Vicor DC MegaPAC DC-DC Switcher - Manual (Page 3)

DC MegaPAC Operator’s Manual
Rev. 3/04 Vicor 800-735-6200 Mission Power Solutions (760) 631-6846 (phone) or (760) 631-6972 (fax) Pg. 3
Trim Pin Connection J2
*
The Trim J2 connection should only be made if the Trim option has not
been installed. (A “T” or an “F” in the ConverterPAC part number
means the Trim option is installed; e.g. M5V/40AT.)
* Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals
provided.
* J2-1 provides Trim access.
DC OK (Power Good) Connection J3
*
DC OK is only available as an option and is not always present.
* J3-4 is Vcc In , J3-3 is Power Good, J3-2 is Power Good inverted, and
J3-1 is Signal Ground.
* Use Molex mating receptacle #39-01-0043 with #39-00-0031 terminals
provided.
* Attach terminals to 22-28 AWG stranded wire using Molex tool
#57005-5000.
Input Connections
Input Power J9
*
Input DC power is applied to solderless lugs on J9 using 2 AWG wire.
* Maximum torque is 25 lb-in.
* A fuse or circuit breaker is recommended in the input line.
Interface Connections J10
*
Use 25 pin D-sub connector provided.
* J10-8 to 11 and J10-21 to 24 are Enable/Disable for slots 1-8.
* J10-16, 17 are Vcc, J10-12 and 15 are Signal Ground, J10-18 is AC
Power OK, and J10-5 is General Shutdown.
1
2
3
Sense Connector
1 Trim Pin Access
2 +Sense
3 -Sense
Pin
J2
J10 INTERFACE CONNECTOR IDENTIFICATION
1 Signal Ground
14 No Connection
2 Signal Ground 15 Signal Ground
3 Overtemp. Warning 16 Vcc +5 volt, 300 mA
4 Analog Temperature 17 Vcc +5 volt, 300 mA
5 General Shutdown 18 Input Power OK
6 No Connection 19 Input Power Fail
7 No Connection 20 No Connection
8 Enable/Disable #8 21 Enable/Disable #7
9 Enable/Disable #6 22 Enable/Disable #5
10 Enable/Disable #4 23 Enable/Disable #3
11 Enable/Disable #2 24 Enable/Disable #1
12 Signal Ground 25 Gate Out Slot #8
13 Gate In Slot #1
Amp 25 pin connector #746862-2
plug for flat ribbon cable. Mates with
housing Amp #747548-2 plus slide
latch or similar.
2 3 4 5 6 7 1 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
J10
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)