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LTC4100 Datasheet(PDF) 4 Page - Linear Technology |
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LTC4100 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 48 page  LTC1760 4 1760fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Trip Points VTR DCDIV/LOPWR Threshold VDCDIV or VLOPWR Falling C-Grade (Note 6) I-Grade (Note 6) l l 1.166 1.162 1.19 1.19 1.215 1.215 V V VTHYS DCDIV/LOPWR Hysteresis Voltage VDCDIV or VLOPWR Rising 30 mV IBVT DCDIV/LOPWR Input Bias Current VDCDIV or VLOPWR = 1.19V 20 200 nA VTSC Short-Circuit Comparator Threshold VSCP – VSCN, VCC ≥ 5V C-Grade (Note 6) I-Grade (Note 6) l l 90 88 100 100 115 115 mV mV VFTO Fast PowerPath Turn-Off Threshold VDCDIV Rising from VCC 6 7 7.9 V VOVSD Overvoltage Shutdown Threshold as a Percent of Programmed Charger Voltage VSET Rising from 0.8V until TGATE and BGATE Stop Switching 107 % DACs IRES IDAC Resolution Guaranteed Monotonic 10 Bits tIP tILOW IDAC Pulse Period: Normal Mode Wake-Up Mode 610 50 15 μs ms Charging Current Granularity RILIMIT = 0 (Short ILIMIT to GND) RILIMIT = 10k ±1% RILIMIT = 33k ±1% RILIMIT = Open (or Short ILIMIT to VCC2 ) 1 2 4 4 mA mA mA mA IWAKE_UP Wake-Up Charging Current (Note 5) 60 80 100 mA ILIMIT Charging Current Limit C-Grade (Note 6) RILIMIT = 0 (Short ILIMIT to GND) RILIMIT = 10k ±1% RILIMIT = 33k ±1% RILIMIT = Open (or Short ILIMIT to VCC2 ) I-Grade (Note 6) RILIMIT = 0 (Short ILIMIT to GND) RILIMIT = 10k ±1% RILIMIT = 33k ±1% RILIMIT = Open (or Short ILIMIT to VCC2 ) l l l l l l l l 980 1960 2490 3920 930 1870 2380 3750 1000 2000 3000 4000 1000 2000 3000 4000 1070 2140 3210 4280 1110 2220 3320 4430 mA mA mA mA mA mA mA mA VRES VDAC Resolution Guaranteed Monotonic (5V < VBAT < 25V) 11 Bits VSTEP VDAC Granularity 16 mV VLIMIT Charging Voltage Limit (Note 7) RVLIMIT = 0 (Short VLIMIT to GND) RVLIMIT = 10k ±1% RVLIMIT = 33k ±1% RVLIMIT = 100k ±1% RVLIMIT = Open (or Short VLIMIT to VCC2 )(Note 13) l l l l l 8400 12608 16832 21024 8432 12640 16864 21056 32768 8464 12672 16896 21088 mV mV mV mV mV Charge MUX Switches tONC GCH1/GCH2 Turn-On Time VGCHX – VSCHX > 3V, CLOAD = 3000pF 5 10 ms tOFFC GCH1/GCH2 Turn-Off Time VGCHX – VSCHX < 1V, from Time of VCSN < VBATX – 30mV, CLOAD = 3000pF 15 μs VCON CH Gate Clamp Voltage GCH1 GCH2 ILOAD = 1μA VGCH1 – VSCH1 VGCH2 – VSCH2 5 5 5.8 5.8 7 7 V V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are at TA = 25°C (Note 6). VDCIN = 20V, VBAT1 = 12V, VBAT2 = 12V, VVDDS = 3.3V, VVCC2 = 5.2V unless otherwise noted. |
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