ISL6844 Datasheet | Renesas

Features include low operating current, 60µA start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times. Part Number ISL6840 ISL6841 ISL6842 ISL6843 ISL6844 Rising UVLO (V) 7.0 7.0 14.4 8.4 14.4 MAX. Duty Cycle (%) 100 50 100 100 50 Related Literature For a full list of related documents, visit our website: ISL6840, ISL6841, ISL6842, ISL6843, ISL6844 device pages Features - 1A MOSFET gate driver - 60µA start-up current, 100µA maximum - 25ns propagation delay current sense to output - Fast transient response with peak current mode control - Adjustable switching frequency to 2MHz - 20ns rise and fall times with 1n F output load - Trimmed timing capacitor discharge current for accurate deadtime/maximum duty cycle control - High bandwidth error amplifier - Tight tolerance voltage reference over line, load, and temperature - Tight tolerance current limit threshold - Pb-free available (Ro HS pliant) Applications - Tele and data power - Wireless base station power - File server power - Industrial power systems - PC power supplies - Isolated buck and flyback regulators - Boost regulators FN9124 Rev.14.00 Jul.22.19 Page 1 of 17 FN9124 Rev.14.00 Jul.22.19 Page 2 of 17 1. Overview 1.1 Typical Applications VIN+ 36V to 75V C1 VIN- R1 R6...