QM48T14120-PAA0 POWER ONE, QM48T14120-PAA0 Datasheet - Page 13

• Manufacturer Part Number: QM48T14120-PAA0
• Description: Module DC-DC 1-OUT 12V 14A 168W 8-Pin Quarter-Brick
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of QM48T14120-PAA0

• Package: 8Quarter-Brick
• Output Current: 14 A
• Output Voltage: 12 V
• Input Voltage: 48 V
• Number Of Outputs: 1
• Output Power: 168 W

QM48T/S14120-wxyP (Parallelable version)
Fig. 1 : Available load current vs. ambient air temperature
and airflow rates for converter with B height pins mounted
vertically with air flowing from pin 3 to pin 1, MOSFET
temperature  120 C, Vin = 48 V.
Fig. 3:
converter mounted
pin 1 at a rate of 300 LFM (1.5 m/s) and Ta = 25 C.
ZD-00376 Rev. 1.1.1, 19-Feb-10
1.00
0.90
0.80
0.70
0.60
16
12
8
4
0
20
0
Efficiency vs. load current and input voltage for
30
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
3
horizontally
40
Ambient Temperature [°C]
Load Current [Adc]
6
50
with air flowing from pin 3 to
60
9
70
12
80
72 V
48 V
36 V
QM48T/S14120 DC-DC Converter Data Sheet
90
15
Page 13 of 20
36-75 VDC Input; 12 VDC @ 14 A Output
Fig. 2: Available load current vs. ambient air temperature and
airflow rates for converter with B height pins mounted
horizontally with air flowing from pin 3 to pin 1, MOSFET
temperature  120 C, Vin = 48 V.
Fig. 4: Efficiency vs. load current and ambient temperature
for converter mounted
flowing from pin 3 to pin 1 at a rate of 200 LFM (1.0 m/s).
1.00
0.90
0.80
0.70
0.60
16
12
8
4
0
20
0
30
500 LFM (2.5 m/s)
400 LFM (2.0 m/s)
300 LFM (1.5 m/s)
200 LFM (1.0 m/s)
100 LFM (0.5 m/s)
30 LFM (0.15 m/s)
3
40
Ambient Temperature [°C]
horizontally
Load Current [Adc]
6
50
60
with Vin = 48 V and air
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9
70
12
80
70 C
55 C
40 C
90
15