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参数资料
| 型号： | DQ63318QGA08NNT |
| 厂商： | SYNQOR INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 77 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 13/14页 |
| 文件大小： | 760K |
| 代理商： | DQ63318QGA08NNT |
Product # DQ63318QGL08
Phone 1-888-567-9596
Doc.# 005-2DQ638D Rev. C
11/17/03
Page 8
Performance Curves
48Vin 3.3/1.8Vout 77W
Quarter
Brick Dual
Figure 23: Load current for 1.8V output (20A/div) as a function of time
when the converter attempts to turn on into a 10 m
short circuit.
Bottom trace is an expansion of the on-time portion of the top trace.
Figure 24: Load current for 3.3V output (20A/div) as a function of time
when the converter attempts to turn on into a 10 m
short circuit.
Bottom trace is an expansion of the on-time portion of the top trace.
Figure 19: Input Reflected Ripple Current, is, through a 10 H source
inductor at nominal input voltage and rated load current (5 mA/div).
1.8V and 3.3V outputs at full rated load current. (see Fig. 17)
Figure 20: Output Voltage Ripple at nominal input voltage and rated
load current on both outputs (20 mV/div). Load capacitance: 1F
ceramic & 15F tantalum. Bandwidth: 20 MHz. (see Fig. 17)
0.0
0.5
1.0
1.5
2.0
2.5
0
5
10
15
20
Load Current (A)
Output
Voltage
(V)
35 V
48 V
75 V
Figure 21: Output voltage vs. load current showing typical current limit
curves and converter shutdown points for the 1.8V output. 3.3V load is
at 0A.
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
5
10
15
20
Load Current (A)
Output
Voltage
(V)
35 V
48 V
75 V
Figure 22: Output voltage vs. load current showing typical current limit
curves and converter shutdown points for the 3.3V output. 1.8V load is
at 0A.
1.8Vout
3.3Vout
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