Key facts
- Brand
- Intersil
- Model
- ISL8843
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-08
Start here
Intersil ISL8843 PWM Controller Datasheet
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.
Intersil ISL8843 specifications
| Supply Voltage | 0.3V to 30V |
|---|---|
| Start-up Current | 90uA |
| Operating Frequency | up to 2MHz |
| Rise and Fall Times | 20ns |
| Maximum Duty Cycle | 95% |
All Intersil ISL8843 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the ISL8843 a replacement for?
The ISL8843 is an industry standard drop-in replacement for the popular 28C43 and 18C43 PWM controllers.
What is the ISL8843 and what applications is it suitable for?
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.
What is the maximum switching frequency of the ISL8843?
The device can be programmed for a switching frequency up to 2 MHz.