diff --git a/library/regul.dcm b/library/regul.dcm
index ac42dd3a..e5e1b19e 100644
--- a/library/regul.dcm
+++ b/library/regul.dcm
@@ -2064,6 +2064,24 @@ K linear regulator ldo fixed positive
 F http://www.ti.com/lit/ds/symlink/lm2936.pdf
 $ENDCMP
 #
+$CMP LM2937xMP
+D 500-mA Low Dropout Regulator, SOT-223
+K Voltage Regulator Low Dropuout Positive LDO
+F http://www.ti.com/lit/ds/symlink/lm2937.pdf
+$ENDCMP
+#
+$CMP LM2937xS
+D 500-mA Low Dropout Regulator, TO-263
+K Voltage Regulator Low Dropuout Positive LDO
+F http://www.ti.com/lit/ds/symlink/lm2937.pdf
+$ENDCMP
+#
+$CMP LM2937xT
+D 500-mA Low Dropout Regulator, TO-220
+K Voltage Regulator Low Dropuout Positive LDO
+F http://www.ti.com/lit/ds/symlink/lm2937.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 488957dc..9665147b 100644
--- a/library/regul.lib
+++ b/library/regul.lib
@@ -1181,7 +1181,7 @@ F0 "U" -150 125 50 H V C CNN
 F1 "LM7805_TO220" 0 125 50 H V L CNN
 F2 "TO_SOT_Packages_THT:TO-220_Vertical" 0 225 50 H I C CIN
 F3 "" 0 -50 50 H I C CNN
-ALIAS LM7806_TO220 LM7808_TO220 LM7809_TO220 LM7810_TO220 LM7812_TO220 LM7815_TO220 LM7818_TO220 LM7824_TO220 LM78M05_TO220 SPX2920U-3.3_TO220 SPX2920U-5.0_TO220 LF15_TO220 LF18_TO220 LF25_TO220 LF33_TO220 LF50_TO220 LF60_TO220 LF80_TO220 LF85_TO220 LF120_TO220 LF47_TO220 LF90_TO220 LM341T-05_TO220 LM341T-12_TO220 LM341T-15_TO220
+ALIAS LM7806_TO220 LM7808_TO220 LM7809_TO220 LM7810_TO220 LM7812_TO220 LM7815_TO220 LM7818_TO220 LM7824_TO220 LM78M05_TO220 SPX2920U-3.3_TO220 SPX2920U-5.0_TO220 LF15_TO220 LF18_TO220 LF25_TO220 LF33_TO220 LF50_TO220 LF60_TO220 LF80_TO220 LF85_TO220 LF120_TO220 LF47_TO220 LF90_TO220 LM341T-05_TO220 LM341T-12_TO220 LM341T-15_TO220 LM2937xT
 $FPLIST
  TO?220*
 $ENDFPLIST
@@ -2370,7 +2370,7 @@ F0 "U" -150 125 50 H V C CNN
 F1 "SPX2920M3-3.3_SOT223" 0 125 50 H V L CNN
 F2 "TO_SOT_Packages_SMD:SOT-223-3Lead_TabPin2" 0 225 50 H I C CIN
 F3 "" 0 -50 50 H I C CNN
-ALIAS SPX2920M3-5.0_SOT223 LT1129-3.3_SOT223 LT1129-5.0_SOT223
+ALIAS SPX2920M3-5.0_SOT223 LT1129-3.3_SOT223 LT1129-5.0_SOT223 LM2937xMP
 $FPLIST
  SOT?223*
 $ENDFPLIST
@@ -2411,9 +2411,9 @@ ENDDEF
 DEF SPX2920T-3.3_TO263 U 0 10 Y Y 1 F N
 F0 "U" -150 125 50 H V C CNN
 F1 "SPX2920T-3.3_TO263" 0 125 50 H V L CNN
-F2 "TO_SOT_Packages_SMD:TO-263-3Lead" 0 225 50 H I C CIN
+F2 "TO_SOT_Packages_SMD:TO-263-3_TabPin2" 0 225 50 H I C CIN
 F3 "" 0 -50 50 H I C CNN
-ALIAS SPX2920T-5.0_TO263
+ALIAS SPX2920T-5.0_TO263 LM2937xS
 $FPLIST
  TO?263*
 $ENDFPLIST