LP3852EMPX-2.5 National Semiconductor, LP3852EMPX-2.5 Datasheet
LP3852EMPX-2.5
Related parts for LP3852EMPX-2.5
LP3852EMPX-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. © 2004 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 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 20031096 Top View SOT223-5 Package www.national.com (Continued) 20031005 TO263-5 Package 2 20031034 ...
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Pin Description for TO220-5 and TO263-5 Packages Pin # Name GND 4 V OUT 5 ERROR Pin Description for SOT223-5 Package Pin # Name OUT 4 ERROR ...
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... Package Type Designator is "T" for TO220 package, and "S" for TO263 package. TABLE 1. Package Marking and Ordering Information Output Voltage Order Number 5.0 LP3852EMP-5.0 5.0 LP3852EMPX-5.0 5.0 LP3852ES-5.0 5.0 LP3852ESX-5.0 3.3 LP3852EMP-3.3 3.3 LP3852EMPX-3.3 3.3 LP3852ES-3.3 3.3 LP3852ESX-3.3 2.5 LP3852EMP-2.5 2.5 LP3852EMPX-2.5 2.5 LP3852ES-2.5 2.5 LP3852ESX-2.5 1.8 LP3852ES-1.8 1.8 LP3852ESX-1.8 1.8 LP3852EMP-1.8 1.8 LP3852EMPX-1.8 5.0 LP3855EMP-5.0 5.0 LP3855EMPX-5.0 5.0 LP3855ES-5.0 5.0 LP3855ESX-5.0 3.3 LP3855EMP-3.3 www.national.com ...
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Ordering Information (Continued) TABLE 1. Package Marking and Ordering Information (Continued) Output Voltage Order Number 3.3 LP3855EMPX-3.3 3.3 LP3855ES-3.3 3.3 LP3855ESX-3.3 2.5 LP3855EMP-2.5 2.5 LP3855EMPX-2.5 2.5 LP3855ES-2.5 2.5 LP3855ESX-2.5 1.8 LP3855EMP-1.8 1.8 LP3855EMPX-1.8 1.8 LP3855ES-1.8 1.8 LP3855ESX-1.8 5.0 LP3852ET-5.0 3.3 ...
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Block Diagrams www.national.com LP3852 20031003 LP3855 20031029 6 ...
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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 LP3852/LP3855 (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 Shutdown I vs Junction Temperature Q DC Load Reg. vs Junction Temperature Unless otherwise specified ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied Over Temperature IN OUT Load Transient Response 10µF, OSCON IN OUT Load Transient Response ...
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Typical Performance Characteristics C = 10µF, S/D pin is tied OUT Load Transient Response 100µF, TANTALUM IN OUT Load Transient Response 10µF CERAMIC ...
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Application Hints V RESTRICTIONS FOR PROPER START- 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) CAPACITOR CHARACTERISTICS CERAMIC: For values of capacitance in the 10 to 100 µF range, ceramics are usually larger and more costly than tantalums but give superior AC performance for bypassing high frequency noise because of very low ...
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Application Hints (Continued) Attention should be paid to the units of measurement. Spot √ noise is measured in units µ nV/ noise is measured in µV(rms). The primary source of noise in low-dropout regulators is the internal reference. ...
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Application Hints (Continued) FIGURE 4. Improving remote load regulation using LP3855 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) θ of TO-263 package for different copper area sizes, using JA a typical PCB with 1 ounce copper and no solder mask over the copper area for heat sinking. FIGURE 5. θ vs Copper (1 Ounce) Area ...
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Physical Dimensions inches (millimeters) unless otherwise noted TO220 5-lead, Molded, Stagger Bend Package (TO220-5) For Order Numbers, refer to the “Ordering Information” section of this document. NS Package Number T05D 17 www.national.com ...
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Physical Dimensions TO263 5-Lead, Molded, Surface Mount Package (TO263-5) For Order Numbers, refer to the “Ordering Information” section of this document. www.national.com inches (millimeters) unless otherwise noted (Continued) NS Package Number TS5B 18 ...
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