Part number:
ML4819
Manufacturer:
Fairchild
File Size:
269.25 KB
Description:
Power factor and pwm controller combo.
ML4819_FairchildSemiconductor.pdf
Datasheet Details
Part number:
ML4819
Manufacturer:
Fairchild
File Size:
269.25 KB
Description:
Power factor and pwm controller combo.
ML4819, Power Factor and PWM Controller Combo
The ML4819 is a complete boost mode Power factor Controller (PFC) which also contains a PWM controller.
The PFC circuit is similar to the ML4812 while the PWM controller can be used for current or voltage mode control for a second stage converter.
Since the PWM and PFC circuits share the same oscill
ML4819 Features
* s s s s s s s Large oscillator amplitude for better noise immunity Precision duty cycle limit for PWM section Current input gain modulator improves noise immunity Programmable Ramp Compensation circuit Over-Voltage comparator helps prevent output “runaway” BLOCK DIAGRAM 10 20 CT RAMP COMP SLOPE
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