LP3962ES-3.3 National Semiconductor, LP3962ES-3.3 Datasheet
LP3962ES-3.3
Specifications of LP3962ES-3.3
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LP3962ES-3.3 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 0.04% 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 LP3965 Block Diagram LP3965-ADJ 10126629 10126635 3 www.national.com ...
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Connection Diagrams 10126604 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 LBRB 1000 units on Tape and Reel LBRB 2000 units on Tape and Reel LP3962ES-5.0 Rail LP3962ESX-5.0 Tape and Reel LP3962ES-3.3 Rail LP3962ES-3.3 Tape and Reel LP3962ES-2.5 Rail LP3962ES-2.5 Tape and Reel LP3962ES-1.8 Rail LP3962ES-1.8 Tape and Reel LP3965ES-5.0 Rail LP3965ES-5.0 Tape and Reel LP3965ES-3 ...
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Ordering Information TABLE 1. Package Marking and Ordering Information (Continued) Output Voltage Order Number 2.5 LP3965ESX-2.5 1.8 LP3965ES-1.8 1.8 LP3965ESX-1.8 ADJ LP3965ES-ADJ ADJ LP3965ESX-ADJ 5.0 LP3962ET-5.0 3.3 LP3962ET-3.3 2.5 LP3962ET-2.5 1.8 LP3962ET-1.8 5.0 LP3965ET-5.0 3.3 LP3965ET-3.3 2.5 LP3965ET-2.5 1.8 LP3965ET-1.8 ...
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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 LP3962/LP3965 (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 Unless otherwise specified and T = 25˚C. (Continued) SD ...
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Applications Information 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 LP3962/5 requires a low source impedance to maintain regulator stability because the ...
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Applications Information 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 ESR ...
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Applications Information 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 lower ...
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Applications Information FIGURE 2. Improving remote load regulation using LP3965 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 a ...
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Applications Information 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 a ...
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Applications Information FIGURE 8. SCENARIO C, θ JA FIGURE 9. SCENARIO D, θ JA (Continued) 10126622 = 92˚C/W FIGURE 10. SCENARIO E, θ 10126623 = 83˚C/W FIGURE 11. SCENARIO F, θ 17 10126624 = 77˚C/W JA 10126625 = 75˚C/W JA ...
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FIGURE 12. SCENARIO G, θ = 113˚C/W JA FIGURE 13. SCENARIO H, θ = 79˚C 10126626 10126627 ...
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Applications Information (Continued) FIGURE 14. SCENARIO I, θ = 78.5˚C 10126628 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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