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UCC2818ADG4TIN/a2000avaiBiCMOS Power Factor Preregulator 16-SOIC -40 to 85
UCC2818ADRTIN/a10000avaiBiCMOS Power Factor Preregulator
UCC2818ANTI/UNITRODEN/a18avaiBiCMOS Power Factor Preregulator
UCC2818ANTIN/a61320avaiBiCMOS Power Factor Preregulator
UCC2818ANN/a15avaiBiCMOS Power Factor Preregulator
UCC2818ANG4TEXASN/a264avaiBiCMOS Power Factor Preregulator 16-PDIP -40 to 85
UCC2818APWRTIN/a1998avaiBiCMOS Power Factor Preregulator
UCC2818APWRG4TIN/a27avaiBiCMOS Power Factor Preregulator 16-TSSOP -40 to 85


UCC2818AN ,BiCMOS Power Factor Preregulator SLUS577D–NOVEMBER 2011–REVISED AUGUST 20165 Description (Continued)The UCC3817A/18A family of PFC ..
UCC2818AN ,BiCMOS Power Factor PreregulatorElectrical Characteristics....... 613.5 Trademarks..... 268.6 Typical Characteristics. 813.6 Electr ..
UCC2818AN ,BiCMOS Power Factor PreregulatorBlock Diagram..... 9Information..... 279.3 Feature Description...... 94 RevisionNOTE: Page numbers ..
UCC2818ANG4 ,BiCMOS Power Factor Preregulator 16-PDIP -40 to 85Features 3 DescriptionThe UCC3817A and the UCC3818A family provides1• Controls Boost Preregulator t ..
UCC2818APWR ,BiCMOS Power Factor PreregulatorMaximum Ratings.. 513.1 Documentation Support.... 268.2 ESD Ratings........ 513.2 Related Links.. 2 ..
UCC2818APWRG4 ,BiCMOS Power Factor Preregulator 16-TSSOP -40 to 85Block DiagramVCC15OVP/EN 1016 V (FOR UCC3817A ONLY)7.5 V9 VREFREFERENCESS 13UVLO1.9 V ENABLEí16 V/1 ..
UPA1576H ,NNotice: You cannot copy or search for text in this PDF file, because this PDF file is converted fr ..
UPA1600 ,Monolithic power MOS FET arrayELECTRICAL CHARACTERISTICS (Ta IT, 25 °C) CHARACTERISTIC Output Leakage Current Output On- ..
UPA1600CX ,Monolithic power MOS FET arrayFEATURES 0 Direct driving is possible by standard Logic IC or Microcomputer. (4 V driving is po ..
UPA1600GS ,Monolithic power MOS FET arrayapplications. ABSOLUTE MAXIMUM RATINGS (Ta = 25 °C) Output Voltage V0 30 V Input Voltage VI ..
UPA1601 ,Power MOS FET arrayELECTRICAL CHARACTERISTICS (Ta = 25 °C) CHARACTERlSTIC Output Leakage Current SYMBOL [O ..
UPA1601CX ,Power MOS FET arrayFEATURES 0 Direct driving is possible by standard Logic IC or Microcomputer. (4 V driving is po ..


UCC2818ADG4-UCC2818ADR-UCC2818AN-UCC2818ANG4-UCC2818APWR-UCC2818APWRG4
BiCMOS Power Factor Preregulator
VREF
DRVOUT
GND
VCC
OVP/EN
VAOUT
1.9 V
PKLMT
7.5 V
REFERENCE
UVLO
16 V/10 V (UCC3817A)
10.5 V/10 V (UCC3818A)
VCC
OSCILLATOR Q
PWM
LATCH PWM
VOLTAGE
ERROR AMP
8.0 VVSENSE
ENABLE
OVP
MULT
CURRENT
AMP
16 V (FOR UCC3817A ONLY)0.33 V
ZERO POWER
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UCC2817A, UCC2818A, UCC3817A, UCC3818A

SLUS577D –NOVEMBER 2011–REVISED AUGUST
UCCx81xA BiCMOS Power Factor Preregulator Features
Controls Boost Preregulatorto Near-Unity Power
Factor Limits Line Distortion World Wide Line Operation Overvoltage Protection Accurate Power Limiting Average Current Mode Control Improved Noise Immunity Improved Feed-Forward Line Regulation Leading Edge Modulation 150-µA Typical Start-Up Current Low-Power BiCMOS Operation 12-Vto 17-V Operation Frequency Rangeof6 kHzto 220 kHz Applications PC Power Consumer Electronics Lighting Industrial Power Supplies IEC6100-3-2 Compliant Supplies Less Than
300W Description the UCC3818A family provides for active power The controller achieves shaping theac input lineto thatof the ac input mode control maintains line current. BiCMOS process, the offers new features such as lower power dissipation,
overvoltage protection,a shunt UVLO detect circuitry, leading-edge modulation techniqueto reduce ripple
currentin the bulk capacitor and an improved, low-
offset (±2 mV) current amplifierto reduce distortionat
light load conditions.
Block Diagram
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