전자부품 데이터시트 검색엔진 |
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LM26 데이터시트(PDF) 3 Page - National Semiconductor (TI) |
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LM26 데이터시트(HTML) 3 Page - National Semiconductor (TI) |
3 / 6 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V ADAPTER −0.3V to 28V V PEAK SENSE,VDIRECTION SENSE, V BACKFEED,VDISCONNECT −0.3V to V ADAPTER V ADAPTER ENABLE, V MASTER POWER SOURCE −0.3V to 5.5V V MPS DELAY −0.3V to 2V Storage Temperature −40˚C to 125˚C ESD Ratings Human Body Model (Note 2) Machine Model (Note 3) 2kV 200V Operating Ratings (Note 1) Supply Voltage (V ADAPTER) 5Vto24V Ambient Temp. Range −20˚C to 70˚C Junction Temp. Range −20˚C to 85˚C Electrical Characteristics Limits with standard typeface apply for T J = 25˚C, and limits in boldface type apply over the full temperature range (Note 4) Symbol Parameter Conditions Min Typ Max Units V AE Adapter Enable - 3V- or 5V-CMOS or TTL Logic Input High Low 2.0 0.8 V V AP, CP Logic Output Voltage Adapter present, Charger present High Low, I SINK = 5µA 2.9 3.1 0.25 0.6 V V MPSI Master Power Source 5V-CMOS Logic Input High Low 4.0 0.8 V V MPSO Logic Output Voltage Master Power Source V ADAPTER > 5.8V High Low 4.5 4.75 0.05 0.5 V V ADAPTER Adapter Voltage for V AP Low-to-High Transition 11.7 12.0 12.3 V Hysteresis 1.8 2.0 2.2 V CHARGER Adapter Voltage for V CP Low-to-High Transition 16.5 17.0 17.4 V Hysteresis 0.08 0.10 0.12 ∆V BACKFEED Current Sense Differential Voltage Threshold for Driving Backfeed FET Vadapter − Direction sense, V ADAPTER =5V 4 3 917 18 mV ∆V DISCONNECT Current Sense Differential Voltage Threshold for Driving Disconnect FET Vadapter − Peak sense, V ADAPTER = 24V 127 125 135 143 145 mV V BACKFEED, FET Control Voltage V ADAPTER > 11V High V ADAPTER - 0.5V V V DISCONNECT V ADAPTER > 11V Low V ADAPTER - 10V or GND+0.5V, whichever is greater t DRIVE Rise/Fall Time of FET Drive (Note 5) V ADAPTER = 10V C Load = 3000pF 3 6 µS I Q Quiescent Current V ADAPTER = 24V 2 10 mA I L,B, I L,D Leakage Current into Backfeed or Disconnect V ADAPTER =0V V BACKFEED,VDISCONNECT = 18V 1 15 µA I L,AE Input Current into Adapter Enable Input V AE = 3.3V, Backfeed/Disconnect = 18V 50 µA I L, MPS Input Current into MPS Input V MPS = 5.5V 175 µA TC DELAY Delay Time Temperature Coefficient 4000 ppm/˚C 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. Note 2: The human body model is a 100pF capacitor discharged through a 1.5k Ω resistor into each pin. Note 3: The machine model is a 200pF capacitor discharged directly into each pin. All pins are rated for 200V except pins 4 and 5 which are rated for 100V. Note 4: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis. www.national.com 3 |
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