参数资料
型号: SQE48T30025-NGB0
厂商: Power-One
文件页数: 4/29页
文件大小: 0K
描述: DC/DC EIGHTH BRICK
标准包装: 50
系列: *

SQE48T30 DC-DC Series Data Sheet
36-75 VDC Input; 1.2-3.3 VDC @ 30 A Output
Electrical Specifications (continued)
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Cin=33 μF, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Output Characteristics
External Load Capacitance
Output Current Range
Plus full load (resistive)
0
30,000
30
μF
ADC
Output Voltage Set Point (no load)
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
2
Non-latching
Non-latching, Short = 10 m ?
Non-latching
31.5
-1
36.5
6
42
46
8
+1
ADC
A
Arms
%Vout
Output Regulation Over Line
Over Line
Over Load
±2
±2
±5
±5
mV
mV
Output Voltage Range
Over line, load and temperature
2
-1.5
+1.5
%Vout
Output Ripple and Noise – 25 MHz bandwidth
Full load + 10 μF tantalum + 1 μF ceramic
V OUT = 3.3 VDC
V OUT = 2.5 VDC
V OUT = 1.8 VDC
V OUT = 1.5 VDC
V OUT = 1.2 VDC
40
35
30
25
20
75
60
50
45
40
mV PK-PK
mV PK-PK
mV PK-PK
mV PK-PK
mV PK-PK
Dynamic Response
Load Change 10A-20A-10A
Settling Time to 1% of Vout
di/dt = 0.1 A/μ s
di/dt = 5 A/μ s
Co = 1 μF ceramic (Fig. 3.3V.9)
Co = 470 μF POS + 1 μF ceramic
30 3
150
15
mV
mV
μs
Efficiency
100% Load
50% Load
V OUT = 3.3 VDC
V OUT = 2.5 VDC
V OUT = 1.8 VDC
V OUT = 1.5 VDC
V OUT = 1.2 VDC
V OUT = 3.3 VDC
V OUT = 2.5 VDC
V OUT = 1.8 VDC
V OUT = 1.5 VDC
V OUT = 1.2 VDC
90.5
89.0
86.5
85.0
83.0
92.0
90.5
88.5
87.0
85.0
%
%
%
%
%
%
%
%
%
%
Additional Notes:
2
3
Operating ambient temperature range of -40 oC to 85 oC for converter.
See waveforms for dynamic response and settling time for different output voltages.
ZD-01961 Rev. 2.1, 17-Mar-11
www.power-one.com
Page 4 of 29
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