
THERMAL CURVES
FREE AIR
50 LFM
100 LFM
250 LFM
500 LFM
750 LFM
1000 LFM
5 V Output
200
175
150
125
100
75
50
25
0
400
350
300
250
200
150
100
50
0
600
525
450
375
300
225
150
75
0
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (Deg. C)
Ambient Temperature (Deg. C)
10 to 48 V Output
200
175
150
125
100
75
50
25
0
Ambient Temperature (°C)
LU Series
400
350
300
250
200
150
100
50
0
(°C)
Ambient Temperature (Deg. C)
MU, PU Series
600
525
450
375
300
225
150
75
0
Ambient Temperature (°C)
NU, QU, RU Series
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
Ambient Temperature (Deg. C)
Ambient (°C)
Ambient Temperature (Deg. C)
LU Series
(°C)
Ambient Temperature (Deg. C)
MU, PU Series
Ambient Temperature (°C)
NU, QU, RU Series
APPLICATION CIRCUITS
V LINE > 90 (180)Vac
AC
Line
AC Line
Interrupted
AC-OK
BUS-OK
T0 T1
T2
T3
T4
Conditions: Full Load 90 (180)Vac, AC Line
MOD-DIS –
Time Interval
Min
Typ
Max
Units
Notes
MOD-DIS +
Internal
2-Up
T0-T1
0
0.1
1.0
ms
AC-OK –
AC-OK +
BUS-OK –
BUS-OK +
Supervisory
Circuits
(Optocouplers)
and
3-Up
T2-T3
T2-T4
T3-T4
0
5
5
40
–
–
–
–
–
ms
ms
ms
Ride-through time
Hold-up time
AC fail warning time
Power Up and Power Down Sequencing
AC Mains
Earth Ground
L1
L2/N
GND
1-Up
+O
R1
+ Vout
AC Mains Connections
+S
Trim
–S
–O
R2
10K
Vout RTN
Resistor Values for Trimming Standard Output Voltages
Nom. Output Voltage
5V
12 V
15 V
24 V
28 V
48 V Trim Range
R1(k Ω )
R2(k Ω )
0.953
90
15.8
90
22.1
90
41.2
90
48.7
90
90.9
90
+10%, -10%
Output Trimming
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
FlatPAC
Rev. 1.5
Page 4 of 6
Set your site on VICOR at vicorpower.com