参数资料
型号: SSQE48T20033-NABNG
厂商: Power-One
文件页数: 3/12页
文件大小: 0K
描述: CONVERTER DC-DC 3.3V 20A
标准包装: 100
系列: 1/16 砖
类型: 隔离
输出数: 1
电压 - 输入(最小): 36V
电压 - 输入(最大): 75V
Voltage - Output 1: 3.3V
电流 - 输出(最大): 20A
电源(瓦) - 制造商系列: 66W
电压 - 隔离: 2.25kV(2250V)
安装类型: 通孔
封装/外壳: 8-DIP 模块,1/16 砖
尺寸/尺寸: 1.30" L x 0.90" W x 0.37" H(33.0mm x 22.9mm x 9.4mm)
包装: 托盘
工作温度: -40°C ~ 85°C
效率: 91%
电源(瓦特)- 最大: 66W
产品目录页面: 2738 (CN2011-ZH PDF)
其它名称: 179-2361
SSQE48T20033-NAB0G
SSQE48T25033 DC-DC Converter
36-75 VDC Input; 3.3 VDC, 25 A Output
Preliminary 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
45
100
2.5
VDC
ADC
mA
mA
Input Reflected-Ripple Current,
Input Voltage Ripple Rejection
i s
Vin = 48V, 25 MHz bandwidth
120 Hz
60
20
mA PK-PK
dB
Output Characteristics
External Load Capacitance
Plus full resistive load
20,000
μF
Output Current Range
3.3 VDC
0
25
ADC
Current Limit Inception
Peak Short-Circuit Current
RMS Short-Circuit Current
Output Voltage Set-point (no load)
Non-latching, for 3.3 VDC
Non-latching, Short = 10 m ?
Non-latching
26.5
3.25
30.5
34
5
3.30
35
3.35
ADC
A
Arms
V
Output Regulation
Over Line
Over Load
±2
±2
±5
±5
mV
mV
Overall Output Voltage Regulation
Over line, load and temperature
2
3.20
3.40
V
Output Ripple and Noise – 25 MHz bandwidth
Full load + 10 μF tantalum + 1 μF
ceramic
40
100
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
50
50
150
50
mV
μs
mV
μs
Efficiency
100% Load
50% Load
V OUT = 3.3 VDC
V OUT = 3.3 VDC
89
89
90.5
91.5
%
%
Additional Notes:
2
Operating ambient temperature range is -40oC to 85oC
ZD-02119 Rev. 1.1
www.power-one.com
Page 3 of 12
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