Technical Specification
12.20
12.15
12.10
12.05
V
OUT1
(-V)
12.00
11.95
11.90
11.85
11.80
11.75
11.70
60/0
48/12
Input:
Outputs:
Power:
Package:
12.20
12.20
12.15
12.10
12.05
V
OUT1
(-V)
V
OUT2
(V)
12.00
11.95
11.90
11.85
11.90
11.80
12.05
12.00
11.95
35-75V
+12V & -12V
60W
Quarter-brick
12.20
Input voltage has virtually no
effect on cross regulation
12.15
12.10
Input voltage has virtually no
effect on cross regulation
12.15
12.10
V
OUT2
(V)
12.05
12.00
11.95
11.90
-12V_48Vin
+12V_48Vin
36/24
24/36
12/48
11.75
11.70
0/60
11.85
11.80
42/3
35/10
-12V_48Vin
+12V_48Vin
25/20
20/25
10/35
11.85
11.80
3/42
P
OUT1
/ P
OUT2
(W)
P
OUT1
/ P
OUT2
(W)
Figure 7:
Load regulation vs. load current with power fixed at full load
(60W) and load currents split as shown between -12V and +12V out-
puts, at nominal input voltage.
12.20
12.15
12.10
V
OUT1
(-V)
12.05
12.00
11.95
11.90
11.85
11.80
12.0
24.0
36.0
48.0
Figure 8:
Load regulation vs. load current with power fixed at 75%
load (45W) and load currents split as shown between -12V and +12V
outputs, at nominal input voltage.
12.20
12.15
12.10
V
OUT1
(-V)
12.20
12.20
Input voltage has virtually no
effect on cross regulation
12.15
12.10
V
OUT2
(V)
12.05
12.00
11.95
11.90
Input voltage has virtually no
effect on cross regulation
12.15
12.10
V
OUT2
(V)
12.05
12.00
11.95
11.90
12.05
12.00
11.95
11.90
11.85
11.80
12
24
36
48
60
-12V_48Vin
+12V_48Vin
Total Output Power (W)
11.85
11.80
60.0
-12V_48Vin
+12V_48Vin
Total Output Power (W)
11.85
11.80
Figure 9:
Load regulation vs. output power from 12W load to full load
with 75% load on -12V output and 25% load on +12V output at nomi-
nal input voltage.
Figure 10:
. Load regulation vs. output power from 12W load to full
load with 25% load on -12V output and 75% load on +12V output at
nominal input voltage.
5.0
4.5
4.0
3.5
I
out
(A)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
25
40
55
70
85
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0 LFM (0 m/s)
Ambient Air Temperature (
o
C)
Semiconductor junction temperature is
within 1°C of surface temperature
Figure 11
:
Maximum output power derating curves vs. ambient air tem-
perature for airflow rates of 0 to 400 LFM, air flowing from pin 1 to pin
3. Full load (5A) on -12V output and no load on +12V output.
Product # DQ61212QMA06
Phone 1-888-567-9596
Figure 12
:
Thermal plot of converter at 5 amp load on -12V output and
no load on +12V output with 55
°
C air flowing at 200 LFM. Air flow
across the converter is from pin 1 to pin 3 (nominal input voltage)
Doc.# 005-2DQ612E Rev. C
01/11/06
Page 6
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