Power Factor Correction (PFC)


PT5634A

The PT5634A is a Power Factor Correction control IC for electronic ballast and switching mode power supply application. With a wide bandwidth error amplifier and a wide linear operating range multiplier, the PT5634A is available to operate in Critical Conduction Mode and implement a high PF and excellent THD in wide input voltage application. Furthermore, PT5634A provides a low start-up current and operating current, a precise over-voltage protection and the disable function.


FEATURES


● Critical Conduction Mode (CRM) control

● Very low start-up current (30μA)

● Precise reference voltage (±1%)

● Precise adjustable output over-voltage protection

● Restart timer

● Leading edge blocking time

● Disable function

● Package Type-SOP 8



APPLICATIONS


● Electronic ballast

● AC-DC adaptor and switching mode power supply

資源下載

Documentation

TitleFileVersionDate
PT5634A.pdfV1.02024/7/1

Tools

TitleFileDate
PT5634A.pdf 

Application Note