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TPS54KB20RZRR: 25A, D-CAP4 Synchronous Buck Converter with Remote Sensing 

Model No.: TPS54KB20RZRR 

Package: WQFN-16 

Type: Synchronous Buck Converter 

Overview: 

The TPS54KB20RZRR is a high-efficiency, small-size synchronous buck converter with an adaptive on-time D-CAP4 control mode. This control method provides a small minimum on-time and fast load transient response over the entire output voltage range without the need for an external compensation network. The device requires no external compensation, so it is easy to use and requires few external components. The device is ideal for space-constrained data centre applications.

TPS54KB20RZRR Product Features: 

Input voltage range of 4V to 16V 

Supports 3.1V to 5.3V external VCC auxiliary power supply 

5.8mΩ and 2.3mΩ MOSFETs 

25A continuous output current 

16-pin WQFN-HR package optimised for efficiency and thermal performance 

TJ = ±0.5% reference (VRE) at -40°C to +125°C ±0.5% reference (VREF) 

Output voltage range of VREF to 5.5V 

Differential Remote Sensing 

D-CAP4 mode for ultra-fast load step response 

Supports all ceramic output capacitors 

Optional auto-jumping Eco-mode for high light-load efficiency 

Programmable current limiting via RILIM 

Programmable switching frequencies: 800kHz, 1.1MHz, 1.4MHz Programmable soft-start time MHz 

Programmable soft-start time 

Pre-bias start function 

Open-drain power normal state output 

Valley overcurrent limit protection 

Overvoltage and undervoltage fault protection

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