Technical Specification
100
95
90
21
18
Input:
Output:
Current:
Part No.:
18-36V
12 V
18 A
IQ24120HPx18
Power Dissipation (W)
15
12
9
6
3
0
18 Vin
24 Vin
36 Vin
Efficiency (%)
85
80
75
70
65
60
0
2
4
6
8
10
12
14
16
18
18 Vin
24 Vin
36 Vin
0
2
4
6
8
10
12
14
16
18
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.
21
18
15
21
18
15
Iout (A)
9
6
3
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)
12
12
9
6
3
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 and 15 µF tantalum
capacitors. Ch 1: Vout (
500 m
V/div), Ch 2: Iout (5 A/div).
Product # IQ24xxxHPxxx
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 (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A
05/26/09
Page 13
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