High Performance Industry Standard Single-Ended Current Mode PWM Controller
DATASHEET
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
High Performance Industry Standard Single-Ended Cu...
Description
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, 90A 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...
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