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Ac mains connections supervisory connections – Vicor FlatPAC Family 50 to 600 Watt AC-DC Switchers A-Series User Manual

Page 2

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Application Notes

2

MOD-DIS Input. Apply a current of 1–30 mA to disable output.

Forward voltage drop of internal opto diode is 1.65 V max. @

30 mA max.

AC-OK and BUS-OK Status Outputs. Output transistors saturated

if OK. Vce sat. = < 0.4 V @ 1.5 mA. Maximum voltage is 70 Vdc.

30 mA max.

Disable

MOD DIS +

MOD DIS –

V

+

AC OK –

AC OK +

BUS OK –

BUS OK +

Status

1.5mA max.

V

+

r

r

AC Mains Connections

Supervisory Connections

(2-up and 3-up models)

AC Mains

Earth Ground

MOD DIS –
MOD DIS +
AC OK –
AC OK +
BUS OK –
BUS OK +

Internal
Supervisory
Circuits
(Optocouplers)

Autoranging models:
Do not connect
Manual strap models:
Connect for 115 Vac
Open for 230 Vac

ST2

ST1

L2/N

L1

GND

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