lp3855et-adj National Semiconductor Corporation, lp3855et-adj Datasheet
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lp3855et-adj
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lp3855et-adj Summary of contents
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... Shutdown Mode: Typically 10nA quiescent current when the shutdown pin is pulled low. Adjustable Output Voltage: The output voltage may be pro- grammed via two external resistors. Typical Application Circuit **See Application Hints. © 2008 National Semiconductor Corporation Features ■ Ultra low dropout voltage ■ Stable with selected ceramic capacitors ■ ...
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Connection Diagrams Top View TO220-5 Package Bent, Staggered Leads Top View SOT223-5 Package Pin Descriptions for TO220-5 and TO263-5 Packages Pin # Pin Descriptions for SOT223-5 Package Pin # www.national.com ...
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... LP3855EMPX-ADJ ADJ LP3855ES-ADJ ADJ LP3855ESX-ADJ ADJ LP3855ET-ADJ Current Description Package Type 1.5A SOT223-5 1.5A SOT223-5 1.5A TO263-5 1.5A TO263-5 1.5A TO220-5 3 20074331 Package Marking Supplied As: LJ3B 1000 Units on Tape and Reel LJ3B 2000 Units on Tape and Reel LP3855ES-ADJ Rail LP3855ES-ADJ Tape and Reel LP3855ET-ADJ Rail www.national.com ...
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Block Diagram www.national.com LP3855-ADJ 4 20074329 ...
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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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Symbol Parameter Shutdown Input V Shutdown Threshold SDT T Turn-off delay dOFF T Turn-on delay dON I SD Input Current SD AC Parameters PSRR Ripple Rejection ρ Output Noise Density n(l/f) e Output Noise Voltage n Note 1: Absolute maximum ...
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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 Line Regulation vs Temperature Unless otherwise specified 2.5V, ...
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Noise vs Frequency Load Transient Response ( 100µF,OSCON) IN OUT Load Transient Response ( 10µF,TANTALUM) IN OUT www.national.com Load Transient Response ( 20074361 Load Transient Response ( 20074377 ...
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Load Transient Response 10µF CERAMIC 10µF CERAMIC OUT Application Hints SETTING THE OUTPUT VOLTAGE The output voltage is set using the resistors R1 and R2 (see Typical Application Circuit). The output ...
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Figure 2, which graphs the maximum stable value of ceramic output capacitance as a function of ceramic input capacitance for load currents of 1.5A. FIGURE 2. Maximum Ceramic Output Capacitance vs Ceramic Input Capacitance If the ...
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It should be noted that stability problems have been seen in applications where "vias" internal ground plane were used at the ground points of ...
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The LP3855-ADJ is available in TO-220 and TO-263 pack- ages. The thermal resistance depends on amount of copper area or heat sink, and on air flow. If the maximum allowable ≥ value of θ calculated above is 60 °C/W for ...
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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 13 www.national.com ...
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TO263 5-Lead, Molded, Surface Mount Package (TO263-5) For Order Numbers, refer to the “Ordering Information” section of this document. www.national.com NS Package Number TS5B 14 ...
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SOT223, 5-Lead, Molded, Surface Mount Package (SOT223-5) NS Package Number MP05A For Order Numbers, refer to the “Ordering Information” section of this document. 15 www.national.com ...
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... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...