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參數(shù)資料
| 型號(hào)： | SQL48T20033-NDABG |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-8 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 773K |
| 代理商： | SQL48T20033-NDABG |
第1頁(yè)第2頁(yè)當(dāng)前第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)
Rev 0.2, 3-Mar-11
www.power-one.com
Page 11 of 14
SQL48T20033 DC-DC Converter
36-75 VDC Input; 3.3 VDC @ 20A Output
Preliminary Data Sheet
Figure 11. Output voltage response to load current step
change (10A
– 15A – 10A) at Vin = 48 V.
Top trace: output voltage (50mV/div.)
Bottom: load current (5 A/div.).
Current slew rate: 0.1 A/s. Time scale: 200 s /div.
Co = 10F tantalum + 1F ceramic
Figure 12. Output voltage response to load current step
change (10A
– 15A – 10A) at Vin = 48 V.
Top trace: output voltage (50mV/div.)
Bottom: load current (5 A/div.).
Current slew rate: 1 A/s. Time scale: 200 s /div.
Co = 470F POS + 1F ceramic
Figure 13.
Output voltage ripple (20 mV/div.) at full rated
load current into a resistive load with Co = 10F
tantalum + 1F ceramic and Vin = 48V. Time
scale: 1s/div.
Figure 14.
Input
reflected-ripple
current,
is (10 mA/div.),
measured through 10 H at the source at full rated
load current and Vin = 48 V. Refer to Fig. J for test
setup. Time scale: 1 s/div.
Figure 15.
Input reflected ripple-current,
ic (100 mA/div.),
measured at input terminals at full rated load
current and Vin = 48 V. Refer to Fig. J for test setup.
Time scale: 1 s/div.
Figure 16.
Load current (top trace, 20 A/div., 100 ms/div.) into
a
10
m
short
circuit
during
restart,
at
Vin = 48 V. Bottom trace (20 A/div., 5 ms/div.) is an
expansion of the on-time portion of the top trace.
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