PGBIAS1VLDO2V5V3GND5V4SW5V5VIN6PVIN7PVIN8PGND9PGND10SW11SW12SW13BOOT14PGND15PGND16PVIN17PVIN18PG19CSN20FB_VO21COMP22AGND23DACOUT24REFIN25ILIM26ADDR27FREQ28EN29SYNC30SCL31SDA32EP33