SQM48T25025-NBB0 POWER ONE, SQM48T25025-NBB0 Datasheet - Page 24

• Manufacturer Part Number: SQM48T25025-NBB0
• Description: Module DC-DC 1-OUT 2.5V 25A 62.5W 8-Pin 1/8-Brick
• Manufacturer: POWER ONE
• Type: Step Downr

Specifications of SQM48T25025-NBB0

• Package: 81/8-Brick
• Output Current: 25 A
• Output Voltage: 2.5 V
• Input Voltage: 48 V
• Number Of Outputs: 1
• Output Power: 62.5 W

Electrical Specifications: SQM48T/S25012 (1.2 Volts Out)
Conditions: T
MCD10085 Rev. 1.1, 08-Jul-10
Fig. 1.2V.1: Available load current vs. ambient air temperature
and airflow rates for SQM48T25012 converter with D height
pins mounted vertically with air flowing from pin 3 to pin 1,
MOSFET temperature  120 C, Vin = 48 V.
30
25
20
15
10
5
0
Maximum Input Current
Input Stand-by Current
Input No Load Current (0 load on the output)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point (no load)
Output Regulation
Output Voltage Range
Output Ripple and Noise - 25MHz bandwidth
External Load Capacitance
Output Current Range
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Load Change 20% of Iout Max, di/dt = 0.1 A/μS
Setting Time to 1%
EFFICIENCY
100% Load
INPUT CHARACTERISTICS
DYNAMIC RESPONSE
20
50% Load
A
=25ºC, Airflow=300 LFM (1.5 m/s), Vin=48 Vdc, Vout=1.2 Vdc unless otherwise specified.
30
Over Line
Over Load
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)
PARAMETER
40
Ambient Temperature [°C]
50
di/dt = 5 A/μS
60
70
25 Adc, 1.2 Vdc Out @ 36 Vdc In
Vin = 48 V, converter disabled
Vin = 48 V, converter enabled
25MHz bandwidth
120Hz
-40ºC to 85ºC
Over line, load and temperature
Full load + 10 μF tantalum + 1 μF ceramic
Plus full load (resistive)
Non-latching
Non-latching. Short=10mΩ.
Non-latching
Co = 1 μF ceramic
Co = 450 μF tant. + 1 μF ceramic
80
90
Page 24 of 30
NOTES
SemiQ
Fig. 1.2V.2: Efficiency vs. load current and input voltage for
SQM48T/S25012 converter 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.
0.95
0.90
0.85
0.80
0.75
0.70
0.65
TM
0
Family 25A DC-DC Converters
5
SQM48 Series Data Sheet
1.188
1.182
MIN
26.5
0
10
Load Current [Adc]
TYP
1.200
TBD
140
100
24
±1
±1
30
30
35
80
79
84
3
6
15
20,000
MAX
1.212
1.218
www.power-one.com
20
6.7
50
32
46
±3
±3
25
1
UNITS
mA
mV
25
mAdc
mAdc
Arms
Adc
Vdc
Vdc
Adc
Adc
mV
mV
mV
mV
dB
μF
µs
%
%
A
72 V
48 V
36 V
PK-PK
PK-PK
30