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Software LM2990
SNVS093G – JUNE 1999 – REVISED MAY 2015 LM2990 Negative Low-Dropout Regulator
1 Features 3 Description The LM2990 is a three-terminal, low-dropout, 1-A
negative voltage regulator available with fixed output
voltages of -5 V, -5.2 V, -12 V, and -15 V. 1 Input Voltage: –26 V to –6 V
Fixed Output Voltages: -5 V, -5.2 V, -12 V, and
-15 V
5% Output Accuracy over Entire Operating Range
Output Current in Excess of 1 A
Dropout Voltage Typically 0.6 V at 1-A Load
Low Quiescent Current
Internal Short-Circuit Current Limit
Internal Thermal Shutdown with Hysteresis
Functional Complement to the LM2940 Series 2 Applications Post Switcher Regulator
Local, On-Card Regulation
Battery Operated Equipment
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