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LP2982IM5-3.0 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LP2982IM5-3.0 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 17 page Electrical Characteristics (Continued) 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 =VO(NOM) + 1V, IL = 1 mA, CIN = 1 µF, COUT = 4.7 µF, VON/OFF = 2V. Symbol Parameter Conditions Typ LP2982AI-X.X LP2982I-X.X Units (Note 6) (Note 6) Min Max Min Max Ripple Rejection f = 1 kHz C OUT =10 µF 45 dB I O(MAX) Short Circuit Current R L = 0 (Steady State) (Note 9) 150 mA Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the de- vice outside of its rated operating conditions. Note 2: The ESD rating of pins 3 and 4 is 1 kV. Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: The value of θJA for the SOT-23 package is 220˚C/W and the micro SMD package is 320˚C/W. Exceeding the maximum allowable power dissipation will cause ex- cessive die temperature, and the regulator will go into thermal shutdown. Note 4: If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2982 output must be diode-clamped to ground. Note 5: The output PNP structure contains a diode between the VIN and VOUT terminals that is normally reverse-biased. Reversing the polarity from VIN to VOUT will turn on this diode. Note 6: temperature range are guaranteed through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate National’s Average Outgoing Quality Level (AOQL). Note 7: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1V differential. Note 8: The ON/OFF inputs must be properly driven to prevent possible misoperation. For details, refer to Application Hints. Note 9: See Typical Performance Characteristics curves. Typical Performance Characteristics Unless otherwise specified: T A = 25˚C, VIN =VO(NOM) +1V, C OUT = 4.7 µF, CIN = 1 µF, all voltage options, ON/OFF pin tied to VIN. Output Voltage vs Temperature DS012679-4 Output Voltage vs Temperature DS012679-5 www.national.com 6 |
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