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LP2997 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LP2997 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 12 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. PVIN, AVIN, VDDQ to GND No pin should exceed AVIN −0.3V to +6V Storage Temp. Range −65˚C to +150˚C Junction Temperature 150˚C Lead Temperature (Soldering, 10 sec) 260˚C SO-8 Thermal Resistance ( θ JA) 151˚C/W PSOP-8 Thermal Resistance ( θ JA) 43˚C/W Minimum ESD Rating (Note 2) 1kV Operating Range Junction Temp. Range (Note 3) 0˚C to +125˚C AVIN to GND 2.2V to 5.5V Electrical Characteristics Specifications with standard typeface are for T J = 25˚C and limits in boldface type apply over the full Operating Temperature Range (T J = 0˚C to +125˚C) (Note 4). Unless otherwise specified, AVIN = 2.5V, PVIN = 1.8V, VDDQ = 1.8V. Symbol Parameter Conditions Min Typ Max Units V REF V REF Voltage PVIN = VDDQ = 1.7V PVIN = VDDQ = 1.8V PVIN = VDDQ = 1.9V 0.837 0.887 0.936 0.860 0.910 0.959 0.887 0.937 0.986 V Z VREF V REF Output Impedance I REF = -30 to +30 µA 2.5 k Ω V TT V TT Output Voltage I OUT =0A PVIN = VDDQ = 1.7V PVIN = VDDQ = 1.8V PVIN = VDDQ = 1.9V 0.822 0.874 0.923 0.856 0.908 0.957 0.887 0.939 0.988 V I OUT = ±0.5A (Note 7) PVIN = VDDQ = 1.7V PVIN = VDDQ = 1.8V PVIN = VDDQ = 1.9V 0.828 0.878 0.928 0.856 0.908 0.957 0.890 0.940 0.990 Vos TT/VTT V TT Output Voltage Offset (V REF-VTT) I OUT =0A I OUT = -0.5A I OUT = +0.5A -25 -25 -25 0 0 0 25 25 25 mV I Q Quiescent Current (Note 5) I OUT = 0A (Note 5) 320 500 µA Z VDDQ VDDQ Input Impedance 100 k Ω I SD Quiescent Current in Shutdown (Note 5) SD = 0V 115 150 µA I Q_SD Shutdown Leakage Current SD=0V 2 5 µA V IH Minimum Shutdown High Level 1.9 V V IL Minimum Shutdown Low Level 0.8 V I SENSE V SENSE Input Current 13 nA T SD Thermal Shutdown (Note 6) 165 Celsius T SD_HYS Thermal Shutdown Hysteresis 10 Celsius www.national.com 3 |
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Similar Description - LP2997 |
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