diff --git a/library/regul.dcm b/library/regul.dcm
index 4f0a0a84..974ce353 100644
--- a/library/regul.dcm
+++ b/library/regul.dcm
@@ -2082,6 +2082,24 @@ K Voltage Regulator Low Dropuout Positive LDO
 F http://www.ti.com/lit/ds/symlink/lm2937.pdf
 $ENDCMP
 #
+$CMP LM2990SX-12
+D Three termianl low-dropout 1A negative voltage regulator, Input -6V to -26V, Out -12V
+K Negative voltage regulator
+F http://www.ti.com/lit/ds/symlink/lm2990.pdf
+$ENDCMP
+#
+$CMP LM2990SX-15
+D Three termianl low-dropout 1A negative voltage regulator, Input -6V to -26V, Out -15V
+K Negative voltage regulator
+F http://www.ti.com/lit/ds/symlink/lm2990.pdf
+$ENDCMP
+#
+$CMP LM2990SX-5.0
+D Three termianl low-dropout 1A negative voltage regulator, Input -6V to -26V, Out -5V
+K Negative voltage regulator
+F http://www.ti.com/lit/ds/symlink/lm2990.pdf
+$ENDCMP
+#
 $CMP LM317L_SO8
 D 100mA 35V Adjustable Linear Regulator, SO-8
 K Adjustable Voltage Regulator 100mA Positive