Q48T20050-NBB0 POWER ONE, Q48T20050-NBB0 Datasheet - Page 12

• 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. 14: Efficiency vs. load current and input voltage for con-
verter mounted vertically with air flowing from pin 3 to pin 1 at a
rate of 300 LFM (1.5 m/s) and Ta = 25°C.
Fig. 16: Efficiency vs. load current and input voltage for con-
verter mounted horizontally with air flowing from pin 3 to pin 1
at a rate of 300 LFM (1.5 m/s) and Ta = 25°C.
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0
0
5
5
Load Current [Adc]
Load Current [Adc]
10
10
Q48T20050 and Q48S20050 DC-DC Converter Data Sheet
15
15
20
20
72 V
48 V
36 V
72 V
48 V
36 V
Page 12 of 15
25
25
36-75 VDC Input; 5.0 VDC @ 20A Output
Fig. 15: Efficiency vs. load current and ambient temperature
for converter mounted vertically with Vin = 48 V and air flowing
from pin 3 to pin 1 at a rate of 200 LFM (1.0 m/s).
Fig. 17: Efficiency vs. load current and ambient temperature
for converter mounted horizontally with Vin = 48 V and air flow-
ing from pin 3 to pin 1 at a rate of 200 LFM (1.0 m/s).
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0
0
5
5
Load Current [Adc]
Load Current [Adc]
10
10
15
15
www.power-one.com
20
20
70 C
55 C
40 C
70 C
55 C
40 C
25
25