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B048A120M20 参数 Datasheet PDF下载

B048A120M20图片预览
型号: B048A120M20
PDF下载: 下载PDF文件 查看货源
内容描述: VI芯片 - BCM母线转换模块 [VI Chip - BCM Bus Converter Module]
分类和应用:
文件页数/大小: 16 页 / 475 K
品牌: VICOR [ VICOR CORPORATION ]
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Specifications, continued  
OUTPUT (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)  
Parameter  
Min  
Typ  
Max  
Unit  
Note  
Rated DC current  
0
17.0  
Adc  
Max pulse width 1ms, max duty cycle 10%,  
baseline power 50%  
Peak repetitive current  
25.0  
A
DC current limit  
17.0  
21.0  
5
26.0  
10  
Adc  
%
Current share accuracy  
Efficiency  
See Parallel Operation on page 12  
10A load  
95.5  
95.0  
96.2  
95.7  
1.6  
%
%
See Fig.5  
See Fig.5  
Full load  
Internal output inductance  
Internal output capacitance  
Load capacitance  
Output overvoltage setpoint  
Output ripple voltage  
No external bypass  
1µF bypass capacitor  
Average short circuit current  
Effective switching frequency  
Line regulation  
nH  
µF  
µF  
Vdc  
12  
Effective value  
1000  
150  
14.75  
95  
12  
mV  
mV  
See Figs.7 and 9  
See Fig.8  
200  
3.5  
mA  
2.8  
4.2  
0.255  
25  
MHz  
Fixed, 1.75 MHz per phase  
VOUT=K•VIN at no load  
See Fig. 26  
K
0.245  
0.250  
Load regulation  
ROUT  
m  
Transient response  
230  
40  
mV  
mV  
ns  
0-17.0A load step, see Fig.10  
1.2-15A load step with 1µF bypass, see Fig. 11  
See Figs.10 and 11  
Voltage overshoot  
Response time  
Recovery time  
200  
1
µs  
See Figs.10 and 11  
Output overshoot  
Input turn-on  
0
0
mV  
mV  
No output filter; See Fig.3  
No output filter; See Fig.2  
PC enable  
Output turn-on delay  
From application of power  
From release of PC pin  
250  
ms  
ms  
No output filter; See Fig.3  
No output filter; See Fig.2  
50  
OUTPUT WAVEFORMS  
Efficiency vs. Output Power  
Power Dissipation  
97  
96  
95  
94  
93  
92  
91  
90  
89  
10  
9
8
7
6
5
4
3
2
1
0
0
50  
100  
150  
200  
25  
75  
125  
175  
0
50  
100  
150  
200  
25  
75  
125  
175  
Output Power (W)  
Output Power (W)  
Figure 5— Efficiency vs. output power at 12 Vout  
Figure 6—Power dissipation as a function of output power  
Vicor Corporation  
Tel: 800-735-6200  
V•I Chip Bus Converter  
B048K120T20  
Rev. 2.2  
Page 3 of 16  
45  
vicorpower.com