ISL91110IR 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 = 3.4V, VOUT = 5V) - Output current: up to 2A (PVIN = 2.5V, VOUT = 3.3V) - Burst current: up to 3A (PVIN = 2.9V, VOUT = 3.3V, t ON < 600µs, t = 4.6ms) - High efficiency: up to 95% - 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 4mmx4mm 20 Ld TQFN package Applications - Smartphones and tablet PCs - Wireless munication devices - Optical modules networking equipment Related Literature UG022, “ISL91110IRx-EVZ Evaluation Boards User Guide” SGND PGND EFFICIENCY (%) VIN = 1.8V TO 5.5V ISL91110IRNZ PVIN C1 2x10µF LX1 LX2 VOUT MODE L1 1µH VOUT = 3.3V UP TO 3A C2 2x22µF FIGURE 1. TYPICAL APPLICATION: VOUT = 3.3V VIN =...