ISL8843A Datasheet | Renesas

Features include 30V operation, low operating current, 90A start-up current, adjustable operating frequency to 2MHz, and high peak current drive capability with 20ns rise and fall times. PART NUMBER ISL8840A ISL8841A ISL8842A ISL8843A ISL8844A ISL8845A RISING UVLO 7.0 7.0 14.4V 8.4V 14.4V 8.4V MAX. DUTY CYCLE 100% 50% 100% 100% 50% 50% Pinout ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A (8 LD SOIC, MSOP) TOP VIEW P 1 FB 2 CS 3 RTCT 4 8 VREF 7 VDD 6 OUT 5 GND Features - 1A MOSFET gate driver - 90A start-up current, 125A maximum - 35ns propagation delay current sense to output - Fast transient response with peak current mode control - 30V operation - 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 - 1.5MHz bandwidth error amplifier - Tight tolerance voltage reference over line, load and temperature - ±3% current limit threshold - Pb-free plus anneal available and ELV, WEEE, 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 FN6320 Rev 4.00 May 23, 2024 Page 1 of 18 © 2006-2024 Renesas Electronics ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A Contents Ordering Information - - - - - - -...