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LP3965EMPX-2.5 Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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LP3965EMPX-2.5 Datasheet(HTML) 7 Page - National Semiconductor (TI) |
7 / 22 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) 1.5A Operating Junction Temp. Range −40˚C to +125˚C Electrical Characteristics LP3962/LP3965 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) + 1V, IL = 10 mA, COUT = 33µF, VSD =VIN-0.3V. Symbol Parameter Conditions Typ (Note 4) LP3962/5 (Note 5) Units Min Max V O Output Voltage Tolerance (Note 8) 10 mA ≤ I L ≤ 1.5A V OUT +1 ≤ VIN≤ 7.0V 0 -1.5 -3.0 +1.5 +3.0 % V ADJ Adjust Pin Voltage (ADJ version) 10 mA ≤ I L ≤ 1.5A V OUT +1.5V ≤ VIN≤ 7.0V 1.216 1.198 1.180 1.234 1.253 V ∆V OL Output Voltage Line Regulation (Note 8) V OUT+1V<VIN<7.0V, 0.02 0.06 % ∆V O/ ∆IOUT Output Voltage Load Regulation (Note 8) 10 mA < I L < 1.5 A 0.04 0.09 % V IN -VOUT Dropout Voltage (Note 10) I L = 150 mA 38 45 55 mV I L = 1.5 A 380 450 550 I GND Ground Pin Current In Normal Operation Mode I L = 150 mA 4 9 10 mA I L = 1.5 A 5 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) 2.5 2.0 1.7 A SHORT CIRCUIT PROTECTION I SC Short Circuit Current 4.5 A OVER TEMPERATURE PROTECTION Tsh(t) Shutdown Threshold 165 ˚C Tsh(h) Thermal Shutdown Hysteresis 10 ˚C SHUTDOWN INPUT V SDT Shutdown Threshold Output = High V IN V IN–0.3 V Output = Low 0 0.2 www.national.com 7 |
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