LP3990TLX-1.5/NOPB National Semiconductor, LP3990TLX-1.5/NOPB Datasheet
LP3990TLX-1.5/NOPB
Specifications of LP3990TLX-1.5/NOPB
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LP3990TLX-1.5/NOPB Summary of contents
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... Stable with Ceramic Capacitor ■ Logic Controlled Enable ■ No Noise Bypass Capacitor Required ■ Thermal-Overload and Short-Circuit Protection Typical Application Circuit © 2008 National Semiconductor Corporation Key Specifications ■ Input Voltage Range ■ Output Voltage Range ■ Output Current ■ ...
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Pin Descriptions Pin No LLP micro SOT23-5 SMD Pad Connection Diagrams www.national.com Packages Symbol Name and Function V Enable Input; Enables the Regulator when EN ...
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SOT23 - 5 Package (MF) 20076808 See NS package number MF05A 3 www.national.com ...
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... LP3990 Supplied as 3000 Units, Tape and Reel LP3990MF-1.2 LP3990MF-1.5 LP3990MF-1.8 LP3990MF-2.5 LP3990MF-2.8 LP3990MF-3.3 4 Package Marking Tape and Reel LP3990TLX-0.8 LP3990TLX-1.2 LP3990TLX-1.35 LP3990TLX-1.5 LP3990TLX-1.8 LP3990TLX-2.5 LP3990TLX-2.8 Package Marking Tape and Reel LP3990SDX-0.8 L085B LP3990SDX-1.2 L086B LP3990SDX-1.35 L150B LP3990SDX-1.5 L087B LP3990SDX-1.8 L088B LP3990SDX-2.5 L090B LP3990SDX-2 ...
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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 -0 Enable Input Voltage -0 Junction Temperature Lead/Pad Temp. (Note 3) LLP/SOT23 micro SMD Storage Temperature Continuous Power Dissipation ...
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Symbol Parameter e Output noise Voltage (Note 10 Thermal Shutdown SHUTDOWN Enable Control Characteristics I Maximum Input Current Input (Note 12 Low Input Threshold IL V High Input Threshold IH Timing Characteristics T ...
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Typical Performance Characteristics. µF Ceramic 1.0V OUT(NOM) A Output Voltage Change vs Temperature Ground Current LOAD Ground Current LOAD Unless otherwise specified ...
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Short Circuit Current Power Supply Rejection Ratio Enable Start-up Time www.national.com 20076816 Power Supply Rejection Ratio 20076819 Enable Start-up Time 20076821 8 Line transient 20076817 20076820 20076822 ...
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Load Transient 20076825 Noise Density 9 20076828 www.national.com ...
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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 TLA04AMA The dimensions for X1, X2 and X3 are given as 1.014 +/− 0.03mm X2 = 1.294 +/− 0.03mm X3 = ...
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LLP, 6 Lead, Package (SOT23 Land) NS Package Number SDE06A SOT23 - 5 Package NS Package Number MF05A 13 www.national.com ...
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