lp3856et-2.5 National Semiconductor Corporation, lp3856et-2.5 Datasheet
lp3856et-2.5
Related parts for lp3856et-2.5
lp3856et-2.5 Summary of contents
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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 Application Hints for more information. © 2006 National Semiconductor Corporation Features n Ultra low dropout voltage n Stable with selected ceramic capacitors n Low ground pin current n Load regulation of 0 ...
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Typical Application Circuits **SD pin must be pulled high through a 10kΩ pull-up resistor. See Application Hints for more information. Connection Diagrams Top View TO220-5 Package Bent, Staggered Leads Pin Description for TO220-5 and TO263-5 Packages Pin # Name 1 ...
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... LP3856ES-5.0 Rail LP3856ES-5.0 Tape and Reel LP3856ES-3.3 Rail LP3856ES-3.3 Tape and Reel LP3856ES-2.5 Rail LP3856ES-2.5 Tape and Reel LP3856ES-1.8 Rail LP3856ES-1.8 Tape and Reel LP3853ET-5.0 Rail LP3853ET-3.3 Rail LP3853ET-2.5 Rail LP3853ET-1.8 Rail LP3856ET-5.0 Rail LP3856ET-3.3 Rail LP3856ET-2.5 Rail LP3856ET-1.8 Rail www.national.com ...
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Block Diagrams www.national.com LP3853 20030903 LP3856 20030929 4 ...
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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 ...
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Electrical Characteristics LP3853/LP3856 (Continued) Limits in standard typeface are for T Unless otherwise specified Symbol Parameter Shutdown Input V Shutdown Threshold SDT T Turn-off delay dOFF T Turn-on delay dON I SD Input Current SD Error ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied OUT Dropout Voltage vs Output Load Current Ground Current vs Output Voltage Errorflag Threshold vs Junction Temperature Unless otherwise specified: T ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied Line Regulation vs Temperature Noise vs Frequency Load Transient Response 100µF, OSCON IN OUT www.national.com Unless otherwise specified: T ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied OUT Load Transient Response 10µF, TANTALUM IN OUT Load Transient Response 10µF, OSCON IN OUT Load ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied Load Transient Response 100µF, TANTALUM IN OUT Load Transient Response 10µF CERAMIC ...
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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: An input capacitor of at least 10µF is required. Ceramic or Tantalum may ...
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Application Hints (Continued) than 10 mΩ). However, some dielectric types do not have good capacitance characteristics as a function of voltage and temperature. Z5U and Y5V dielectric ceramics have capacitance that drops severely with applied voltage. A typical Z5U or ...
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Application Hints (Continued) cific frequency (measured with a 1Hz bandwidth). This type of noise is usually plotted on a curve as a function of fre- quency. Total output Noise or Broad-band noise is the RMS sum of spot noise over ...
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Application Hints (Continued) remote load will provide regulation at the remote load, as FIGURE 4. Improving remote load regulation using LP3856 SHUTDOWN OPERATION A CMOS Logic level signal at the shutdown ( SD) pin will turn-off the regulator. Pin SD ...
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Application Hints (Continued) HEATSINKING TO-263 PACKAGE The TO-263 package uses the copper plane on the PCB as a heatsink. The tab of these packages are soldered to the copper plane for heat sinking. Figure 5 shows a curve for the ...
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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 16 ...
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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. National does not assume any responsibility for use of any circuitry described, no ...