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LM3526MX-L 数据表(PDF) 3 Page - National Semiconductor (TI) |
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LM3526MX-L 数据表(HTML) 3 Page - National Semiconductor (TI) |
3 / 11 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. Supply Voltage −0.3V to 6V Output Voltage −0.3V to 6V Voltage at All Other Pins −0.3V to 5.5V Power Dissipation (T A = 25˚C) (Note 2) 700 mW T JMAX (Note 2) 160˚C Operating Ratings Supply Voltage Range 2.7V to 5.5V Operating Ambient Range −40˚C to 85˚C Operating Junction Temperature Range −40˚C to 125˚C Storage Temperature Range −65˚C to +150˚C Lead Temperature (Soldering, 5 seconds) 260˚C ESD Rating (Note 3) ESD Rating Output Only 2kV 8kV DC Electrical Characteristics 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 = 5.0V, VEN = 0V (LM3526-L) or VEN = VIN (LM3526-H). Symbol Parameter Conditions Min Typ Max Units R ON On Resistance V IN = 5V, IOUT = 500mA, each switch 100 140 m Ω V IN = 2.7V, IOUT = 500mA, each switch 110 180 I OUT OUT pins continuous output current Each Output 0.5 A I SC Short Circuit Output Current Each Output (enable into Load) (Note 4) V OUT = 4.0V V OUT = 0.1V 0.5 1.2 1 1.9 1.5 A OC THRESH Over-current Threshold 2.2 3.2 A I LEAK OUT pins Output Leakage Current V EN =VIN (LM3526-L) V EN = 0V (LM3526-H) 0.01 10 µA R FO FLAG Output Voltage I FO = 10 mA, VIN = 5.0V 10 25 Ω I FO = 10 mA, VIN = 3.3V 11 35 I FO = 10 mA, VIN = 2.7V 12 40 I EN EN/EN Leakage Current V EN/VEN =0VorVEN/VEN =VIN −0.5 0.5 µA V IH EN/EN Input Logic High (Note 5) 2.4 1.9 V V IL EN/EN Input Logic Low (Note 5) 1.7 0.8 V V UVLO Under-Voltage Lockout Threshold 1.8 V I DDOFF Supply Current Switch-Off −40˚C ≤ T J ≤ 85˚C 0.2 1 2 µA I DDON Supply Current Switch-On 115 200 µA Th SD Over-temperature Shutdown Threshold T J Increasing, with no shorted output T J Increasing, with shorted output (s) T J Decreasing (Note 4) 150 145 135 ˚C I FH Error Flag Leakage Current V flag = 5V 0.01 1 µA Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device beyond its rated operating conditions. Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX (Maximum junction temperature), θJA (junction to am- bient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDMAX = (TJMAX −TA)/θJA or the number given in the Absolute Maximum Ratings, which ever is lower. θJA = 150˚C/W. Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 k Ω resistor into each pin. Enable pin ESD threshold is 1.7kV. Note 4: Thermal Shutdown will protect the device from permanent damage. Note 5: For LM3526-L, OFF is EN ≥ 2.4V and ON is EN ≤ 0.8V. For LM3526-H, OFF is EN ≤ 0.8V and ON is EN ≥ 2.4V. www.national.com 3 |
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类似说明 - LM3526MX-L |
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