Output Regulator 24-Pin QFN EP

Triple Output Regulator with Single Synchronous Buck and Dual LDO Fully integrated synchronous buck regulator + dual LDO • PWM output voltage adjustable. - 0.8V to 2.5V with ISL6455 (VIN = 3.3V) - 0.8V to 3.3V with ISL6455A (VIN = 5.0V) • High output current. . 600mA • Dual LDO adjustable options - LDO1, 1.2V to Vin - 0.3V (3.3Vmax). . 300mA - LDO2, 1.2V to Vin - 0.3V (3.3Vmax). . 300mA • Ultra-compact DC/DC converter design • Stable with small ceramic output capacitors and no load • High conversion efficiency • Low shutdown supply current • Low dropout voltage for LDOs - LDO1 . 150mV (typical) at 300mA - LDO2 .150mV (typical) at 300mA • Low output voltage noise - <30µVRMS (typical) for LDO2 (VCO supply) • PG_LDO and PG_PWM (PWM and LDO) outputs • Extensive circuit protection and monitoring features - PWM overvoltage protection - Overcurrent protection - Shutdown - Thermal shutdown • Integrated RESET output for microprocessor reset • Proven reference design for total WLAN system solution • QFN package - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline - Near Chip-Scale package footprint Improves PCB efficiency and is thinner in Profile • Pb-free (RoHS compliant)