ISL91110 Datasheet | Renesas

Features - Accepts input voltages above or below regulated output voltage - Automatic and seamless transitions between buck and boost modes - Input voltage range: 1.8V to 5.5V - Output current: up to 2A (PVIN = 2.5V, VOUT = 3.3V) - Burst current: up to 3A (PVIN = 3V, VOUT = 3.3V, t ON < 600µs, t = 4.6ms) - High efficiency: up to 96% - 35µA quiescent current maximizes light-load efficiency - 2.5MHz switching frequency minimizes external ponent size - Fully protected for short-circuit, over-temperature, and undervoltage - Small 2.33mmx2.07mm WLCSP Applications - Brownout free system voltage for smartphones and tablet PCs - Wireless munication devices - 2G/3G/4G RF power amplifiers Related Literature - AN1912 “ISL91110IIN-EVZ, ISL91110II2A-EVZ, ISL91110IIA-EVZ Evaluation Boards” SGND PGND EFFICIENCY (%) ISL911 10IINZ VIN = 1.8V TO 5.5V PVIN LX1 C1 2x10µF VIN EN MODE LX2 VOUT L1 1µH VOUT = 3.3V IOUT = UP TO 3A C2 2x22µF NOTE: Confirm w ith Intersil Applica tions E ngine er for any de via tion from a bove circ uit FIGURE 1. TYPICAL APPLICATION: VOUT = 3.3V 100 VIN = 4.0V 90 VIN = 3.6V VIN = 3.3V 85 VIN = 3.0V VIN =...