Vicor FlatPAC Family 50 to 600 Watt AC-DC Switchers U-Series - Manual (Page 3)

3
+Sense and –Sense must be connected locally or remotely (shown).
RESISTOR VALUES FOR TRIMMING STANDARD OUTPUT VOLTAGES
Nominal
5 V 12 V 15 V 24 V 28 V 48 V Trim Range
Output Voltage
R1(KΩ) .953 15.8 22.1 41.2 48.7 90.9 +10%, -10%
R2(KΩ) 90 90 90 90 90 90 +10%, -10%
V
LINE
> 90 (180)Vac
AC Line
Interrupted
AC
Line
AC OK
BUS OK
T0 T1 T2 T3 T4
Conditions: Full Load 90 (180)Vac, AC Line
Timing Diagram—Status Signals (2-up and 3-up models only)
Output Sense and Trim (All models with VI-200s)
Load
+
–
Battery
Charger
External
Control
Functions
Programmable Current
or Voltage Source
12–48V
Battery
+
–
+Out
V
TRIM
I
TRIM
I
MON
–Out
External
Control
Functions
+Out
V
TRIM
I
TRIM
I
MON
–Out
Typical Applications (Models with BatMods only)
Time Interval Min Typ Max Units Notes
T1-T0 0 0.1 1.0 ms
T3-T2 0 – – ms Ride-through time
T4-T2 5 – – ms Hold-up time
T4-T3 5 – – ms AC fail warning time
+Out
+Sense
Trim
–Sense
–Out
+ V
OUT
V
OUT
RTN
R2
R1
10K