Technical Specification
100
95
27
24
21
Input:
Output:
Current:
Part no.:
34 - 160 V
3.3 V
53 A
IQ90033HPC53
Power Dissipation (W)
90
Efficiency (%)
18
15
12
9
6
3
0
34 Vin
90 Vin
150 Vin
0
5
10
15
20
25
30
35
40
45
50
55
85
80
75
70
65
60
0
5
10
15
20
25
30
35
40
45
50
55
34 Vin
90 Vin
150 Vin
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.
60
60
50
50
40
40
Iout (A)
30
Iout (A)
400 LFM (2.0 m/s)
30
20
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
20
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
0
25
40
55
70
85
10
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 and 15 µF tantalum
capacitors. Ch 1: Vout (
100 m
V/div), Ch 2: Iout (20 A/div).
Product # IQ90xxxHPCxx
Phone 1-888-567-9596
www.synqor.com
Figure 6:
Output voltage response to step-change in input voltage
(1000 V/ms).
Load cap: 100 µF, electrolytic output capacitance.
Ch 1: Vout (200 mV/div), Ch 2: Vin (50 V/div).
Doc.# 005-0005060 Rev. B
01/29/09
Page 9
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