Input:
Output:
Current:
Part No.:
18-75 V
3.3 V
50 A
IQ36033HPx50
Technical Specification
100
95
90
85
80
75
70
65
60
28
26
24
22
20
18
16
14
12
10
8
6
18 Vin
36 Vin
75 Vin
18 Vin
36 Vin
75 Vin
4
2
0
0
5
10
15
20
25
30
35
40
45
50
0
5
10
15
20
25
30
35
40
45
50
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
Figure 2: Power dissipation at nominal output voltage vs. load current
minimum, nominal, and maximum input voltage at 25
°C.
for minimum, nominal, and maximum input voltage at 25°C.
60
50
40
30
60
50
40
30
20
20
400 LFM (2.0 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
300 LFM (1.5 m/s)
10
0
10
0
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
0
25
40
55
70
85
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%
Figure 6: Output voltage response to step-change in input voltage
of Iout(max); dI/dt = 0.1 A/µs). Load cap: 1
µF ceramic and 15
µF tantalum
(1000 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1: Vout
capacitors. Ch 1: Vout (100 mV/div), Ch 2: Iout (20 A/div).
(500 mV/div), Ch 2: Vin (20 V/div).
Product # IQ36xxxHPXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005231 Rev. A
05/26/09
Page 9
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