参数资料
型号: SSQE48T20033-PABNG
厂商: Power-One
文件页数: 11/12页
文件大小: 0K
描述: DC/DC SIXTEENTH BRICK
标准包装: 98
系列: *
SSQE48T20033 DC-DC Converter
36-75 VDC Input; 3.3 VDC, 20 A Output
Data Sheet
Figure 10. Output voltage ripple (50 mV/div.) at full rated
load current into a resistive load with Co = 10 μF
tantalum + 1 μF ceramic and Vin = 48 V. Time
scale: 1 μs/div.
Figure 13.
4
Input reflected ripple-current, i c (200 mA/div.),
measured at input terminals at full rated load
current and Vin = 48 V. Refer to Figure 11 for
test setup. Time scale: 1 μs/div.
i S
i C
3
10 ? H
source
inductance
V source
33 ? F
ESR < 1 ?
electrolytic
capacitor
SSQE48
DC-DC
Converter
1 ? F
Ceramic
+ 10 ? F
Tantalum
Capacitor
Vout
2
1
Figure 11. Test setup for measuring input reflected ripple
currents, ic and is.
0
0
5
10
15
Iout [ADC]
20
25
30
Figure 14. Output voltage vs. load current showing current
limit point and converter shutdown point. Input
voltage has almost no effect on current limit
characteristic.
Figure 12. Input reflected-ripple current, i s (10 mA/div.),
measured through 10 μH at the source at full
rated load current and Vin = 48 V. Refer to Figure
11 for test setup. Time scale: 1 μs/div.
Figure 15. Load current (top trace, 20 A/div., 50 ms/div.) into
a 10 m ? short circuit during restart, at Vin = 48 V.
Bottom trace (10 A/div.,
5 ms/div.) is an
expansion of the on-time portion of the top trace
ZD-02087 Rev. 2.0
www.power-one.com
Page 11 of 12
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