LP3985ITLX-2.9 National Semiconductor, LP3985ITLX-2.9 Datasheet

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... National Semiconductor Corporation 2.6V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V. 3.1V, 3.2V, 3.3V, 4.7V, 4.75V, 4.8V and 5.0V output voltages. For other output volt- age options between 2.5V to 5.0V or for a dual LP3985, please contact National Semiconductor sales office. ± 30% ceramic or Key Specifications n 2 ...

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Block Diagram Pin Description Name V EN GND V OUT V IN BYPASS * The pin numbering scheme for the micro SMD package was revised in April 2002 to conform to JEDEC standard. Only the pin numbers were revised. No ...

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... LP3985IBPX-5.0 LP3985 Supplied as 3000 Units, Tape and Reel LP3985IBLX-2.5 LP3985IBLX-2.6 LP3985IBLX-2.7 LP3985IBLX-2.8 LP3985IBLX-285 LP3985IBLX-2.9 LP3985IBLX-3.0 LP3985IBLX-3.1 LP3985IBLX-3.2 LP3985IBLX-3.3 LP3985IBLX-4.8 LP3985IBLX-5.0 LP3985 Supplied as 3000 Units, Tape and Reel LP3985ITLX-2.5 LP3985ITLX-2.6 LP3985ITLX-2.7 LP3985ITLX-2.8 LP3985ITLX-285 LP3985ITLX-2.9 LP3985ITLX-3.0 LP3985ITLX-3.1 LP3985ITLX-3.2 LP3985ITLX-3.3 LP3985ITLX-4.75 LP3985ITLX-4.8 LP3985ITLX-5.0 www.national.com ...

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Ordering Information Output Grade Voltage (V) 2.5 STD 2.6 STD 2.7 STD 2.8 STD 2.85 STD 2.9 STD 3.0 STD 3.1 STD 3.2 STD 3.3 STD 4.7 STD 5.0 STD www.national.com (Continued) For SOT Package LP3985 Supplied as 1000 LP3985 ...

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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 OUT Junction Temperature Storage Temperature Lead Temp. Pad Temp. (Note 3) Maximum Power Dissipation SOT23-5 (Note 4) micro SMD (Note 4) ESD Rating(Note 5) Human Body Model ...

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... Note 2: All voltages are with respect to the potential at the GND pin. Note 3: Additional information on lead temperature and pad temperature can be found in National Semiconductor Application Note (AN-1112). Note 4: The Absolute Maximum power dissipation depends on the ambient temperature and can be calculated using the formula the ambient temperature, and θ ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Output Voltage Change vs Temperature Ground Current vs Load Current 10136408 FIGURE 1. Line Transient Input Test Signal FIGURE 2. PSRR Input Test Signal ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Ground Current vs V Short Circuit Current (micro SMD) Short Circuit Current (SOT) www.national.com Unless otherwise specified 25˚C, Enable pin is tied ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Short Circuit Current (SOT) Short Circuit Current (micro SMD) Output Noise Spectral Density Unless otherwise specified 25˚C, Enable pin is tied to ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Ripple Rejection ( Start Up Time ( Start Up Time ( www.national.com Unless otherwise specified, ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Start Up Time ( OUT Line Transient Response Load Transient Response (V Unless otherwise specified 25˚C, Enable pin is ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Load Transient Response (V Enable Response ( Enable Response ( www.national.com Unless otherwise specified 25˚C, Enable ...

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Typical Performance Characteristics C = 0.01 µ 0.2V, T BYPASS IN OUT Output Impedance (V IN Application Hints EXTERNAL CAPACITORS Like any low-dropout regulator, the LP3985 requires external capacitors for regulator stability. The LP3985 is specifically ...

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... SMD MOUNTING The micro SMD package requires specific mounting tech- niques which are detailed in National Semiconductor Appli- cation Note (AN-1112). Referring to the section Surface Mount Technology (SMT) Assembly Considerations, it should be noted that the pad style which must be used with the 5 pin package is NSMD (non-solder mask defined) type ...

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Physical Dimensions inches (millimeters) unless otherwise noted The dimensions for X1, X2 and X3 are as given: 5-Lead Small Outline Package (MF) NS Package Number MF05A micro SMD, 5 Bump, Package (BPA05) NS Package Number BPA05DNC X1 = 0.853 +/− ...

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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) micro SMD, 5 Bump, Package (BLA05) NS Package Number BLA05AEC The dimensions for X1, X2 and X3 are as given 1.006 +/- 0.03mm X2 = 1.463 +/- 0.03mm X3 ...

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... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...