LP3990MF-3.3 National Semiconductor, LP3990MF-3.3 Datasheet
LP3990MF-3.3
Specifications of LP3990MF-3.3
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LP3990MF-3.3 Summary of contents
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... Voltage Accuracy at Room Temperature n Stable with Ceramic Capacitor n Logic Controlled Enable n No Noise Bypass Capacitor Required n Thermal-Overload and Short-Circuit Protection Typical Application Circuit © 2004 National Semiconductor Corporation Key Specifications n Input Voltage Range n Output Voltage Range n Output Current n Output Stable - Capacitors ...
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Pin Descriptions Pin No micro LLP SMD SOT23 Pad Connection Diagrams www.national.com Packages Symbol Name and Function Enable Input; Enables the Regulator when ≥ 0.95V. ...
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Connection Diagrams (Continued) SOT23 - 5 Package (MF) 20076808 See NS package number MF05A 3 www.national.com ...
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... Units, Tape and Reel Units, Tape and Reel LP3990MF-0.8 LP3990MFX-0.8 LP3990MF-1.2 LP3990MFX-1.2 LP3990MF-1.35 LP3990MFX-1.35 LP3990MF-1.5 LP3990MFX-1.5 LP3990MF-1.8 LP3990MFX-1.8 LP3990MF-2.5 LP3990MFX-2.5 LP3990MF-2.8 LP3990MFX-2.8 LP3990MF-3.3 LP3990MFX-3.3 4 Package Marking Package Marking L085B L086B L150B L087B L088B L090B L091B L092B Package Marking SCCB SCDB SHRB ...
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... Absolute Maximum Ratings (Notes Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage Output Voltage Enable Input Voltage Junction Temperature Lead/Pad Temp. (Note 3) LLP/SOT23 micro SMD Storage Temperature Continuous Power Dissipation ...
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Electrical Characteristics Unless otherwise noted, V =950mV µF. Typical values and limits appearing in normal type apply for T full junction temperature range for operation, −40 to +125˚C. (Note 13) Symbol Parameter e Output noise Voltage (Note 10) ...
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Output Capacitor, Recommended Specifications Note 15: The capacitor tolerance should be 30% or better over temperature. The full operating conditions for the application should be considered when selecting a suitable capacitor to ensure that the minimum value of capacitance is ...
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Typical Performance Characteristics. 0.47 µF Ceramic OUT(NOM) Ground Current Short Circuit Current Power Supply Rejection Ratio www.national.com Unless otherwise specified 1.0V 25˚ 1.5V , Shutdown ...
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Typical Performance Characteristics. 0.47 µF Ceramic 1.0V OUT(NOM) Enable Start-up Time Load Transient Unless otherwise specified 25˚ 1.5V , Shutdown pin is tied OUT(NOM) 20076821 20076825 9 ...
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Application Hints EXTERNAL CAPACITORS In common with most regulators, the LP3990 requires exter- nal capacitors for regulator stability. The LP3990 is specifi- cally designed for portable applications requiring minimum board space and smallest components. These capacitors must be correctly selected ...
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... Characteristics section under V and V IL Micro SMD MOUNTING The micro SMD package requires specific mounting tech- niques, which are detailed in National Semiconductor Appli- cation Note AN-1112. For best results during assembly, alignment ordinals on the PC board may be used to facilitate placement of the micro SMD device. ...
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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted micro SMD, 4 Bump, Package (TLA04) NS Package Number TLA04ALA The dimensions for X1, X2 and X3 are given as 1.003 +/− 0.03mm X2 = 1.283 +/− 0.03mm X3 = ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials 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. ...