onsemi Ultra Wide Input Current Mode PWM Controller PWM Controller for NCP12700 for Telecommunications Power Converters

The On Semiconductor Ultra Wide Input Current Mode PWM Controller is a fixed frequency, peak current mode, PWM controller containing all of the features necessary for implementing single ended power converter topologies, the device features a high voltage start-up capable of operating over a wide input range and supplying at least 15 mA to provide temporary bias to VCC during system start-up, the device contains a programmable oscillator capable of operating from 100 kHz to 1 MHz and integrates slope compensation to prevent subharmonic oscillations, the controller offers an adjustable soft−start, input voltage UVLO protection.

User adjustable over power protection
Overload protection with 30 ms overload timer
NTC−Compatible fault interface for thermal protection
Output OVP Fault Interface
Fault auto−recovery mode with 1s auto−recovery period