Vicor Mini MegaPAC AC-DC Switcher - Manual (Page 11)

UG:110 vicorpower.com Applications Engineering: 800 927.9474 Page 11
Mini MegaPAC “Quick Install” Instructions (Cont.)
Sense Connector J2:
n Sense connections do not have to be made if the Local Sense option has been ordered.
n Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals provided.
n J2-2 is the +Sense and J2-3 is the -Sense.
n Attach terminals to 22-24 AWG twisted pair wire using Molex tool #11-01-0118.
n Attach opposite ends of Sense lines to point where regulation is desired.
n Verify that Sense lines are not cross-connected before applying input power.
Sense Connections on DualPACs:
n Sense connections do not have to be made if the Local Sense option has been ordered.
n Sense connections are available on the J2 connector or the J1A and J1B connectors.
Either can be used.
n If using J2 connector, see more information on Page 9.
n For J1A and J1B, Pin 3 is the +Sense and Pin 6 is the -Sense.
n Use Molex mating receptacle #39-01-2060 with #39-00-0039 terminals provided.
n Attach terminals to 18-24 AWG twisted pair wire using Molex tool #11-01-0197.
n Verify that Sense lines are not cross-connected before applying input power.
Trim Pin Connection J2
n The Trim J2 connection should only be made if the Trim option has not been
installed. (A “T” or “F” in the ConverterPAC part number means the
Trim option is installed; e.g. M5V/40AT.)
n Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals provided.
n Attach terminals to 22-24 AWG stranded wire using Molex tool #11-01-0118.
n J2-1 provides Trim access.
DC OK (Power Good) Connection J3
n DC OK is available as an option and is only present when requested.
n J3-4 is Vcc In , J3-3 is Power Good, J3-2 is Power Good inverted
and J3-1 is Signal Ground.
n Use Molex mating receptacle #39-01-0043 with #39-00-0031 terminals provided.
n Attach terminals to 22-28 AWG stranded wire using Molex tool #57005-5000.
6 -REMOTE SENSE
3 +REMOTE SENSE
2 & 5 -V OUT
1 & 4 +V OUT
PIN J1B
+
4 6
-
5
+ +RS -
-RS
3 2 1
J1A
3 2 1
4 6
+RS
-RS +
+ -
5
-
DualPAC Output Connector
Sense Connector
1
2
3
Sense Connector
J2-1 Trim Pin Access
J2-2 +Sense
J2-3 -Sense
Pin J2
1
2
3
Sense Connector
J2-1 Trim Pin Access
J2-2 +Sense
J2-3 -Sense
Pin J2
4
3
2
1
J3
J3-4 Vcc
J3-3 Power Good
J3-2 Power Good Inverted
J3-1 Signal Ground
Pin
DC OK (Power Good)
Trim Pin Connector
DC OK (Power Good)