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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM27953TLX датащи(PDF) 3 Page - National Semiconductor (TI) |
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LM27953TLX датащи(HTML) 3 Page - National Semiconductor (TI) |
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3 / 11 page  Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN pin voltage -0.3V to 7.1V EN pin voltages -0.3V to (V IN+0.3V) w/ 6.0V max I Dx Pin Voltages -0.3V to (V POUT+0.3V) w/ 6.0V max Continuous Power Dissipation (Note 3) Internally Limited Junction Temperature (T J-MAX) 150oC Storage Temperature Range -65oC to +150o C Maximum Lead Temperature (Soldering, 10 sec.) 265oC ESD Rating (Note 4) Human Body Model - I Dx Pins: Human Body Model - All other Pins: Machine Model - I Dx Pins: Machine Model - All Other Pins: 1.0kV 2.0kV 100V 200V Operating Rating (Notes 1, 2) Input Voltage Range 2.7V to 5.5V Junction Temperature (T J) Range -30˚C to +125˚C Ambient Temperature (T A) Range (Note 5) -30˚C to +85˚C Thermal Properties Juntion-to-Ambient Thermal Resistance ( θ JA), (Note 6) 100˚C/W Electrical Characteristics (Notes 2, 7) Limits in standard typeface are for T J = 25˚C, and limits in boldface type apply over the full operating temperature range. Un- less otherwise specified: V IN = 3.6V; VDx = 0.6V; EN = 1.5V; RSET = 8.35k Ω;C IN,C1,C2 , and CPOUT = 1µF. (Note 8) Symbol Parameter Condition Min Typ Max Units I Dx Output Current Regulation 3.0V ≤ V IN ≤ 4.2V, and V IN = 5.5V 0.45V ≤ V Dx ≤ 3.8V R SET = 8.35k Ω 13.5 (-10%) 15 16.5 (+10%) mA (%) 3.0V ≤ V IN ≤ 5.5V; 0.6V ≤ V Dx ≤ 3.8V R SET = 6.25k Ω 20 mA 3.0V ≤ V IN ≤ 5.5V; 0.3V ≤ V Dx ≤ 3.8V R SET = 12.5k Ω 10 mA 2.7V ≤ V IN ≤ 3.0V; 0.45V ≤ V Dx ≤ 3.8V R SET = 8.35k Ω 15 mA I Dx-MATCH Current Matching Between Outputs V IN = 3.0V (Note 9) 0.6 % I Q Quiescent Supply Current 2.7V ≤ V IN ≤ 4.2V; No Load Current, EN=ON 4.4 6.75 mA I SD Shutdown Supply Current 2.7V ≤ V IN ≤ 5.5V, ENA OFF 2.3 5 µA V SET I SET Pin Voltage 2.7V ≤ V IN ≤ 5.5V 1.25 V I Dx/ISET Output Current to Current Set Ratio 100 R OUT Charge Pump Output Resistance (Note 10) V IN = 3.0V 2.7 Ω V HR Current Source Headroom Voltage Requirement (Note 11) I Dx =95%XIDx (nom) R SET = 8.35k Ω (I Dx (nom) ≈ 15mA) 320 mV f SW Switching Frequency 3.0V ≤ V IN ≤ 4.2V 375 500 625 kHz www.national.com 3 |
Аналогичный номер детали - LM27953TLX |
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Аналогичное описание - LM27953TLX |
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