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LP3963ESX-2.5 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LP3963ESX-2.5 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
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6 / 17 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. Storage Temperature Range −65˚C to +150˚C Lead Temperature (Soldering, 5 sec.) 260˚C ESD Rating (Note 3) 2 kV Power Dissipation (Note 2) Internally Limited Input Supply Voltage (Survival) −0.3V to +7.5V Shutdown Input Voltage (Survival) −0.3V to V IN+0.3V Output Voltage (Survival), (Note 6), (Note 7) −0.3V to +7.5V I OUT (Survival) Short Circuit Protected Maximum Voltage for ERROR Pin V IN+0.3V Maximum Voltage for SENSE Pin V OUT+0.3V Operating Ratings Input Supply Voltage (Operating), (Note 12) 2.5V to 7.0V Shutdown Input Voltage (Operating) −0.3V to V IN+0.3V Maximum Operating Current (DC) 3A Operating Junction Temp. Range −40˚C to +125˚C Electrical Characteristics LP3963/LP3966 Limits in standard typeface are for T J = 25˚C, and limits in boldface type apply over the full operating temperature range. Unless otherwise specified: V IN =VO(NOM) + 1.5V, IL = 10 mA, COUT =33µF, VSD =VIN-0.3V. Symbol Parameter Conditions Typ (Note 4) LP3963/6 (Note 5) Units Min Max V O Output Voltage Tolerance (Note 8) V OUT +1.5V < VIN< 7.0V 10 mA < I L < 3A 0 -1.5 -3.0 +1.5 +3.0 % V ADJ Adjust Pin Voltage (ADJ version) 10 mA ≤ I L ≤ 3A V OUT +1.5V ≤ V IN ≤ 7.0V 1.216 1.198 1.180 1.234 1.253 V ∆V OL Output Voltage Line Regulation (Note 8) V OUT +1.5V < VIN < 7.0V 0.02 0.06 % ∆V O/ ∆I OUT Output Voltage Load Regulation (Note 8) 10 mA < I L < 3A 0.06 0.01 % V IN -VOUT Dropout Voltage (Note 10) I L = 300 mA 80 100 120 mV I L = 3A 800 1000 1200 I GND Ground Pin Current In Normal Operation Mode I L = 300 mA 5 9 10 mA I L =3A 6 14 15 I GND Ground Pin Current In Shutdown Mode (Note 11) V SD ≤ 0.2V 15 25 75 µA I O(PK) Peak Output Current (Note 2) 4.5 4 3.5 A SHORT CIRCUIT PROTECTION I SC Short Circuit Current 5.5 A OVER TEMPERATURE PROTECTION Tsh(t) Shutdown Threshold 165 ˚C Tsh(h) Thermal Shutdown Hysteresis 10 ˚C www.national.com 6 |
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