ISL78233 Datasheet | Renesas

features include internal fixed or adjustable soft-start and internal/external pensation. The ISL78233 and ISL78234 are available in a 3mmx3mm 16 Ld Thin Quad Flat (TQFN) Pb-free package and in a 5mmx5mm 16 Ld Wettable Flank Quad Flat No-Lead (WFQFN) package with an exposed pad for improved thermal performance. The ISL78233 and ISL78234 are rated to operate across the temperature range of -40°C to +125°C. Features - 2.7V to 5.5V input voltage range - Very low ON-resistance FETs - P-channel 35mΩ and N-channel 11mΩ typical values - High efficiency synchronous buck regulator with up to 95% efficiency - -1.2%/1% reference accuracy over temperature/load/line - plete BOM with as few as 3 external parts - Internal soft-start - 1ms or adjustable - Soft-stop output discharge during disable - Adjustable frequency from 500k Hz to 4MHz - default at 2MHz - External synchronization up to 4MHz - Over-temperature, overcurrent, overvoltage, and negative overcurrent protection - Shared mon device pinout allows simplified output power upgrades over time - Tiny 3mmx3mm TQFN package - AEC-Q100 qualified Applications - DC/DC POL modules - μC/µP, FPGA, and DSP power - Video processor/SOC power - Li-ion battery powered devices - Automotive infotainment power EFFICIENCY (%) 100 3.3VOUT 80 70...