• 3.5 to 28-V input voltage range
• Adjustable output voltage down to 0.8 V
• Integrated 80-mΩ high-side MOSFET supports up
to 5-A continuous output current
• High efficiency at light loads with a pulse skipping
Eco-mode
• Fixed 570-kHz switching frequency
• Typical 1-μA shutdown quiescent current
• Adjustable slow start limits inrush currents
• Programmable UVLO threshold
• Overvoltage transient protection
• Cycle-by-cycle current-limit, frequency fold back,
and thermal shutdown protection
• Available in easy-to-use thermally enhanced
8-pin SO PowerPAD™ integrated circuit package
• Use TPS56637 for higher efficiency in a smaller
package
• Create a custom design using the TPS54531 with
the WEBENCH® Power Designer