UCC38050D ,Transition Mode PFC Controller SLUS515G–SEPTEMBER 2002–REVISED DECEMBER 20155 Pin Configuration and FunctionsD or P Package8-Pin ..
UCC38050P ,Transition Mode PFC ControllerFeaturestandard. The controllers are designed for a boostSetpreregulator operating in transition mo ..
UCC3805D ,Low-Power BiCMOS Current-Mode PWMFeatures... 19.4 Device Functional Modes ... 232 Applications..... 110 Application and Implementati ..
UCC3805D ,Low-Power BiCMOS Current-Mode PWMFeatures 3 DescriptionThe UCCx80x family of high-speed, low-power1• 100-μA Typical Starting Supply ..
UCC3805D ,Low-Power BiCMOS Current-Mode PWM7 Pin Configuration and FunctionsUCC280x and UCC380x PW PackageUCCx80x D, J, or N Package8-Pin TSSO ..
UCC3805D ,Low-Power BiCMOS Current-Mode PWMMaximum Ratings.. 613 Device and Documentation Support........ 368.2 ESD Ratings........ 613.1 Rela ..
UPA2738GR , P-channel MOSFET –30 V, –10 A, 15 m
UPA2750 ,Nch enhancement-type MOS FET (Dual type)FEATURES3 ; Source 2• Dual chip type4 ; Gate 2• Low on-state resistance 5, 6; Drain 2RDS(on)1 = ..
UPA2750GR ,SWITCHING N-CHANNEL POWER MOSFETFEATURES3 ; Source 2• Dual chip type4 ; Gate 2• Low on-state resistance 5, 6; Drain 2RDS(on)1 = ..
UPA2750GR-E1 ,Nch enhancement-type MOS FET (Dual type)DATA SHEETMOS FIELD EFFECT TRANSISTORµµµµ PA2750GRSWITCHINGN-CHANNEL POWER MOS FETDESCRIPTION PA ..
UPA2750-GR-E2 ,Nch enhancement-type MOS FET (Dual type)ELECTRICAL CHARACTERISTICS (TA = 25°C, All terminals are connected.)CHARACTERISTICS SYMBOL TEST CON ..
UPA2750GR-E2 ,Nch enhancement-type MOS FET (Dual type)FEATURES3 ; Source 2• Dual chip type4 ; Gate 2• Low on-state resistance 5, 6; Drain 2RDS(on)1 = ..
UCC38050D-UCC38050P
Transition Mode PFC Controller
VCC
DRV
GND
ZCD
VO_SNS
COMP
MULTIN
UCC38050Product
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Regulation totem-pole driverfor drivingan external FET. Two UVLO Options In the transition mode operation, the PWM circuitis OVP, Open-Feedback Protection, and Enable self-oscillating, with the turnon being governedby an
inductor zero-current detector (ZCD pin), and theCircuits
turnoff being governed by the current-sense• ±750-mA Peak Gate Drive Current comparator. Additionally, the controller provides• Low Start-Up and Operating Currents features such as peak current limit, default timer, Lead (Pb)-Free Packages overvoltage protection (OVP) and enable.
Device Information(1)2 Applications• Single-Stage PFC Flyback Converters for Lightingand Motor Drives• Switch-Mode Power Supplies for Desktops,Monitors, TVs, and Set Top Boxes (STBs)
(1) Forall available packages, see the orderable addendumat• AC Adapter Front-End Power Supplies
the endofthe data sheet.• Electronic Ballasts
Simplified Application Diagram
