参数资料
型号: MBCM270F338M235A00
厂商: Vicor Corporation
文件页数: 16/19页
文件大小: 0K
描述: HV MIL-COTS BCM BUS CONVERTER
应用说明: Factorized Power Architecture and V-I Chips
产品培训模块: VI Chip Bus Converter Modules
标准包装: 1
系列: V-I Chip™, BCM™
类型: 总线转换器模块
输出数: 1
电压 - 输入(最小): 240V
电压 - 输入(最大): 330V
输出电压: 33.75V
电流 - 输出(最大): 7A
电源(瓦) - 制造商系列: 235W
电压 - 隔离: 4.242kV(4242V)
应用: 商用
特点: 具有远程开/关功能和 UVLO
安装类型: 表面贴装
封装/外壳: 模块
尺寸/尺寸: 1.28" L x 0.87" W x 0.26" H(32.5mm x 22.0mm x 6.7mm)
包装: 托盘
工作温度: -55°C ~ 125°C
效率: 95.4%
电源(瓦特)- 最大: 236W
重量: 0.031 磅(14.06g)
- PRELIMINARY DATASHEET
MBCM270F338M235A00 MBCM270T338M235A00
7.0 CURRENT SHARING
The SAC topology bases its performance on efficient transfer
of energy through a transformer, without the need of closed
loop control. For this reason, the transfer characteristic can be
approximated by an ideal transformer with some resistive drop
and positive temperature coefficient.
This type of characteristic is close to the impedance characteristic
of a DC power distribution system, both in behavior
(AC dynamic) and absolute value (DC dynamic).
When connected in an array (with same K factor), the BCM
module will inherently share the load current with parallel
units, according to the equivalent impedance divider that the
system implements from the power source to the point of load.
It is important to notice that, when successfully started, BCMs
are capable of bidirectional operations (reverse power transfer
is enabled if the BCM input falls within its operating range and
the BCM is otherwise enabled). In parallel arrays, because of
the resistive behavior, circulating currents are never experienced
(energy conservation law).
General recommendations to achieve matched array impedances
are (see also AN016 for further details):
? to dedicate common copper planes within the PCB to
deliver and return the current to the modules
? to make the PCB layout as symmetric as possible
? to apply same input/output filters (if present) to each unit
Figure 18 – BCM Array
Rev. 1.7
V?I CHIP INC. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
12/2010
Page 16 of 19
v i c o r p o w e r. c o m
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MBCM270T338M235A00 功能描述:HV MIL-COTS BCM BUS CONVERTER RoHS:是 类别:电源 - 板载 >> DC DC 转换器(分解式) 系列:V-I Chip™, BCM™ 应用说明:Factorized Power Architecture and V-I Chips 产品培训模块:VI Chip Bus Converter Modules 标准包装:1 系列:V-I Chip™, BCM™ 类型:总线转换器模块 输出数:1 电压 - 输入(最小):330V 电压 - 输入(最大):365V 输出电压:12.5V 电流 - 输出(最大):24A 电源(瓦) - 制造商系列:300W 电压 - 隔离:4.242kV(4242V) 应用:商用 特点:具有远程开/关功能和 UVLO 安装类型:通孔 封装/外壳:模块 尺寸/尺寸:1.28" L x 0.87" W x 0.26" H(32.5mm x 22.0mm x 6.7mm) 包装:托盘 工作温度:-55°C ~ 125°C 效率:95.3% 电源(瓦特)- 最大:300W 重量:0.031 磅(14.06g)
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