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SSL8516BT Datasheet(PDF) 27 Page - NXP Semiconductors |
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SSL8516BT Datasheet(HTML) 27 Page - NXP Semiconductors |
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27 / 35 page  SSL8516BT All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 1 — 26 May 2015 27 of 35 NXP Semiconductors SSL8516BT Greenchip PFC and flyback controller Vth(burst)on on-state burst mode threshold voltage on pin FBCTRL 2.2 2.4 2.6 V Vth(burst)exit exit burst mode threshold voltage on pin FBCTRL 2.6 2.8 3.0 V Vburst(exit-on) burst mode voltage difference between exit and on-state pin FBCTRL = Vth(burst)exit -Vth(burst)on 325 390 455 mV Vburst(on-off) burst mode voltage difference between on-state and off-state pin FBCTRL = Vth(burst)on -Vth(burst)off 1.5 1.63 1.76 V IO(FBCTRL) output current on pin FBCTRL VFBCTRL =0V 0.75 0.6 0.45 mA VFBCTRL =4.5 V 0.3 0.24 0.18 mA Ito(FBCTRL) time-out current on pin FBCTRL VFBCTRL =6V 35 29 23 A Rint(FBCTRL) internal resistance on pin FBCTRL 9.8 13.2 16.5 k Valley switching flyback (HV pin) ( V/t) vrec(fb) flyback valley recognition voltage change with time [3] 75 - +75 V/ s td(vrec-swon) valley recognition to switch-on delay time [3] -75 -ns Soft-start flyback (FBSENSE pin) Istart(soft)fb flyback soft start current 75 60 45 A Vstart(soft)fb flyback soft start voltage enable voltage 0.5 0.55 0.6 V OverCurrent Protection (OCP) flyback (FBSENSE pin) Vsense(fb)max maximum flyback sense voltage V/t = 0 V/s 525 545 565 mV Vsense(fb)min minimum flyback sense voltage V/t = 0 V/s 221 232 243 mV td(FBDRIVER) delay time on pin FBDRIVER VFBSENSE pulse-stepping 400 mV around Vsense(fb)max -80 -ns ton(fb)min minimum flyback on-time VFBCRTL =3V; VFBSENSE = 0.75 V 280 340 400 ns Iadj(FBSENSE) adjust current on pin FBSENSE 2.29 2.1 1.91 A OverPower Protection (OPP) flyback (FBSENSE pin) Vsense(fb)max maximum flyback sense voltage V/t=0V/s IFBAUX =80 A 525 545 565 mV IFBAUX =120 A 495 540 565 mV IFBAUX =240 A 400 445 490 mV IFBAUX =360 A 345 400 455 mV Table 5. Characteristics …continued Tamb =25 C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into the IC; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
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