16) 3.00 mm × 3.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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