Q48T20050-NBB0 POWER ONE, Q48T20050-NBB0 Datasheet - Page 11

• Manufacturer Part Number: Q48T20050-NBB0
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of Q48T20050-NBB0

• Number Of Outputs: 1
• Output Current: 20A
• Input Voltage: 48V
• Output Voltage: 5V
• Screening Level: Industrial
• Product Length (mm): 36.83mm
• Product Height (mm): 6.52mm
• Product Depth (mm): 58.42mm
• Mounting Style: Through Hole
• Pin Count: 8
• Package / Case: Quarter-Brick
• Lead Free Status / Rohs Status: Not Compliant

NOV 07, 2003 revised to NOV 20, 2006
Fig. 10: Available load current vs. ambient air temperature and
airflow rates for Q48T20050 converter with D height pins
mounted vertically with Vin = 48 V, air flowing from pin 3 to pin
1 and maximum FET temperature ≤ 120°C.
Fig. 12: Available load current vs. ambient temperature and
airflow rates for Q48S20050 converter mounted vertically with
Vin = 48 V, air flowing from pin 3 to pin 1 and maximum FET
temperature ≤ 120°C.
25
20
15
10
25
20
15
10
5
0
5
0
20
20
30
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)
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)
30 LFM (0.15 m/s)
40
40
Ambient Temperature [°C]
Ambient Temperature [°C]
50
50
Q48T20050 and Q48S20050 DC-DC Converter Data Sheet
60
60
70
70
80
80
Page 11 of 15
90
90
36-75 VDC Input; 5.0 VDC @ 20A Output
Fig. 11: Available load current vs. ambient air temperature and
airflow rates for Q48T20050 converter with D height pins
mounted horizontally with Vin = 48 V, air flowing from pin 3 to
pin 1 and maximum FET temperature ≤ 120°C.
Fig. 13: Available load current vs. ambient temperature and
airflow rates for Q48S20050 converter mounted horizontally
with Vin = 48 V, air flowing from pin 3 to pin 1 and maximum
FET temperature ≤ 120°C.
25
20
15
10
25
20
15
10
5
0
5
0
20
20
30
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)
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)
30 LFM (0.15 m/s)
40
40
Ambient Temperature [°C]
Ambient Temperature [°C]
50
50
60
60
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70
70
80
80
90
90