Q48T20050-NBB0 POWER ONE, Q48T20050-NBB0 Datasheet - Page 2

• 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

Electrical Specifications
Conditions: T
NOV 07, 2003 revised to NOV 20, 2006
Additional Notes:
1.
should not exceed 10% of V
Output Voltage Adjust /TRIM section.
Input Voltage
Operating Ambient Temperature
Storage Temperature
INPUT CHARACTERISTICS
Operating Input Voltage Range
Input Under Voltage Lockout
Input Voltage Transient
OUTPUT CHARACTERISTICS
External Load Capacitance
Output Current Range
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
ISOLATION CHARACTERISTICS
I/O Isolation
Isolation Capacitance
Isolation Resistance
FEATURE CHARACTERISTICS
Switching Frequency
Output Voltage Trim Range
Remote Sense Compensation
Output Over-Voltage Protection
Over-Temperature Shutdown (PCB)
Auto-Restart Period
Turn-On Time
ON/OFF Control (Positive Logic)
ON/OFF Control (Negative Logic)
ABSOLUTE MAXIMUM RATINGS
Vout can be increased up to 10% via the sense leads or up to 10% via the trim function, however total output voltage trim from all sources
A
=25ºC, Airflow=300 LFM (1.5 m/s), Vin=48 Vdc, unless otherwise specified.
Turn-on Threshold
Turn-off Threshold
Converter Off
Converter On
Converter Off
Converter On
PARAMETER
OUT
1
(
1
NOM
), in order to insure specified operation of over-voltage protection circuitry. See further discussion at end of
Q48T20050 and Q48S20050 DC-DC Converter Data Sheet
Continuous
Non-latching
100 ms
Plus full load (resistive)
Non-latching
Non-latching. Short=10mΩ.
Non-latching
Use trim equations on Page 7
Percent of V
Non-latching
Non-latching
Applies to all protection features
Page 2 of 15
OUT
36-75 VDC Input; 5.0 VDC @ 20A Output
(
NOTES
NOM
)
MIN
2000
117
-40
-55
-20
-20
2.4
2.4
-20
36
33
31
21
10
0
0
TYP
23.5
200
415
122
125
100
48
34
32
30
3
www.power-one.com
10,000
MAX
125
100
+10
+10
127
6.7
0.8
0.8
80
85
75
35
33
20
26
45
20
20
UNITS
Arms
Vdc
Vdc
Vdc
Vdc
Adc
Vdc
kHz
Vdc
Vdc
Vdc
Adc
MΩ
Vdc
Vdc
ms
ms
°C
°C
μF
ρF
°C
%
%
%
A