The ISL8843 is an industry standard single-ended current mode PWM controller that can be used as a drop-in replacement for the popular 28C43 and 18C43 PWM controllers. It is 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 it an ideal product for existing and new designs.
The ISL8843 is an industry standard drop-in replacement for the popular 28C43 and 18C43 PWM controllers, designed for a wide range of power conversion applications including boost, flyback, and isolated output configurations. Its fast signal propagation and output switching characteristics make it an ideal product for existing and new designs.
Key features include 30V operation, low operating current with a 90uA start-up current, and an adjustable operating frequency up to 2MHz. The device offers high peak current drive capability with 20ns rise and fall times, making it suitable for telecom, datacom, wireless base station, and PC power supply applications.
| Supply Voltage | 0.3V to 30V |
|---|---|
| Start-up Current | 90uA |
| Operating Frequency | up to 2MHz |
| Rise and Fall Times | 20ns |
| Maximum Duty Cycle | 95% |
The ISL8843 is an industry standard drop-in replacement for the popular 28C43 and 18C43 PWM controllers.
The ISL8843 is an industry standard drop-in replacement for the 28C43 and 18C43 PWM controllers suitable for a wide range of power conversion applications including boost, flyback, and isolated output configurations.
The device supports a supply voltage range from -0.3V to +30.0V.
The typical start-up current is 90uA, with a maximum of 125uA.