18-Dec-07

CL

CD

CD

Supply

Supply 1

CN3 Pin 1

CN3 Pin 4, control connector

PG

+5 V

1 K

CN3 Pin 2

Output

Output

V1

Comm

Return

CN3 Pin 7 Current Share

Output

Sense

Sense

LOAD

Twisted Pair

+

+

-

+

-

-

Supply 2

LOAD

Output

Return

CN3 Pin 7 Current Share

POWER NOT GOOD

POWER GOOD

AC FAIL

AC GOOD

ON/OFF

CN3 Pin 3, control connector

PSU

Return

CN3 Pin 6, control connector (single output)

CN3 Pin 5, control connector (dual output)

Return

CN3 Pin 6, control connector

PSU

CMN

CN3 Pin 8, control connector

CN3 Pin 6, control connector (single output)

CN3 Pin 5, control connector (dual output)

Return

C

CN3 Pin 5, control connector

AC Fail

+12 V

5 V

1 K

CN3 Pin 6, control connector

Return

Application Notes

SMM

Remote Sense

Optional AC Fail

Note:

1. CL is 47 µF electrolytic capacitor.

2. CD is 0.1 µF ceramic capacitor.

Remote On/Off

Current Monitor

Note:

1. Applying <0.3 V or short between

pins 5(6) and 3 turns the output OFF.

2. Applying >4.5 V or open circuit between

pins 5(6) and 3 turns output ON.

Note:

1. 0.5 V to 3.0 V represents 0% to 100% full load.

Parallel Connection with Current Share Option

Single Output Only

Single Output Only

Single Output Only

Power Good

Sink current = 5 mA

Source current = 1 mA

Sink current = 250 mA

Source current = 7 mA

Note: Current share option includes internal blocking diodes.