IW3620
IW3620 is Digital PWM Current-Mode Controller manufactured by iWatt.
i W3620
Digital PWM Current-Mode Controller for AC/DC LED Driver
1.0 Features
- - Primary-side feedback eliminates opto-isolators and simplifies design
- - Quasi-resonant operation for highest overall efficiency
- - EZ-EMI ® design to easily meet global EMI standards
- - Up to 130 k Hz switching frequency enables small adapter size
- - Very tight LED constant current regulation
- - No external pensation ponents required
- - Built-in output constant-current control with primary-side feedback for LED driver.
- - Low start-up current (10 µA typical)
- - Built-in soft start
- - Built-in short circuit protection and output overvoltage protection
- - Current sense resistor short protection
- - Overtemperature Protection
- - Open circuit protection
- - Universal input range from 85 Vac to 264 Vac
- - Single-fault protection
- - Small input bulk capacitor
- - Long MTBF
2.0 Description
The i W3620 is a high performance AC/DC offline...
