eatures ? High Efficiency at Light Loads with Pulse Skipping ? 80-mΩ High-Side MOSFET ? 160-μA Operating Quiescent Current and 2.25-μA Shutdown Current ? 100-kHz to 2.5-MHz Adjustable Switching Frequency ? Integrated PLL to Synchronize with External Clock ? Adjustable UVLO Voltage and Hysteresis ? Soft-Start and Sequencing ? 0.8-V 1.5% Internal Voltage Reference ? 8-Pin ESOP8 with Exposed Pad Package ? –40°C to 125°C Operation Ambient Temperature Range Applications ? 12-V, 24-V, 48-V Industrial Power Application ? Telecom & Communication Equipment Power Applications Description The TPP60308 is a 60-V, 3.5-A output, non-synchronous, step-down, and switch-mode converter with integrated high-side power MOSFET. The TPP60308 employs current-mode control supporting simple external compensation and flexible component selection. It also supports low quiescent current mode with pulse-skipping and ultra-low sleep current. With the integrated phase-locked loop, the TPP60308 can synchronize with an external clock source with wide frequency selection, optimized for efficiency, physical dimensions, and electromagnetic interference (EMI). Protection and diagnostic features protect the device as well as the system power supply. The soft-start feature controls the output ramping. Current limit, frequency foldback, and over-temperature protection improve system-level robustness. Typical Application Circuit SW VIN GND BOOT FB EN COMP RT/CLK VOUT VIN 4.5 – 60V TPP60308 EN T