PRODUCT BRIEFSZPL8216AFunctional Block Diagram 3.3V or 5.0V AVCC VIN LDO EN AVCC Det. RCF AVCC UVLO UVLO EN EN Ramp BOOT 0.6 or 0.9V Generator Reference Voltage VIN Power On Time Devices PH Generator PH and Drivers REFIN S Discharge FBP PGND ILIM, Zero FBN Current det. ILIM PGD OV Vout Fault Monitor UV OT Management AGND Figure 4: Functional Block Diagram Silanna Semiconductor Proprietary and Confidential Page 3 For more information: www.SilannaSemi.com Document 10841 Ver. 3.0