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LTC1998 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1998 Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page LTC1998 3 1998fb ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply Supply Voltage Range-BATT l 1.5 5.5 V Supply Voltage Range-VLOGIC l 1VBATT V Supply Current, VBATT = 3V, VTH.A = 1.5V TA = 25°C LTC1998CS6 LTC1998IS6 l l 2.5 3.5 4.2 4.5 μA μA μA Supply Current, VBATT = 5.5V, VTH.A = 1.5V TA = 25°C LTC1998CS6 LTC1998IS6 l l 3 4.3 5.2 5.5 μA μA μA Monitor Threshold Accuracy VBATT.Th = 2.5V, Pin 3 Shorted to Ground l 0.6 0.8 0.85 1 % % VBATT.Th = 3V, Pin 3 Driven by Precision Voltage Source to 1V LTC1998C LTC1998I l l 0.5 0.6 0.61 0.71 % % VBATT.Th = 3V, VTH.A = 1V (Note 5) Programmed with 1% Max External Resistors LTC1998C LTC1998I l l 0.8 0.9 1 1.1 % % VBATT.Th = 3.25V, Pin 3 Driven by Precision Voltage Source to 1.5V LTC1998C LTC1998I l l 0.6 0.7 0.65 0.85 % % VBATT.Th = 3.25V, VTH.A = 1.5V (Note 5) Programmed with 1% Max External Resistors LTC1998C LTC1998I l l 0.9 1 1.1 1.3 % % Hysteresis Accuracy VHYST ≤ 250mV 250mV ≤ VHYST ≤ 750mV l l –5 ±5 5mV mV Allowable Hysteresis Range (Note 2) l 10 750 mV Propagation Delay COUT = 100pF Overdrive = 10mV Overdrive = 100mV 350 150 μs μs Threshold Adjust Pin Leakage, ITH.A VTH.A ≤ 1.5V l 0.01 1 nA Hysteresis Adjust Pin Leakage, IH.A VH.A ≤ 1.5V l 0.01 1 nA Output BATTLO High Voltage IOUT = –1mA, VLOGIC ≥ 1.5V l VLOGIC – 0.3 V BATTLO Low Voltage IOUT = 1mA, VBATT ≥ 2V l 0.2 V BATTLO Low Voltage IOUT = 0.25mA, VBATT = 1V l 0.3 V The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VGND = 0V, unless otherwise noted. Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: Maximum allowable hysteresis depends on desired trip voltages. See application notes for details. Note 3: LTC1998C and LTC1998I are guaranteed functional over the operating temperature range of –40°C to 85°C. Note 4: The LTC1998C is guaranteed to meet specified performance from 0°C to 70°C. The LTC1998C is designed, characterized and expected to meet specified performance from –40°C to 85°C but is not tested or QA sampled at these temperatures. The LTC1998I is guaranteed to meet specified performance from –40°C to 85°C. Note 5: This parameter is not 100% tested. |
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