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参数资料
| 型号： | UARAM2CF3 |
| 厂商： | ASC CAPACITORS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, DMA7 |
| 封装： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-7 |
| 文件页数： | 8/10页 |
| 文件大小： | 880K |
| 代理商： | UARAM2CF3 |
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
MicroRAM Data Sheet
Rev. 1.4
Page 7 of 10
Set your site on VICOR at www.vicorpower.com
Figure 9
— V375A28C600B and RAM; Input and output dynamic
response no added CTRAN; 20% of 20 A rating load step of 4 A
(10 A – 14 A);RHR = 178 k (Configured as in Figs. 1 & 2)
Figure 10
— V375A28C600B and RAM; Input and output
dynamic response CTRAN=820 F Electrolytic; 32.5% of load step of
6.5 A (10 A – 16.5 A);RHR=178 k (Configured as in Figs. 1 & 2)
Figure 7
— Headroom vs. load current at 28 V output.
2 A
4 A
6 A
8 A
10 A
12 A
14 A
16 A
18 A
20 A
1 A
200 mV
300 mV
400 mV
450 mV
VOUT=28 V
190k
Rhr=150k
160k
170k
180k
200k
lload
V
headroom
Figure 5
— Headroom vs. load current at 3 V output.
lload
2A
4A
6A
8 A
10A
12A
14A
16A
1 8 A
20A
1A
200 mV
300 mV
400 mV
450 mV
VOUT=3 V
20k
Rhr=16k
17k
1 8 k
19k
21k
V
he
a
droom
2 A
4 A
6 A
8 A
10 A
12 A
14 A
16 A
18 A
20 A
1 A
200 mV
300 mV
400 mV
450 mV
100 k
90 k
85 k
95 k
105 k
Rhr = 80 k
lload
V
headroom
VOUT = 15 V
μRAM2xxx (RAM3xxx data not included in this rev.)
Notes: The measurements in Figures 8-16 were taken with a RAM2C21 and standard scope probes with a 20MHz bandwidth scope setting. The criteria for transient current
capability was as follows: The transient load current step was incremented from 10A to the peak value indicated, then stepped back to 10A until the resulting output peak to
peak was around 40mV.
Figure 8
— V375A28C600B and RAM; Input and output ripple
@50% (10 A) load CH1=Vi; CH2=Vo; Vi-Vo=332 mV; RHR=178 k
Figure 6
— Headroom vs. load current at 15 V output.
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