поискавой системы для электроныых деталей |
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BYG10J датащи(PDF) 7 Page - Texas Instruments |
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BYG10J датащи(HTML) 7 Page - Texas Instruments |
7 / 17 page 5.2 Recommended Test Setup TP3 Buckbiasvoltagemonitor TP4&TP5 PFCoutputvoltage TP1&TP2 Loopinjectionpoint CL2 CurrentProbe: Buckinductor ripplecurrent monitor J3 ShortpinstoEnable OnBoardDimming + L N V2 CL1 CurrentProbe: PFCinductor ripplecurrent monitor 1000uF 250V A1 V1 J4 Pin1:BuckShutdown Pin2:GND Pin3ExternalPWMdimminginput J2 Pin1:PFCShutdown Pin2:GND IEC320 -C13 Plug 90-265 VRMS ACSource Constant Voltage Load + - 5.3 List of Test Points www.ti.com Test Setup Figure 3. UCC28810EVM-002 Recommended Test Set Up Note: The 1000- µF/250-V capacitor on the output is not required if the load is a string of HB-LED’s. Table 2. Test Point Functions TEST POINTS NAME DESCRIPTION TP1 Loop injection point TP2 Loop injection point, PFC output TP3 VCC_BK Buck bias voltage output TP4 PFC+ PFC output voltage TP5 PFC- PFC output voltage ground TP6 VCC_BK Buck bias voltage input TP7 GND Buck bias voltage ground TP8 GND Ground connection TP9 EN Buck enable TP10 GND Buck input voltage ground TP11 BK_IN Buck input voltage J2-1 PFC shutdown Apply 3.3 V to this pin to shutdown PFC stage J2-2 GND J4-1 BK_Shutdown Apply 3.3 V to this pin to shutdown buck stage J4-2 GND J4-3 PWM Dim Input for external PWM dimming Short the two pins on J3 to enable on board PWM diming. R26 J3 On board dim varies dimming duty cycle SLUU355A – March 2009 – Revised June 2009 A 0.9-A Constant Current Supply with PFC for 100-W LED Lighting Applications 7 Submit Documentation Feedback |
Аналогичный номер детали - BYG10J |
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Аналогичное описание - BYG10J |
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