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TPS543C20 Dataheets PDF



Part Number TPS543C20
Manufacturers Texas Instruments
Logo Texas Instruments
Description Synchronous Step-Down Converter
Datasheet TPS543C20 DatasheetTPS543C20 Datasheet (PDF)

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS543C20 SLUSCD4B – MARCH 2017 – REVISED MAY 2018 TPS543C20 4-VIN to 14-VIN, 40-A Stackable, Synchronous Step-Down SWIFT™ Converter With Adaptive Internal Compensation 1 Features •1 Internally-Compensated Advanced Current Mode Control 40-A POL • Input Voltage Range: 4 V to 14 V • Output Voltage Range: 0.6 V to 5.5 V • Integrated 3/0.9-mΩ Stacked NexFET™ Power Stage With Lossless Low-Side Current Sensing • Fi.

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Product Folder Order Now Technical Documents Tools & Software Support & Community TPS543C20 SLUSCD4B – MARCH 2017 – REVISED MAY 2018 TPS543C20 4-VIN to 14-VIN, 40-A Stackable, Synchronous Step-Down SWIFT™ Converter With Adaptive Internal Compensation 1 Features •1 Internally-Compensated Advanced Current Mode Control 40-A POL • Input Voltage Range: 4 V to 14 V • Output Voltage Range: 0.6 V to 5.5 V • Integrated 3/0.9-mΩ Stacked NexFET™ Power Stage With Lossless Low-Side Current Sensing • Fixed Frequency - Synchronization to an External Clock and/or Sync Out • Pin Strapping Programmable Switching Frequency – 300 kHz to 2 MHz for Standalone – 300 kHz to 1 MHz for Stackable • Stack 2× for up to 80 A With Current Share, Voltage Share, and CLK Sync • Pin Strapping Programmable Reference from 0.6 V to 1.1 V With 0.5% Accuracy • Differential Remote Sensing • Safe Start-Up into Prebiased Output • High-Accuracy Hiccup Current Limit • Asynchronous Pulse Injection (API) and Body Braking • 40-pin, 5-mm × 7-mm LQFN Package with 0.5mm Pitch and Single Thermal Pad • Create a Custom Design Using the TPS543C20 With the WEBENCH® Power Designer 2 Applications • Wireless and Wired Communications Infrastructure Equipment • Enterprise Servers, Switches, and Routers • Enterprise Storage, SSD • ASIC, SoC, FPGA, DSP Core, and I/O Rails 3 Description The TPS543C20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMIsensitive POL. The internal integrator and directly amplifying ramp tracking loop eliminate the need for external compensation over a wide range of frequencies thereby making the system design flexible, dense, and simple. Optional API and body braking help improve transient performance by significantly reducing undershoot and overshoot, respectively. Integrated NexFET™ MOSFETs with low-loss switching facilitate high efficiency and deliver up to 40 A in a 5-mm × 7-mm PowerStack™ package with a layout friendly thermal pad. Two TPS543C20 devices can be stacked together to provide up to 80A point-of-load. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS543C20 LQFN-CLIP (40) 5.00 mm × 7.00 mm 1. For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic EN VDD PVIN ILIM RAMP RT VSEL SS MODE AGND ISHARE VSHARE PGD SYNC TPS543C20 RSP RSN BOOT SW BP PGND GND VIN VOUT + LOAD t Copyright © 2017, Texas Instruments Incorporated 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. TPS543C20 SLUSCD4B – MARCH 2017 – REVISED MAY 2018 www.ti.com Table of Contents 1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ...........................


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