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LP3906 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LP3906 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 38 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, SDA, SCL −0.3V to +6V GND to GND SLUG ±0.3V Power Dissipation (P D_MAX) (T A=85˚C, TMAX=125˚C, (Note 5)) 1.43 W Junction Temperature (T J-MAX) 150˚C Storage Temperature Range −65˚C to +150˚C Maximum Lead Temperature (Soldering) 260˚C ESD Ratings Human Body Model (Note 4) 2 kV Operating Ratings (Notes 1, 2, 7) Bucks V IN 2.7V to 5.5V V EN 0to(V IN + 0.3V) Junction Temperature (T J) Range −40˚C to +125˚C Ambient Temperature (T A) Range (Note 6) −40˚C to +85˚C Thermal Properties (Notes 3, 5, 6) Junction-to-Ambient Thermal Resistance ( θ JA)SQA024AG 28˚C/W Electrical Characteristics General Electrical Characteristics (Notes 1, 2, 7, 13) Unless otherwise noted, V IN = 3.6V, Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C. Symbol Parameter Conditions Min Typ Max Units V POR Power-On Reset Threshold V DD Falling Edge 1.9 V T SD Thermal Shutdown Threshold 160 ˚C T SDH Themal Shutdown Hysteresis 20 ˚C I 2C Compatible Interface Electrical Specifications (Note 13) Unless otherwise noted, V IN = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C Symbol Parameter Conditions Min Typ Max Units F CLK Clock Frequency 400 kHz t BF Bus-Free Time Between Start and Stop (Note 13) 1.3 µs t HOLD Hold Time Repeated Start Condition (Note 13) 0.6 µs t CLKLP CLK Low Period (Note 13) 1.3 µs t CLKHP CLK High Period (Note 13) 0.6 µs t SU Set Up Time Repeated Start Condition (Note 13) 0.6 µs t DATAHLD Data Hold time (Note 13) 0 µs t DATASU Data Set Up Time (Note 13) 100 ns T SU Set Up Time for Start Condition (Note 13) 0.6 µs T TRANS Maximum Pulse Width of Spikes that Must be Suppressed by the Input Filter of Both DATA & CLK Signals. (Note 13) 50 ns www.national.com 6 |
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