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LM337L 데이터시트 - National ->Texas Instruments

부품번호상세내용제조사
LM337L 3-Terminal Adjustable Regulator National-Semiconductor
National ->Texas Instruments National-Semiconductor
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LM337L 데이타시트 PDF : LM337L pdf   
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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. Further more, 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 by passed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.

Features
■ Adjustable output down to 1.2V
■ Guaranteed 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-lead transistor package
■ 80 dB ripple rejection
■ Output is short circuit protected

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