ISL91117 Datasheet | Renesas

Features - Input voltage range: 1.8V to 4.8V - Fixed 5V or adjustable output - Output current: up to 1.5A (PVIN = 3.3V, VOUT = 5V) - High efficiency: up to 96% - 35µA quiescent current maximizes light-load efficiency - True input-output disconnect when disabled - 2.6MHz switching frequency minimizes external ponent size - Selectable forced-PWM mode and external synchronization - Fully protected for short-circuit, over-temperature and undervoltage - Small 2.34mm x 1.72mm WLCSP Applications - Smart phones and tablets - Wireless munication devices - Products including portable HDMI and USB-OTG L1 1µH VIN = 1.8V TO 4.8V C1 22µF BLKG PVIN VOUT VIN ISL91117 MODE VOUT = 5V C2 2x22µF PGND FIGURE 1. TYPICAL FIXED OUTPUT APPLICATION EFFICIENCY (%) 100 95 90 85 80 75 70 65 60 55 50 0.1 VIN = 4.2V VIN = 3.6V VIN = 3.0V VIN = 2.7V LOAD CURRENT (m...