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LTC2934ITS8-2-TRMPBF Datasheet(PDF) 3 Page - Linear Technology |
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LTC2934ITS8-2-TRMPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page LTC2934 3 2934f ELECTRICAL CHARACTERISTICS 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. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC VCC Input Supply Voltage l 1.6 5.5 V ICC VCC Input Supply Current l 225 500 1000 nA Threshold Adjustment Inputs: ADJ, PFI VTH Input Threshold (Monitored Voltage Falling) l 394 400 406 mV VTHM ADJ to PFI Threshold Matching l ±2 ±8 mV VADJ(HYST) Reset Threshold Hysteresis (Monitored Voltage Rising) l 18 20 25 mV VPFI(HYST) Power-Fail Threshold Hysteresis (Monitored Voltage Rising) l 810 15 mV tUV Undervoltage Detect to RST or PFO Falling VADJ or VPFI = VTH – 4mV (Note 3) 1 ms ITH(LKG) Threshold Adjustment Input Leakage Current VADJ or VPFI = 420mV l 0.1 ±1 nA Control Inputs: MR, RT VIN(TH) Control Input Threshold RT MR l l 0.3 • VCC 0.4 0.7 • VCC 1.4 V V tPW Input Pulse Width MR l 20 μs tPD Propagation Delay to RST Falling Manual Reset Falling l 25 20 μs RPU Internal Pull-Up Resistance MR l 600 900 1200 kΩ ILK Input Leakage Current (RT Input) RT = VCC or GND l ±1 ±10 nA Reset and Power Fail Outputs: RST, PFO VOL Voltage Output Low VCC = 1V, 200μA Pull-Up Current VCC = 3V, 3mA Pull-Up Current l l 25 50 100 150 mV mV VOH Voltage Output High (LTC2934-2) –200μA Pull-Down Current l 0.7 • VCC V IOH Leakage Current, Output High (LTC2934-1) VRST, VPFO = 3.6V l ±1 ±10 nA tRST Reset Timeout Period RT Input High RT Input Low l l 140 10 200 15 260 25 ms ms The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C, VCC = 3.6V, unless otherwise noted. (Note 2) Note 2. All currents into pins are positive, all voltages are referenced to GND unless otherwise noted. Note 3. Guaranteed by design. Characterized, but not production tested. |
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