ISL8843A

DATASHEET ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A High Performance Industry Standard Single-Ended Current Mode PWM Controller FN6320 Rev 3.00 April 18, 2007 The ISL884xA is a high performance drop-in replacement for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configurations. Its fast signal propagation and output switching characteristics make this an ideal product for existing and new designs. 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 COMP 1 FB 2 CS 3 RTCT 4 8 VREF 7 VD...