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
+#
 $CMP LM317L_SO8
 D 100mA 35V Adjustable Linear Regulator, SO-8
 K Adjustable Voltage Regulator 100mA Positive
diff --git a/library/regul.lib b/library/regul.lib
index c61b1d03..1ee4b049 100644
--- a/library/regul.lib
+++ b/library/regul.lib
@@ -828,6 +828,26 @@ X VO 3 300 0 100 L 50 50 1 1 w
 ENDDRAW
 ENDDEF
 #
+# LM2990SX-5.0
+#
+DEF LM2990SX-5.0 U 0 40 Y Y 1 F N
+F0 "U" -310 160 50 H V L CNN
+F1 "LM2990SX-5.0" -120 160 50 H V L CNN
+F2 "" 0 -400 50 H I C CNN
+F3 "" -1250 750 50 H I C CNN
+ALIAS LM2990SX-12 LM2990SX-15
+$FPLIST
+ TO?263*TabPin2*
+ TO?220*
+$ENDFPLIST
+DRAW
+S -300 100 300 -200 0 1 10 f
+X GND 1 0 -300 100 U 50 50 1 1 W
+X IN 2 -400 0 100 R 50 50 1 1 W
+X OUT 3 400 0 100 L 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
 # LM317L_SO8
 #
 DEF LM317L_SO8 U 0 10 Y Y 1 F N