LM140L PDF Datasheet
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Description
This is 3-Terminal Positive Regulators. LM140L LM340L Series 3-Terminal Positive Regulators
February 1995
LM140L LM340L Series 3-Terminal Positive Regulators
General Description
The LM140L series of three terminal positive regulators is available with several fixed output voltages making them useful in a wide range of applications The LM140LA is an improved version of the LM78LXX series with a tighter output voltage tolerance (specified over the full military temperature range) higher ripple rejection better regulation and lower quiescent current The LM140LA regulators have g 2% VOUT specification 0 04% V line regulation and 0 01% mA load regulation When used as a zener diode resistor combination replacement the LM140LA usually results in an effective output impedance improvement of two orders of magnitude and lower quiescent current These regulators can provide local on card regulation eliminating the distribution problems associated with single point regulation The voltages available allow the LM140LA to be used in logic.