The LM series of adjustable 3-terminal positive voltage ative complement, see LM series data sheet. LM/LMA/LM Package Options. Part. Datasheets, LM/N Datasheet. Design Resources, Development Tool Selector. Featured Product, LMSeries, Adjustable, Three-Pin Positive Voltage. LMH Datasheet, LM National Semiconductor 3-Terminal Adjustable Voltage Regulator Datasheet.

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The LM is designed to compensate for these fluctuations internally, making such measures unnecessary. LM can be used as a precision current regulator.

National Semiconductor

Views Read Edit View history. Accidenti come scotta questo transistor. They are exceptionally easy to use. An optional output ca.

LMH/NOPB from Texas Instruments

Failure to do this may cause the circuit to short. Page 18 Current Regulator 1. Because some quiescent current flows from the adjustment pin daasheet the device, an error term is added:. Layout Top Side Note: The LM series of adjustable 3-terminal positive voltage. Included on the chip are current limit, thermal overload.


LMH National Semiconductor, LMH Datasheet

Retrieved catasheet ” https: The LM is a popular adjustable positive linear voltage regulator. The LM negative complement to the LM regulates voltages below, rather than above, the reference. Full output current not available at high input-output voltages. The device can be configured to regulate the current to a load, rather than the voltage, by replacing the low-side resistor of the divider with the load itself.

Archived from the original PDF on 18 April Download datasheet 2Mb Share this page.

Maximum Allowable Power Dissipation vs. Page 27 Notes 27 www. Archived from the original PDF on 31 March However, the 78xx device’s quiescent current is substantially higher and less stable.

In addition to higher performance than fixed regulators, the. For large voltage differences, the energy lost as heat can ultimately be greater than that provided to the circuit.

In other projects Wikimedia Commons. Like the LM, each datasheft the 78xx regulators is designed to adjust the output voltage until it is some fixed voltage above the adjustment pin which in this case is labelled ” ground “. REF The reference voltage is impressed across program resistor R1 and, since the voltage is constant, a constant current I By using this site, you agree to the Terms of Use and Privacy Policy.


For more National Semiconductor product information and proven design tools, visit the following Web satasheet at: Besides replacing fixed regulators, the LM is useful in a. Wikimedia Commons has media related to LM and Voltage regulator circuits. In use an LM commonly requires a heat sink to prevent the operating temperature rising too high. This page was last edited on 6 Julyat Also, it makes an especially simple adjustable switching reg.

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LM117H – LM117 3-Terminal Adjustable Voltage Regulator Datasheet

All other trademarks are the property of their respective owners. The guaranteed specifications apply only for the test conditions listed.

Output capacitors in the range. Further, both line and load regulation are better than. LMH datasheet and specification datasheet.