LP3964ES-2.5/NOPB National Semiconductor, LP3964ES-2.5/NOPB Datasheet
LP3964ES-2.5/NOPB
Specifications of LP3964ES-2.5/NOPB
*LP3964ES-2.5/NOPB
LP3964ES-2.5
Related parts for LP3964ES-2.5/NOPB
LP3964ES-2.5/NOPB Summary of contents
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... ERROR pins must be pulled high through a 10kΩ pull-up resistor. Connect the ERROR pin to ground if this function is not used. See applications section for more information. ** See Application Hints. © 2006 National Semiconductor Corporation Features n Ultra low dropout voltage n Low ground pin current n Load regulation of 0.02% n 15µ ...
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Typical Application Circuits *SD and ERROR pins must be pulled high through a 10kΩ pull-up resistor. Connect the ERROR pin to ground if this function is not used. See applications section for more information. ** See Application Hints Block Diagram ...
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Block Diagram LP3964 Block Diagram LP3964-ADJ 10112929 10112930 3 www.national.com ...
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Connection Diagrams 10112904 Top View SOT 223-5 Package Pin Descriptions for SOT223-5 Package Pin # Name OUT 4 ERROR 5 GND Pin Descriptions for TO220-5 and TO263-5 Packages Pin # Name 1 SD ...
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... Reel LP3961ES-5.0 Rail LP3961ESX-5.0 Tape and Reel LP3961ES-3.3 Rail LP3961ES-3.3 Tape and Reel LP3961ES-2.5 Rail LP3961ES-2.5 Tape and Reel LP3961ES-1.8 Rail LP3961ES-1.8 Tape and Reel LP3964ES-5.0 Rail LP3964ES-5.0 Tape and Reel LP3964ES-3.3 Rail LP3964ES-3.3 Tape and Reel LP3964ES-2.5 Rail www.national.com ...
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... SENSE TO220-5 800mA, SENSE TO220-5 800mA, SENSE TO220-5 800mA, SENSE TO220-5 800mA, ADJ TO220-5 6 Package Marking Supplied As: LP3964ES-2.5 Tape and Reel LP3964ES-1.8 Rail LP3964ES-1.8 Tape and Reel LP3964ES-ADJ Rail LP3964ES-ADJ Tape and Reel LP3961ET-5.0 Rail LP3961ET-3.3 Rail LP3961ET-2.5 Rail LP3961ET-1.8 Rail LP3964ET-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. Storage Temperature Range Lead Temperature (Soldering, 5 sec.) ESD Rating (Note 3) Power Dissipation (Note 2) Input Supply Voltage (Survival) Shutdown Input Voltage (Survival) ...
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Electrical Characteristics LP3961/LP3964 (Continued) Limits in standard typeface are for T Unless otherwise specified Symbol Parameter T Turn-off delay dOFF T Turn-on delay dON I SD Input Current SD ERROR FLAG COMPARATOR V Threshold T V ...
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Typical Performance Characteristics C = 33µ 10mA 68µF, V OUT OUT IN Drop-Out Voltage Vs Temperature for Different Load Currents Ground Pin Current Vs Input Voltage (V Ground Current Vs Temperature (V Unless otherwise specified, V ...
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Typical Performance Characteristics C = 33µ 10mA 68µF, V OUT OUT IN Ground Pin Current Vs Shutdown Pin Voltage Output Noise Density, V Load Transient Response www.national.com Unless otherwise specified and T ...
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Typical Performance Characteristics C = 33µ 10mA 68µF, V OUT OUT IN δV vs Temperature OUT Line Transient Response Line Transient Response (I OUT Unless otherwise specified and T = 25˚C. (Continued) ...
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Application Hints EXTERNAL CAPACITORS Like any low-dropout regulator, external capacitors are re- quired to assure stability. these capacitors must be correctly selected for proper performance. INPUT CAPACITOR: The LP3961/4 requires a low source impedance to maintain regulator stability because the ...
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Application Hints (Continued) the LP396X. Derating must be applied to the manufacturer’s ESR specification, since it is typically only valid at room temperature. Any applications using aluminum electrolytics should be thoroughly tested at the lowest ambient operating tempera- ture where ...
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Application Hints (Continued) Once the power pass element shuts down, the control loop will rapidly cycle the output on and off until the average power dissipation causes the thermal shutdown circuit to respond to servo the on/off cycling to a ...
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Application Hints (Continued) FIGURE 2. Improving remote load regulation using LP3964 SHUTDOWN OPERATION A CMOS Logic level signal at the shutdown ( SD) pin will turn-off the regulator. Pin SD must be actively terminated through a 10kΩ pull-up resistor for ...
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Application Hints (Continued) HEATSINKING TO-263 AND SOT-223 PACKAGES The TO-263 and SOT223 packages use the copper plane on the PCB as a heatsink. The tab of these packages are soldered to the copper plane for heat sinking. Figure 3 shows ...
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Application Hints (Continued) FIGURE 8. SCENARIO C, θ JA FIGURE 9. SCENARIO D, θ JA 10112922 = 92˚C/W FIGURE 10. SCENARIO E, θ 10112923 = 83˚C/W FIGURE 11. SCENARIO F, θ 17 10112924 = 77˚C/W JA 10112925 = 75˚C/W JA ...
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FIGURE 12. SCENARIO G, θ = 113˚C/W JA 10112927 FIGURE 13. SCENARIO H, θ = 79˚C ...
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Application Hints (Continued) 10112928 FIGURE 14. SCENARIO I, θ = 78.5˚C www.national.com ...
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Physical Dimensions TO220 5-lead, Molded, Stagger Bend Package (TO220-5) For Order Numbers, refer to the “Ordering Information” section of this document. www.national.com inches (millimeters) unless otherwise noted NS Package Number T05D 20 ...
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued) TO263 5-Lead, Molded, Surface Mount Package (TO263-5) For Order Numbers, refer to the “Ordering Information” section of this document. NS Package Number TS5B 21 www.national.com ...
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