Texas Instruments TPS543C20

Description

Comparing internally-compensated advanced current mode (ACM) with D-CAP3 control.The TPS543C20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMI-sensitive 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 80-A point-of-load.

Features

Internally-Compensated Advanced Current Mode Control 40-A POLInput Voltage Range: 4 V to 16 VOutput Voltage Range: 0.6 V to 5.5 VIntegrated 3/0.9-mΩ Stacked NexFET™ Power Stage With Lossless Low-Side Current SensingFixed Frequency - Synchronization to an External Clock and/or Sync OutPin Strapping Programmable Switching Frequency 300 kHz to 2 MHz for Standalone300 kHz to 1 Mhz for Stackable

Stack 2X for up to 80 A With Current Share, Voltage Share, and CLK SyncPin Strapping Programmable Reference from 0.6 V to 1.1 V With 0.5% AccuracyDifferential Remote SensingSafe Start-Up into Pre-Biased OutputHigh-Accuracy Hiccup Current LimitAsynchronous Pulse Injection (API) and Body Braking40-pin, 5-mm × 7-mm LQFN Package with 0.5-mm Pitch and Single Thermal Pad

Typical applications

• Wireless and Wired Communications / Enterprise Servers, Switches, and Routers / Enterprise Storage, SSD
• ASIC, SoC, FPGA, DSP Core, and I/O Rails

More information

• IC product information