LM2990T-12 National Semiconductor, LM2990T-12 Datasheet
LM2990T-12
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LM2990T-12 Summary of contents
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... Functional complement to the LM2940 series − V 3V). OUT IN ± 5% over load, Applications n Post switcher regulator n Local, on-card, regulation n Battery operated equipment DS010801-1 Output Voltage -5.2 -12 LM2990T-5.2 LM2990T-12 LM2990S-12 LM2990J-12-QML 5962-9571001QEA June 1999 Package -15 LM2990T-15 TO-220 LM2990S-15 TO-263 LM2990J-15-QML J16A 5962-9570901QEA WG16A www.national.com ...
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... Ordering Information and Connection Diagrams (Continued) 3-Lead TO-220 Front View Order Number LM2990T-5.0, LM2990T-5.2, LM2990T-12 or LM2990T-15 See NS Package Number T03B 16-Lead Ceramic Dual-in-Line Package Top View Order Number LM2990J-5.0-QML (5962-9571101QEA), LM2990J-12-QML (5962-9571001QEA), or LM2990J-15-QML (5962-9570901QEA), See NS Package Number J16A www.national.com TO-263 Surface-Mount Package DS010801-2 Order Number LM2990S-5 ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage ESD Susceptibility (Note 2) Power Dissipation (Note 3) Junction Temperature (T ) Jmax Electrical Characteristics = − 1A (Note O(NOM) O ing temperature range, −40˚C T 125˚ ...
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Electrical Characteristics = − 1A (Note O(NOM) O ing temperature range, −40˚C T 125˚C, all other limits apply for T J Parameter Conditions = 1 Short Circuit Current R (Note 7) ...
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Typical Performance Characteristics Dropout Voltage DS010801-14 LM2990-12 Quiescent Current DS010801-17 LM2990-5 and LM2990-5.2 Line Transient Response DS010801-20 LM2990-12 and LM2990-15 Line Transient Response DS010801-23 Normalized Output Voltage DS010801-15 LM2990-15 Quiescent Current DS010801-18 LM2990-5 and LM2990-5.2 Load Transient Response DS010801-21 LM2990-12 ...
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Typical Performance Characteristics LM2990-5 and LM2990-5.2 Ripple Rejection DS010801-25 LM2990-12 and LM2990-15 Ripple Rejection DS010801-28 Maximum Power Dissipation (TO-220) DS010801-31 www.national.com (Continued) LM2990-5 and LM2990-5.2 Output Impedance DS010801-26 LM2990-12 and LM2990-15 Output Impedance DS010801-29 Maximum Power Dissipation (TO-263) (See (Note ...
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Typical Applications Post Regulator for an Isolated Switching Power Supply The LM2940 is a positive 1A low dropout regulator; refer to its datasheet for further information. Fixed Current Sink Application Hints EXTERNAL CAPACITORS The LM2990 regulator requires an output capacitor ...
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Equivalent Schematic www.national.com 8 ...
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... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LM2990T-5.0, LM2990T-5.2, LM2990T-12 or LM2990T-15 TO-220 3–Lead Molded Package NS Package Number T03B 9 www.national.com ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) TO-263 3-Lead Plastic Surface Mount Package Order Number LM2990S-5.0, LM2990S-12 or LM2990S-15 www.national.com NS Package Number TS3B 10 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 16–Lead Ceramic Dual–in–Line Package LM2990J-5.0-QML (5962-9571101QEA), LM2990J-12-QML (5962-9571001QEA), or LM2990J-15-QML (5962-9570901QEA), 16–Lead Ceramic Surface–Mount Package LM2990WG5.0-QML (5962-9571101QXA) NS Package Number J16A NS Package Number WG16A 11 www.national.com ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...