LP3855ESX-ADJ/NOPB National Semiconductor, LP3855ESX-ADJ/NOPB Datasheet
LP3855ESX-ADJ/NOPB
Specifications of LP3855ESX-ADJ/NOPB
Related parts for LP3855ESX-ADJ/NOPB
LP3855ESX-ADJ/NOPB 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. © 2011 National Semiconductor Corporation LP3855-ADJ Features ■ Ultra low dropout voltage ■ ...
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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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... Package Type Designator is "T" for TO220 package, and "S" for TO263 package. TABLE 1. Package Marking and Ordering Information Output Order Number Voltage ADJ LP3855EMP-ADJ ADJ 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 ...
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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 (Survival) Shutdown Input Voltage (Survival) ...
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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 20074393 Load Transient Response 10µF CERAMIC 10µF CERAMIC OUT 9 20074394 www.national.com ...
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Application Hints SETTING THE OUTPUT VOLTAGE The output voltage is set using the resistors R1 and R2 (see Typical Application Circuit). The output is also dependent on the reference voltage (typically 1.216V) which is measured at the ADJ pin. The ...
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If the maximum load current is 1.5A and a 10µF ceramic input capacitor is used, the regulator will be stable with ceramic output capacitor values from 10µ about 150µF. When calculating the total ceramic output capacitance present in ...
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IC output. Since the bandwidth of the regulator loop is less than 100 kHz, the control circuitry cannot respond to load changes above that frequency. The means the effective out- put impedance of the IC at frequencies above 100 ...
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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 3 shows a curve for the θ of TO-263 ...
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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 14 ...
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TO263 5-Lead, Molded, Surface Mount Package (TO263-5) NS Package Number TS5B For Order Numbers, refer to the “Ordering Information” section of this document. 15 www.national.com ...
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SOT223, 5-Lead, Molded, Surface Mount Package (SOT223-5) For Order Numbers, refer to the “Ordering Information” section of this document. www.national.com NS Package Number MP05A 16 ...
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Notes 17 www.national.com ...
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