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L3037FN Datasheet(PDF) 14 Page - STMicroelectronics |
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L3037FN Datasheet(HTML) 14 Page - STMicroelectronics |
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14 / 22 page  ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit DETECTORS OFF HOOK DETECTOR Idet Off-hook Current Threshold stand by state 9 12 mA Idet Off-hook Current Threshold active state 9 12 mA Hys Off-hook / On-hook Hysteresys Both stand by and active state 1 1.6 mA Td Dialling Distortion active state -1 1 ms GROUND KEY DETECTOR ILL Ground Key Current Threshold ILL =(IB -IA) /2 TIP to RING to GND or RING to GND 4mA POWER DISSIPATION ON L3037 at VBAT = 48V Pd Power Down any line lenght 38 mW Pd Stand-by 2-wire open RL = 0 to 2K 95 136 250 mW mW Pd Active, Rfeed = 800 Ω ILIM = 25mA ILIM = 44mA ILIM = 55mA 2-wire open RL = 0 to 2K RL = 0 to 2K RL = 0 to 2K 155 224 710 1730 2660 mW mW mW mW Pd Active, Rfeed = 400 Ω ILIM = 25mA ILIM = 44mA ILIM = 55mA 2-wire open RL = 0 to 2K RL = 0 to 2K RL = 0 to 2K 155 224 510 870 1280 mW mW mW mW Pd Active Ground Key 1500 mW POWER DISSIPATION ON QEXT AT Vbat = 48V Pdq Active, Rfeed = 800 Ω ILIM = 25mA ILIM = 44mA ILIM = 55mA RL = 0 to 2K RL = 0 to 2K RL = 0 to 2K 880 810 420 mW mW mW Pdq Active, Rfeed = 400 Ω ILIM = 25mA ILIM = 44mA ILIM = 55mA RL = 0 to 2K RL = 0 to 2K RL = 0 to 2K 1080 1610 1670 mW mW mW SUPPLY CURRENTS ANALOG SUPPLY ICC VCC Power Down 1.5 2.2 mA ISS VSS Power Down 0.1 0.5 mA ICC VCC Stand-by / A open 4 5 mA ISS VSS Stand-by / A open 1.5 3 mA ICC VCC Active 6 10 mA ISS VSS Active 3 6 mA BATTERY SUPPLY Ibat Power down a or b to BGND 120 500 µA Ibat Stand-by 2-wire open 1.4 2 mA Ibat Active 2-wire open 2-wire RL = 400 Ω 2.3 3 ILOOP+5 mA mA L3037 14/22 |
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