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Application Notes   

  • UCC28070 Implement Bridgeless PFC Pre-Regulator Design (slua517.HTM, 8 KB)
    18 Jun 2009 Abstract
  • UCC28070 300W Interleaved PFC Pre-regulator Design Review (Rev. A) (slua479a.HTM, 9 KB)
    05 Jun 2009 Abstract
 

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Transition Mode Control (8) Wide UVLO Hysteresis (33)
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Part Number  Status  Rating  Practical Operating Frequency (max) (MHz)  Duty Cycle (max) (%)  Startup Current (mA)  Vref tol (%)  Vref (V)  Operating Supply Current (mA)  Operating Supply (max) (V)  UVLO Thresholds On/Off (V)  Transition Mode Control  Narrow UVLO Hysteresis  Wide UVLO Hysteresis  Soft Switching Features  Leading Edge Modulation  < 150W Applications  > 750W Applications  Enable  OVP  Programmable Output Power  Average Current Mode  Power Limiting  Pin/Package  Approx. Price (US$)  
Description  
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UCC28019AACTIVE  Catalog        2  5  2.9  21  10.5/9.5    Yes      Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  8PDIP
8SOIC		0.75 | 1ku  8-Pin Continuous Conduction Mode (CCM) PFC Controller  
UCC28061ACTIVE  Catalog  0.5  100  0.2  2  6.0  5  21  12/10  Yes  Yes    Yes      Yes  Yes  Yes      Yes  16SOIC1.10 | 1ku  Natural Interleaving(TM) Transition-Mode PFC Controller with Improved Audible Noise Immunity  
UCC28070ACTIVE  Catalog  0.3  99  20  3  6  20  21  10.2/9.2              Yes    Yes    Yes  Yes  20SOIC
20TSSOP		1.95 | 1ku  Two-Phase Interleaved CCM PFC Controller  
UCC28060ACTIVE  Catalog  0.5  100  0.2  2  6  5  21  12/10  Yes  Yes    Yes      Yes  Yes  Yes      Yes  16SOIC1.20 | 1ku  Natural Interleaved Dual-Phase Transition-Mode PFC Controller  
UCC28019ACTIVE  Catalog  0.65  99.3  0.1  2  5  7  22  10.5/9.5    Yes      Yes  Yes  Yes    Yes    Yes  Yes  8PDIP
8SOIC		0.75 | 1ku  8-Pin Continuous Conduction Mode (CCM) PFC Controller  
UC2853AACTIVE  Catalog  0.115  95  0.25      10  40  11.5/9.5      Yes            Yes    Yes  Yes  8PDIP
8SOIC		0.99 | 1ku  High Power Factor Preregulator  
UC2854B-EP ACTIVE  HiRel Enhanced Product                                          16SOIC3.51 | 100u  Enhanced Product Advanced High-Power Factor Preregulator  
UCC28528ACTIVE  Catalog  0.5    0.1      4  18  10.2/9.7    Yes        Yes  Yes  Yes  Yes    Yes    20SOIC2.30 | 1ku  Advanced PWM/PFC Combination Controller with TEM/TEM Modulation  
UCC28521ACTIVE  Catalog  0.5    0.1      4  18  10.2/9.7    Yes        Yes  Yes  Yes      Yes    20SOIC2.30 | 1ku  Advanced PWM/PFC Combination Controller with TEM/TEM Modulation  
UCC38051ACTIVE  Catalog  0.2    0.075      4  18  16/10  Yes    Yes            Yes        8PDIP
8SOIC		0.60 | 1ku  PFC Controller for low to medium power applications requiring compliance with IEC 1000-3-2  
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