diff --git a/library/dc-dc.dcm b/library/dc-dc.dcm
index ca44423d..1f4a7f8e 100644
--- a/library/dc-dc.dcm
+++ b/library/dc-dc.dcm
@@ -778,11 +778,17 @@ F http://cds.linear.com/docs/en/datasheet/3886fa.pdf
 $ENDCMP
 #
 $CMP LTC3890
-D 60V dual 2-phase synchronous step-down DC/DC controller
+D 60V dual 2-phase synchronous step-down DC/DC controller in QFN-32 package
 K buck regulator power two outputs 
 F http://cds.linear.com/docs/en/datasheet/3890fc.pdf
 $ENDCMP
 #
+$CMP LTC3890-1
+D 60V dual 2-phase synchronous step-down DC/DC controller in SSOP-28 package
+K buck regulator power two outputs 
+F http://cds.linear.com/docs/en/datasheet/38901fb.pdf
+$ENDCMP
+#
 $CMP MAX5035AASA
 D 3.3V 1A, High-Efficiency Step-Down DC-DC Converter, Vin 76V, High Temperature Grade, SO8
 K 3.3V 1A Step-Down Converter 76V Hi-Temp
diff --git a/library/dc-dc.lib b/library/dc-dc.lib
index 88e6d75e..75c2b5da 100644
--- a/library/dc-dc.lib
+++ b/library/dc-dc.lib
@@ -1075,6 +1075,50 @@ X SS1 29 -300 -1600 100 U 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# LTC3890-1
+#
+DEF LTC3890-1 U 0 40 Y Y 1 F N
+F0 "U" -600 250 50 H V L CNN
+F1 "LTC3890-1" 700 250 50 H V R CNN
+F2 "" 3150 -600 50 H V C CNN
+F3 "http://cds.linear.com/docs/en/datasheet/38901fb.pdf" 0 550 50 H I C CNN
+F4 "Linear Technology" 0 650 50 H I C CNN "Manufacturer"
+$FPLIST
+ SSOP*
+$ENDFPLIST
+DRAW
+S -600 200 600 -1500 0 1 15 f
+X ITH1 1 -700 -1300 100 R 50 50 1 1 O
+X VFB1 2 -700 -600 100 R 50 50 1 1 I
+X SENSE1+ 3 -700 -400 100 R 50 50 1 1 I
+X SENSE1- 4 -700 -500 100 R 50 50 1 1 I
+X FREQ 5 -700 -1000 100 R 50 50 1 1 I
+X PLL/MODE 6 700 -1100 100 L 50 50 1 1 I
+X SGND 7 -100 -1600 100 U 50 50 1 1 W
+X RUN1 8 -700 -700 100 R 50 50 1 1 I
+X RUN2 9 700 -700 100 L 50 50 1 1 I
+X SENSE2- 10 700 -500 100 L 50 50 1 1 I
+X EXTVcc 20 200 300 100 D 50 50 1 1 W
+X SENSE2+ 11 700 -400 100 L 50 50 1 1 I
+X PGND 21 100 -1600 100 U 50 50 1 1 W
+X VFB2 12 700 -600 100 L 50 50 1 1 I
+X Vin 22 -100 300 100 D 50 50 1 1 W
+X ITH2 13 700 -1300 100 L 50 50 1 1 O
+X BG1 23 -700 -200 100 R 50 50 1 1 O
+X SS2 14 300 -1600 100 U 50 50 1 1 I
+X BOOST1 24 -700 0 100 R 50 50 1 1 O
+X TG2 15 700 100 100 L 50 50 1 1 O
+X SW1 25 -700 -100 100 R 50 50 1 1 O
+X SW2 16 700 -100 100 L 50 50 1 1 O
+X TG1 26 -700 100 100 R 50 50 1 1 O
+X BOOST2 17 700 0 100 L 50 50 1 1 O
+X PGOOD1 27 -700 -800 100 R 50 50 1 1 O
+X BG2 18 700 -200 100 L 50 50 1 1 O
+X SS1 28 -300 -1600 100 U 50 50 1 1 I
+X INTVcc 19 100 300 100 D 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
 # MAX5035AUPA
 #
 DEF MAX5035AUPA U 0 40 Y Y 1 F N