ISL62875 Datasheet | Renesas

features of both fixed-frequency and hysteretic PWM control. The PWM frequency is 500k Hz during static operation, being variable during changes in load, setpoint voltage, and input voltage when changing between battery and AC-adapter power. The modulators ability to change the PWM switching frequency during these events in conjunction with external loop pensation produces superior transient response. For maximum efficiency, the converter automatically enters diodeemulation mode (DEM) during light-load conditions such as system standby. Typical Application Features - Input Voltage Range: 3.3V to 25V - Output Voltage Range: 0.5V to 3.3V - Output Load up to 30A - Extremely Flexible Output Voltage Programmability - 2-Bit VID Selects Four Independent Setpoint Voltages - Simple Resistor Programming of Setpoint Voltages - Accepts External Setpoint Reference such as DAC - ±0.75% System Accuracy: -10°C to +100°C - Fixed 500k Hz PWM Frequency in Continuous Conduction - Integrated High-current MOSFET Drivers and Schottky Boot-Strap Diode for Optimal Efficiency Applications- (see page 21) - Mobile PC GPU Core Power - Mobile PC I/O Controller Hub (ICH) VCC Rail - Tablet PCs/Slates and Netbooks - Hand-Held Portable Instruments Related Literature- (see page 21) - TB389 “PCB Land Pattern Design and Surface Mount Guidelines for QFN Packages” +5V GPIO CPVCC 2 PGND 3 GND 4 EN 5 VID1 6 VID0 7 SREF 8 SET0 9 SET1 LGATE PVCC 20 VCC 19 BOOT 18 UGATE 17 PHASE 16 OCSET 14 VO 13 FB 12 SET2 PGOOD 10 11 VCC RSET1 RSET2 RSET3 CSOFT GPIO ROFS CVCC...