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| 型号： | IRDCIP2005A-A |
| 厂商： | International Rectifier |
| 文件页数： | 9/18页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO SYNC DUAL BUCK CNVTER |
| 标准包装： | 1 |
| 系列： | * |
PD-60325
i P2005APbF
Calculating Power Loss and SOA for Different Operating Conditions
To calculate Power Loss for a given set of operation conditions, the following procedure
should be followed:
Power Loss Procedure
1.Determine the maximum current for each iP2005A and obtain the maximum power loss
from Figure 1
2.Use the normalized curves to obtain power loss values that match the operating conditions
in the application
3.The maximum power loss under the application conditions is then the product of the power
loss from Figure 1 and the normalized values.
To calculate the Safe Operating Area (SOA) for a given set of operating conditions,
the following procedure should be followed:
SOA Procedure
1.Determine the maximum PCB and CASE temperature at the maximum operating current
for each iP2005A
2.Use the normalized curves to obtain SOA temperature adjustments that match the
operating conditions in the application
3.Then, add the sum of the SOA temperature adjustments to the T X axis intercept in Figure
2
Design Example
Operating Conditions:
Output Current = 30A
Input Voltage = 10V
Output Voltage = 1.3V
Switching Freq = 750kHz Inductor = 0.2μH
Calculating Maximum Power Loss:
Drive Voltage (V DD ) = 5V
(Figure 1)
(Figure 3)
(Figure 4)
(Figure 5)
(Figure 6)
Maximum power loss = 9.0W
Normalized power loss for input voltage ≈ 0.95
Normalized power loss for output voltage ≈ 1.0
Normalized power loss for output inductor ≈ 1.026
Normalized power loss for switch frequency ≈ 0.87
Calculated Maximum Power Loss ≈ 9.0W x 0.95 x 1.0 x 1.026 x 0.87 ≈ 7.63W
www.irf.com
2/8/2008
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRDCIP2005C-1 | 功能描述:电源管理IC开发工具 500KHZ 60A 1 OUTPUT IP2005C DESIGN KIT RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDCIP2005C-2 | 功能描述:电源管理IC开发工具 500KHZ 50A DUAL IP2005C DESIGN KIT RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDCIP2021C-1 | 功能描述:电源管理IC开发工具 500KHZ 40A 1 OUTPUT IR3623 REF BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDCIP2021C-2 | 功能描述:电源管理IC开发工具 500KHZ 20A DUAL IR3623 REF BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| IRDCSYN2 | 功能描述:电源管理IC开发工具 5V 2A OTHER RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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