Datenblatt-Suchmaschine für elektronische Bauteile |
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LM3705XAMM-308 Datenblatt(PDF) 6 Page - National Semiconductor (TI) |
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LM3705XAMM-308 Datenblatt(HTML) 6 Page - National Semiconductor (TI) |
6 / 17 page LM3704/LM3705 Series Electrical Characteristics (Continued) Limits in the standard typeface are for T J = 25˚C and limits in boldface type apply over full operating range. Unless otherwise specified: V CC = +2.2V to 5.5V. Symbol Parameter Conditions Min Typ Max Units PFI/MR V PFT PFI Input Threshold 1.200 1.225 1.250 V V MRT MR Input Threshold MR, Low 0.8 V MR, High 2.0 V PFTH/ V MRTH PFI/MR Threshold Hysteresis PFI/MR falling: V CC =VRST MAX to 5.5V 0.0032 •V RST mV I PFI Input Current (PFI only) −75 75 nA R MR MR Pull-up Resistance 35 56 75 k Ω t MD MR to Reset Delay 12 µS t MR MR Pulse Width 25 µS PFO, LLO V OL PFO, LLO Output Voltage V CC > 2.25V, ISINK = 900µA 0.3 V V CC > 2.7V, ISINK = 1.2mA 0.3 V CC > 4.5V, ISINK = 3.2mA 0.4 V OH V CC > 2.25V, ISOURCE = 300µA 0.8 V CC V CC > 2.7V, ISOURCE = 500µA 0.8 V CC V CC > 4.5V, ISOURCE = 800µA V CC − 1.5V LLO OUTPUT V LLOT LLO Output Threshold (V LLO −VRST,VCC falling) 1.01 •V RST 1.02 •V RST 1.03 •V RST V V LLOTH Low-Line Comparator Hysteresis 0.0032 •V RST mV t CD Low-Line Comparator Delay V CC falling at 1mV/µs 20 µs Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed conditions. Note 2: The Human Body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. The machine model is a 200pF capacitor discharged directly into each pin. Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, θJ-A, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperture is calculated using: Where the value of θJ-A for the MSOP-10 package is 195˚C/W in a typical PC board mounting and the micro SMD package is 220˚C/W. www.national.com 6 |
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