LP3891ES-1.5 National Semiconductor, LP3891ES-1.5 Datasheet
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LP3891ES-1.5
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LP3891ES-1.5 Summary of contents
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... At least 10 µF of input and output capacitance is required for stability. *Tantalum capacitors are recommended. Aluminum electrolytic capacitors may be used for restricted temperature range. See application hints. Connection Diagrams TO-220, Top View © 2003 National Semiconductor Corporation Features n Ultra low dropout voltage (100mV n Low ground pin current n Load regulation of 0 ...
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... Ordering Information Order Number LP3891ES-1.2 LP3891ESX-1.2 LP3891ET-1.2 LP3891ES-1.5 LP3891ESX-1.5 LP3891ET-1.5 LP3891ES-1.8 LP3891ESX-1.8 LP3891ET-1.8 Block Diagram www.national.com Package Type Package Drawing TO263-5 TS5B TO263-5 TS5B TO220-5 T05D TO263-5 TS5B TO263-5 TS5B TO220-5 T05D TO263-5 TS5B TO263-5 TS5B TO220-5 T05D 2 Supplied As Rail Tape and Reel ...
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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. Storage Temperature Range Lead Temp. (Soldering, 5 seconds) ESD Rating Human Body Model (Note 3) Machine Model (Note 10) Power Dissipation (Note 2) V Supply Voltage (Survival) ...
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Electrical Characteristics over the full operating temperature range. Unless otherwise specified µ (Continued) OUT S/D BIAS Symbol Parameter AC Parameters PSRR (V ) Ripple Rejection for V IN Voltage PSRR Ripple Rejection ...
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Typical Performance Characteristics 10µF, S/D pin is tied 2.2V, V BIAS VSD GND DC Load Regulation Line Regulation vs V Unless otherwise specified 1.8V OUT 20069505 20069507 BIAS 20069509 5 ...
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Typical Performance Characteristics 10µF, S/D pin is tied 2.2V, V BIAS VSD GND V Startup Waveform OUT Line Regulation vs V www.national.com Unless otherwise specified 1.8V (Continued) OUT 20069512 20069515 ...
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Typical Performance Characteristics 10µF, S/D pin is tied 2.2V, V BIAS IN V PSRR IN Unless otherwise specified 1.8V (Continued) OUT 20069523 7 = 25˚ µF, Cin = J OUT ...
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Application Hints V RESTRICTIONS FOR PROPER START-UP BIAS To prevent misoperation, ensure that V before start-up is initiated. This scenario can occur in sys- tems with a backup battery using reverse-biased "blocking" diodes which may allow enough leakage current to ...
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Application Hints (Continued) HEATSINKING TO-220 PACKAGE The thermal resistance of a TO220 package can be reduced by attaching heat sink or a copper plane board copper plane used, the ...
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Application Hints (Continued) As shown in the graph below, increasing the copper area beyond 1 square inch produces very little improvement. The minimum value for θ for the TO-263 package mounted PCB is 32˚C/W. Figure 2 shows ...
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Physical Dimensions inches (millimeters) unless otherwise noted TO220 5-lead, Molded, Stagger Bend Package (TO220-5) NS Package Number T05D 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 ...