Technical Specification
100
95
P
LIM
RE
I
RY
NA
Input:
Output:
Current:
Part no.:
9 - 75 V
48 V
3.7 A
IQ32480HPC3H
35
30
Power Dissipation (W)
9 Vin
32 Vin
75 Vin
90
25
20
15
10
5
0
9 Vin
32 Vin
75 Vin
Efficiency (%)
85
80
75
70
65
60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Load Current (A)
Load Current (A)
Figure 1:
Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25
°
C.
Figure 2:
Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25
°
C.
4.0
3.5
3.0
2.5
4.0
3.5
3.0
2.5
Iout (A)
2.0
1.5
1.0
0.5
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)
Iout (A)
2.0
1.5
1.0
0.5
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)
Ambient Air Temperature (°C)
Ambient Air Temperature (°C)
Figure 3:
Encased converter (without heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from input to output (nominal input voltage).
Figure 4:
Encased converter (with 1/2” heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from input to output (nominal input voltage).
Figure 5:
Output voltage response to step-change in load current (50%-75%-
50% of Iout(max); dI/dt = 0.1 A/µs). Load cap:
1
µF ceramic capacitor. Ch 1: Vout
(
2
V/div), Ch 2: Iout (1 A/div).
Product # IQ32xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Figure 6:
Output voltage response to step-change in input voltage
(500 V/ms).
Load cap: 100 µF, electrolytic output capacitance.
Ch 1: Vout (2 V/div), Ch 2: Vin (10 V/div).
Doc.# 005-005H332 Rev. 1
08/13/08
Page 7
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