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LM337L Datasheet

Part Number LM337L
Manufacturers National Semiconductor
Logo National Semiconductor
Description 3-Terminal Adjustable Regulator
Datasheet LM337L DatasheetLM337L Datasheet (PDF)

LM337L 3-Terminal Adjustable Regulator May 1998 LM337L 3-Terminal Adjustable Regulator General Description The LM337L is an adjustable 3-terminal negative voltage regulator capable of supplying 100 mA over a 1.2V to 37V output range. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Furthermore, both line and load regulation are better than standard fixed regulators. Also, the LM337L is packaged in a standard TO-92 transistor package which is e.

  LM337L   LM337L






Part Number LM337L
Manufacturers Texas Instruments
Logo Texas Instruments
Description 3-Terminal Adjustable Regulator
Datasheet LM337L DatasheetLM337L Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM337L SNVS780E – MAY 1998 – REVISED DECEMBER 2016 LM337L 3-Terminal Adjustable Regulator 1 Features •1 Adjustable Output Down to 1.2 V • Ensured 100-mA Output Current • Line Regulation Typically 0.01%/V • Load Regulation Typically 0.1% • Current Limit Constant With Temperature • Eliminates the Need to Stock Many Voltages • Standard 3-Pin Transistor Package • 80-dB Ripple Rejection • Output is Short Circui.

  LM337L   LM337L







3-Terminal Adjustable Regulator

LM337L 3-Terminal Adjustable Regulator May 1998 LM337L 3-Terminal Adjustable Regulator General Description The LM337L is an adjustable 3-terminal negative voltage regulator capable of supplying 100 mA over a 1.2V to 37V output range. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Furthermore, both line and load regulation are better than standard fixed regulators. Also, the LM337L is packaged in a standard TO-92 transistor package which is easy to use. In addition to higher performance than fixed regulators, the LM337L offers full overload protection. Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected. Normally, only a single 1 µF solid tantalum output capacitor is needed unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is needed. A larger output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators. Besides replacing fixed regulators, the LM337L is useful in a wide variety of other applications. Since the regulator is “floating” and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input.


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