IQ12240QTC04NRS 데이터 시트보기 (PDF) - SynQor Worldwide Headquarters
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IQ12240QTC04NRS Datasheet PDF : 28 Pages
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Technical Specification
90
85
80
75
70
65
60
0
9 Vin
12 Vin
22 Vin
5
10
15
20
25
30
35
40
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for
minimum, nominal, and maximum input voltage at 25°C.
45
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
100 LFM (0.5 m/s)
0
0
25
40
55
70
85
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 pin 3 to pin 1 (nominal input voltage).
Input: 9-22 V
Output: 1.8 V
Current: 40 A
Part No.: IQ12018QTC40
20
16
12
8
4
9 Vin
12 Vin
22 Vin
0
0
5
10
15
20
25
30
35
40
Load Current (A)
Figure 2: Power dissipation at nominal output voltage vs. load current
for minimum, nominal, and maximum input voltage at 25°C.
45
40
35
30
25
20
15
400 LFM (2.0 m/s)
10
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
5
100 LFM (0.5 m/s)
0
0
25
40
55
70
85
Ambient Air Temperature (°C)
Figure 4: Encased converter (with 1/4” heatsink) max. output power derating vs.
ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows
across the converter from pin 3 to pin 1 (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-
50% of Iout(max); dI/dt = 0.2 A/µs). Load cap: 1 µF ceramic and 15 µF tantalum
capacitors. Ch 1: Vout (200 mV/div), Ch 2: Iout (10 A/div).
Figure 6: Output voltage response to step-change in input voltage
(250 V/ms). Load cap: 100 µF, electrolytic output capacitance. Ch 1: Vout
(500 mV/div), Ch 2: Vin (10 V/div).
Product # IQ12xxxQTCxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-IQ12QTX Rev. B
09/23/08
Page 7
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