datasheet1 Features
• New product available: TPS548B28 16-V, 20-A
synchronous-buck converter with remote sense
• Conversion input voltage range: 1.5 V to 15 V
• VDD input voltage range: 4.5 V to 25 V
• 92% efficiency from 12 V to 1.5 V at 20 A
• Output voltage range: 0.6 V to 5.5 V
• 5-V LDO output
• Supports single-rail input
• Integrated power MOSFETs with 20 A of
continuous output current
• Auto-skip Eco-mode™ for light-load efficiency
• < 10-μA shutdown current
• D-CAP™ mode with fast transient response
• Selectable switching frequency from 250 kHz to 1
MHz with external resistor
• Selectable auto-skip or PWM-only operation
• Built-in 1% 0.6-V reference
• 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable
internal voltage servo soft start
• Integrated boost switch
• Precharged start-up capability
• Adjustable overcurrent limit with thermal
compensation
• Overvoltage, undervoltage, UVLO, and
overtemperature protection
• Supports all ceramic output capacitors
• Open-drain power-good indication
• Incorporates NexFET™ power block technology
• 22-pin QFN package with PowerPAD™
2 Applications
• Enterprise rack Servers and storage
• Wired networking switches and routers
• ASIC, SoC, FPGA, DSP core, and I/O voltage
