SQ48T10050-NBC0 POWER ONE, SQ48T10050-NBC0 Datasheet - Page 43
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SQ48T10050-NBC0
Manufacturer Part Number
SQ48T10050-NBC0
Description
Manufacturer
POWER ONE
Type
Step Downr
Datasheet
1.SQ48T10050-NBC0.pdf
(64 pages)
Specifications of SQ48T10050-NBC0
Output Power
50W
Output Current
10A
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
Number Of Outputs
1
Package / Case
1/8-Brick
Lead Free Status / RoHS Status
Not Compliant
Electrical Specifications: SQ48T/S15018 (1.8 Volt Out)
Conditions: T
SEP 14, 2005 revised to NOV 06, 2006
1
Input Characteristics
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
Over Line
Over Load
Output Voltage Range
Output Ripple and Noise - 25 MHz
bandwidth
External Load Capacitance
Output Current Range
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Dynamic Response
Load Change 25% of Iout Max, di/dt = 0.1 A/μs Co = 1 μF ceramic
Settling Time to 1%
Efficiency
100% Load
-40 ºC to 85 ºC.
Fig. 1.8V.1:
temperature and airflow rates for SQ48T15018 converter
with D height pins mounted vertically with Vin = 48 V, air
flowing from pin 3 to pin 1, and maximum FET
temperature ≤ 120 °C.
50% Load
20
15
10
5
0
20
A
= 25 ºC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Vout = 1.8 VDC, unless otherwise specified.
30
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)
Available load current vs. ambient air
Parameter
40
Ambient Temperature [°C]
50
di/dt = 5 A/μs
60
70
15 ADC, 1.8 VDC Out @ 36 VDC In
Vin = 48 V, converter disabled
Vin = 48 V, converter enabled
25 MHz bandwidth
120 Hz
Over line, load and temperature
Full load + 10 μF tantalum + 1 μF
ceramic
Plus full load (resistive)
Non-latching
Non-latching, Short =10 mΩ.
Non-latching
Co = 450 μF POS + 1 μF ceramic
80
Page 43 of 64
90
Notes
36-75 VDC Input; 1.0-12 VDC Output
Fig. 1.8V.2: Available load current vs. ambient air
temperature and airflow rates for SQ48T15018 converter
with D height pins mounted horizontally with Vin = 48 V,
air flowing from pin 3 to pin 1, and maximum FET
temperature ≤ 120 °C.
20
15
10
5
0
SQ48 DC-DC Series Data Sheet
20
1
30
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)
40
1.782
1.773
15.75
Min
Ambient Temperature [°C]
0
50
1.800
Typ
TBD
85.5
86.0
100
100
2.6
29
±2
±2
30
18
30
80
6
60
www.power-one.com
15,000
1.818
1.827
Max
0.9
5.3
±4
±5
50
15
20
40
70
mA
mV
mADC
mADC
Units
80
Arms
ADC
VDC
VDC
ADC
ADC
mV
mV
mV
mV
dB
μF
µs
%
%
A
PK-PK
PK-PK
90