diff --git a/library/dc-dc.dcm b/library/dc-dc.dcm
index a2328e66..7748cbbb 100644
--- a/library/dc-dc.dcm
+++ b/library/dc-dc.dcm
@@ -972,10 +972,40 @@ K Low-noise inverting charge pump with both positive and negative LDO's
 F http://www.ti.com/lit/ds/symlink/lm27762.pdf
 $ENDCMP
 #
-$CMP LM2840
+$CMP LM2840X
 D 100mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 550kHz, TSOT-23-5
 K Miniature Step-Down Buck Voltage Regulator
-F http://cdn-reichelt.de/documents/datenblatt/X400/LM284XX_ENG_TDS.pdf
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
+$ENDCMP
+#
+$CMP LM2841X
+D 300mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 550kHz, TSOT-23-5
+K Miniature Step-Down Buck Voltage Regulator
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
+$ENDCMP
+#
+$CMP LM2842X
+D 600mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 550kHz, TSOT-23-5
+K Miniature Step-Down Buck Voltage Regulator
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
+$ENDCMP
+#
+$CMP LM2840Y
+D 100mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 1.25MHz, TSOT-23-5
+K Miniature Step-Down Buck Voltage Regulator
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
+$ENDCMP
+#
+$CMP LM2841Y
+D 300mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 1.25MHz, TSOT-23-5
+K Miniature Step-Down Buck Voltage Regulator
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
+$ENDCMP
+#
+$CMP LM2842Y
+D 600mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 1.25MHz, TSOT-23-5
+K Miniature Step-Down Buck Voltage Regulator
+F http://www.ti.com/lit/ds/symlink/lm2842-q1.pdf
 $ENDCMP
 #
 $CMP LM3407MY
diff --git a/library/dc-dc.lib b/library/dc-dc.lib
index e9509448..4cd307e9 100644
--- a/library/dc-dc.lib
+++ b/library/dc-dc.lib
@@ -837,7 +837,7 @@ F0 "U" -300 250 50 H V L CNN
 F1 "LM2734Y" 0 250 50 H V L CNN
 F2 "TO_SOT_Packages_SMD:TSOT-23-6_MK06A" 25 -250 50 H I L CIN
 F3 "" -100 100 50 H I C CNN
-ALIAS LM2734X LM2840 LM2841 LM2842 LM2840-Q1 LM2841-Q1 LM2842-Q1
+ALIAS LM2734X LM2840X LM2841X LM2842X LM2840Y LM2841Y LM2842Y
 $FPLIST
  TSOT?23*
 $ENDFPLIST