NCP5252 Buck Regulator - Integrated, Synchronous, Light Load Efficiency 2.0 A, 1.0 MHz NCP5252 V5 LDO VCC Thermal Shutdown UVLO Control OC monitor ENABLE Level FPWM EN / SKIP Control SKIP BST PGOOD PGOOD NCP5252 PGH VREF+10% + LX PGL + VO Soft stop Control Logic, Protection, VREF15% RAMP UVP OC monitor VREF20% + Generator, and PWM Logic FB VCC OVP + VREF + VREF+15% COMP Error Amplifier OSC / DIV FREQ SET PGND AGND Figure 1. NCP5252 Typical Block Diagram