Input voltage:4.5V to 23V Output voltage:VFB to Vcc Duty ratio:0% to 100% PWM control Oscillation frequency:250KHz typ. Enable/Soft-Start and Current Limit (CL). Thermal Shutdown function. Short Circuit Protect (SCP). Built-in internal SW P-channel and N-channel MOS. SOP-8L with Exposed Pad Pb-Free package.