lm2990-5.0mw8 National Semiconductor Corporation, lm2990-5.0mw8 Datasheet
lm2990-5.0mw8
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lm2990-5.0mw8 Summary of contents
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... Negative Low Dropout Regulator General Description The LM2990 is a three-terminal, low dropout, 1 ampere neg- ative voltage regulator available with a fixed output voltage of −5V. The LM2990 uses new circuit design techniques to provide low dropout and low quiescent current. The dropout voltage at 1A load current is typically 0.6V and a guaranteed worst- case maximum of 1V over the entire operating temperature range ...
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Equivalent Schematic www.national.com 2 ...
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Absolute Maximum Ratings Input Voltage Power Dissipation (Note 3) Junction Temperature (T ) Jmax Storage Temperature Thermal Resistance θ JA Ceramic Dip (Still Air @ 0.5°C/W) Ceramic Dip (500LF/Min Air flow @ 0.5°C/W) θ JC Ceramic Dip (Note 4) Package ...
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... O Nom Note 7: The −5V version, tested with a lower input voltage, does not reach the foldback current limit and therefore conducts a higher short circuit current level. If the LM2990 output is pulled above ground, the maximum allowed current sunk back into the LM2990 is 1.5A. www.national.com = − ...
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... Ripple Rejection: The ratio of the peak-to-peak input ripple voltage to the peak-to-peak output ripple voltage. Temperature Stability of V output voltage for a thermal variation from room temperature to either temperature extreme. Normalized Output Voltage 20158614 Low Voltage Behavior 20158616 5 : The percentage change in O 20158615 LM2990-5.0 20158619 www.national.com ...
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... LM2990-5.0 Line Transient Response LM2990-5.0 Ripple Rejection Maximum Output Current www.national.com Load Transient Response 20158620 20158625 Maximum Output Current 20158627 6 LM2990-5.0 20158621 LM2990-5.0 Output Impedance 20158626 20158630 ...
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... If the voltage source pulling the output positive is DC, the current must be limited to 1.5A. A current over 1.5A fed back into the LM2990 could damage the device. The LM2990 output can also withstand fast posi- tive voltage transients up to 26V, without any current limiting of the source ...
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... New Release, Corporate format www.national.com Section MDS data sheet converted into Corp. data sheet format. Data Sheet referencing Die NSID LM2990– 5.0 MD8 and MW8 only. Package products are Code K no longer available. Archive the 3 MDS data sheets MNLM2990-5.0-X Rev 0B1, MNLM2990-12-X Rev 0B0, and MNLM2990-15-X Rev 0B0 ...
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Physical Dimensions inches (millimeters) unless otherwise noted 16–Lead Ceramic Dual–in–Line Package NS Package Number J16A 9 www.national.com ...
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