参数资料
型号: SSQE48T25018-PABNG
厂商: Power-One
文件页数: 3/12页
文件大小: 0K
描述: DC/DC SIXTEENTH BRICK
标准包装: 98
系列: *

SSQE48T25018 DC-DC Converter
36-75 VDC Input; 1.8 VDC, 25 A Output
Data Sheet
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
Input Characteristics
Operating Input Voltage Range
36
48
75
VDC
Input Under-voltage Lockout
Turn-on Threshold
Turn-off Threshold
33
31
34
32
35
33
VDC
VDC
Input Voltage Transient
Maximum Input Current
Input Stand-by Current
Input No Load Current (0 load on the output)
100 ms
V IN = 36VDC , I OUT =25ADC
Vin = 48V, converter disabled
Vin = 48V, converter enabled
10
31
100
1.5
VDC
ADC
mA
mA
Input Reflected-Ripple Current,
Input Voltage Ripple Rejection
i s
Vin = 48V, 25 MHz bandwidth
120 Hz
10
60
mA PK-PK
dB
Output Characteristics
External Load Capacitance
Plus full resistive load
30,000
μF
Output Current Range
Current Limit Inception
1.8 VDC
Non-latching, for 1.8 VDC
0
27.5
25
35
ADC
ADC
Peak Short-Circuit Current
RMS Short-Circuit Current
Output Voltage Setpoint Accuracy (no load)
Non-latching, Short = 10 m ?
Non-latching
-1.5
35
8.75
+1.5
A
Arms
%V OUT
Output Regulation
Over Line
Over Load
±2
±2
±5
±5
mV
mV
Overall Output Voltage Regulation
Output Ripple and Noise – 25 MHz bandwidth
Over line, load and temperature 2
Full load + 10 μF tantalum + 1 μF
ceramic
-3.0
50
+3.0
80
%Vout
mV PK-PK
Dynamic Response
Load Change 50%-75%-50% of Iout Max,
di/dt = 0.1 A/ μ s
Settling Time to 1% of Vout
Load Change 50%-75%-50% of Iout Max ,
di/dt = 5 A/ μ s
Settling Time to 1% of Vout
Co = 1 μF ceramic + 10 uF tantalum
Figure 8
Co = 470 μF POS + 1 μF ceramic
Figure 9
30
40
150
40
mV
μs
mV
μs
Efficiency
100% Load
50% Load
V OUT = 1.8 VDC
V OUT = 1.8 VDC
85.3
87.5
%
%
Additional Notes:
2
Operating ambient temperature range is -40 oC to 85 oC
ZD-02091 Rev. 1.0
www.power-one.com
Page 3 of 12
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