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参数资料
| 型号： | V375A3V3C264A2S |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 264 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 5/8页 |
| 文件大小： | 186K |
| 代理商： | V375A3V3C264A2S |
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figures 7 & 8.
Vicor Corporation Tel: 800-735-6200 Fax: 978-475-6715
Data Sheet: V375A3V3C264A DC-DC Converter
Date: 7-01 Rev. 3
Page 5 of 8
CONTROL FUNCTIONS - SC PIN
Figure 8—Output voltage trim up circuit.
Figure 7—Output voltage trim down circuit.
RU (ohms) =
1,000 (Vout-1.23) Vnom
- 1,000
1.23 (Vout-Vnom)
RD (ohms) =
1,000 Vout
Vnom - Vout
+Out
+S
SC
–S
–Out
RU
Trim Up
Load
Error
Amp
1k
1.23V
0.033
F
Load
+Out
+S
SC
–S
–Out
RD
Trim Down
Error
Amp
1k
1.23V
0.033
F
Trim Down
1. This converter is not a constant power device – it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim down resistor must be connected to the –Sense pin.
Trim Up
1. The converter is rated for a maximum delivered power. To ensure
that maximum rated power is not exceeded, reduce maximum
output current by the same percentage increase in output voltage.
2. The trim up resistor must be connected to the +Sense pin.
3. Do not trim the converter above maximum trim range
(typically +10%) or the output over voltage
protection circuitry may be activated.
Trim values calculated automatically:
Resistor trim calculators are available on Vicor’s
web site at URL: www.vicr.com/tools.html
or by requesting a copy of Vicor’s
Applications Manual on a CD ROM.
Resistor values can be calculated for fixed
trim up, fixed trim down and for variable
trim up or down cases for both 1st and
2nd Generation DC-DC converters.
In addition to trimming information, the
web site and the applications manual on
CD ROM also include design tips,
applications circuits, EMC suggestions,
thermal design guidelines and PDF data
sheets for all available Vicor products.
Set your site on VICOR at www.vicr.com
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相关代理商/技术参数 |
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| V375A3V3C264A3 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC to DC Converter |
| V375A3V3C264AL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DC to DC Converter |
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| V375A3V3C264B | 功能描述:CONVERTER MOD DC/DC 3.3V 264W RoHS:否 类别:电源 - 板载 >> DC DC Converters 系列:Maxi 设计资源:Maxi/Mini/Micro Design Guide, Appl Manual 标准包装:1 系列:Maxi 类型:隔离 输出数:1 电压 - 输入（最小）:250V 电压 - 输入（最大）:425V Voltage - Output 1:8V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:400W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:模块 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包装:散装 工作温度:-20°C ~ 100°C 效率:* 电源（瓦特）- 最大:* |
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