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LX1688IPW-TR Datasheet(PDF) 4 Page - Microsemi Corporation |
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LX1688IPW-TR Datasheet(HTML) 4 Page - Microsemi Corporation |
4 / 16 page RangeMAX™ LX1688 PRODUCTION DATA SHEET Microsemi Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 Page 4 Copyright © 2001 Rev. 1.2, 2006-03-09 Multiple Lamp CCFL Controller TM ® ELECTRICAL CHA RACTERISTICS (CONTINUED) LX1688 Parameter Symbol Test Conditions Min Typ. Max Units STRIKE AND RAMP GENERATOR (CONTINUED) Minimum PHA_SYNC-pin output current I_PHA_SYNC VSLAVE = 0V 10 ‘mA Minimum RMP_RST-pin output current I_RMP_RST VSLAVE = 0V 10 mA Minimum A_SYNC output pulse duty-cycle DO_ASYNC VSLAVE = 0V 49 50 % Minimum A_SYNC input pulse duty-cycle DI_ASYNC VSLAVE = VDD 48 50 % Minimum RMP_RST output pulse duty-cycle DO_RST VSLAVE = 0V 10 17 % Minimum RMP_RST input pulse duty-cycle DI_RST VSLAVE = VDD 5 % OUTPUT BUFFER Output Sink Current ISK_OUTBUF VAOUT, BOUT = 1V VDD = 5.5V 100 ‘mA Output Source Current IS_OUTBUF VAOUT, BOUT = 4.5V VDD = 5.5V 100 ‘mA Output Sink Current ISK_OUTBUF VAOUT, BOUT = 1V, VDD = 3V 50 ‘mA Output Source Current IS_OUTBUF VAOUT, BOUT = 2V, VDD = 3V 50 ‘mA Output Sink Current ISK_OUTBUF VAOUT, BOUT = 1V, VDD = 5.5V 100 ‘mA PWM VSNS threshold voltage VTH_VSNS 1.2 1.25 1.3 V VCOMP Discharge Current ID_VCOMP 4 ‘mA IAMP transconductance GM_IAMP ΔISNS = 0.2V 100 200 500 µmho VAMP, IAMP output source current IS_IAMP VCOMP, ICOMP = 0 75 µA VAMP, IAMP output sink current ISK_IAMP VCOMP, ICOMP =VDD 75 µA ICOMP discharge current ID_ICOMP 10 ‘mA VAMP transconductance GM_ICMP ΔVSNS = 0.1V 200 500 800 µmho ICOMP-to-output propagation delay TD_ICOMP 1100 nS BIAS Voltage at Pin I_R V_IR 0.95 1.05 V Pin I_R max. source current IMAX_IR 50 µA Power-on Reset Pulse Width TPOR CPOR =.1uF 31 mS Minimum VDDSW sourcing Current IMIN_VDDSW (VDD – VDDSW) < 0.2V 10 25 ‘mA VDDSW Off Current IOFF_VDDSW VENABLE = 0.8V, VBEPOL = VDD VDDSW = 0V 1 15 µA GENERAL Operating Current IDD VDD = VDD_P = 5V 5.5 8 mA Output buffer operating current IDD_P VOLSNS = VDD = VDD_P = 5V, CA = CB = 1000pF 2 4 mA ENABLE logic threshold VTH_EN 0.8 1.7 2.4 V ENABLE threshold hysteresis VTH_EN 0.2 V IDD_SLEEP VENABLE = 0.8V (VBEPOL = VDD or float) 20 50 Sleep-mode current (see table-1 for Pin ENABLE polarity) IDD_SLEEP VENABLE = 2.5V (VBEPOL = VDD or float) 20 50 IDD_SLEEP VENABLE = 0.8V (VBEPOL = VSS) 20 300 VDD_P Leakage in Sleep Mode IDD_SLEEP VENABLE = 2.5V (VBEPOL = VSS) 20 300 µA UVLO threshold VTH_UVLO Rising turn-on threshold 2.6 2.8 2.9 V UVLO hysteresis VH_UVLO Falling turn-off hysteresis 190 mV |
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