Q48T20050-NBB0 POWER ONE, Q48T20050-NBB0 Datasheet - Page 12
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Q48T20050-NBB0
Manufacturer Part Number
Q48T20050-NBB0
Description
Manufacturer
POWER ONE
Type
Step Downr
Datasheet
1.Q48T20050-NBB0.pdf
(15 pages)
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