Q48T20050-NBB0 POWER ONE, Q48T20050-NBB0 Datasheet - Page 14

• 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. 22: Output voltage ripple (20 mV/div.) at full rated load
current into a resistive load with Co = 10 μF tantalum + 1uF ce-
ramic and Vin = 48 V. Time scale: 1 μs/div.
Fig. 24: Input reflected ripple current, i
ured at input terminals at full rated load current and Vin = 48 V.
Refer to Fig. 23 for test setup. Time scale: 1 μs/div.
Q48T20050 and Q48S20050 DC-DC Converter Data Sheet
c
(100 mA/div), meas-
Page 14 of 15
36-75 VDC Input; 5.0 VDC @ 20A Output
Fig. 23: Test setup for measuring input reflected ripple cur-
rents,
Fig. 25: Input reflected ripple current, i
through 10 μH at the source at full rated load current and Vin =
48 V. Refer to Fig. 23 for test setup. Time scale: 1μs/div.
Vsource
i
inductance
c
i
source
10 μH
S
and
i
s
.
electrolytic
capacitor
ESR <1
33 μF
i
C
Q
Converter
DC/DC
TM
Family
s
www.power-one.com
(10 mA/div), measured
capacitor
ceramic
1 μF
Vout