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参数资料
| 型号： | IP2004TR |
| 厂商： | International Rectifier |
| 文件页数： | 7/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 40A LGA |
| 标准包装： | 1 |
| 系列： | iPOWIR™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 8 V |
| 输入电压： | 3.3 V ~ 13.2 V |
| 频率 - 开关： | 250kHz ~ 1.5MHz |
| 电流 - 输出： | 40A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 电源块（LGA） |
| 包装： | 标准包装 |
| 供应商设备封装： | LGA（7.7x7.7） |
| 其它名称： | IP2004TRDKR |
Data Sheet No. PD60322
i P2004
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 iP2004 and obtain the maximum power loss
from Figure 1
2. Use the Normalized curves in page 5 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 iP2004
2. Use the Normalized curves in page 5 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
Switching Freq = 750kHz
Input Voltage = 10V
Inductor = 0.2μH
Output Voltage = 3.3V
Drive Voltage (V DD ) = 5.5V
Calculating Maximum Power Loss:
(Figure 1)
(Figure 3)
(Figure 4)
(Figure 5)
(Figure 6)
(Figure 7)
Maximum power loss = 8.0W
Normalized power loss for input voltage ≈ 0.98
Normalized power loss for output voltage ≈ 1.23
Normalized power loss for drive voltage (V DD ) ≈ 0.96
Normalized power loss for output inductor ≈ 1.03
Normalized power loss for switch frequency ≈ 0.91
Calculated Maximum Power Loss ≈ 8.0W x 0.98 x 1.23 x 0.96 x 1.03 x 0.91 ≈ 8.68W
Page 7 of 15
www.irf.com
12/22/2007
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IP2005APBF | 功能描述:开关变换器、稳压器与控制器 HI FREQ SYNC BUCK 40A 4.5 to 7V 1.5MHz RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IP2005ATRPBF | 功能描述:开关变换器、稳压器与控制器 HI FREQ SYNC BUCK 40A 4.5 to 7V 1.5MHz RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IP-2005BX-W1 | 制造商:Black Box Corporation 功能描述:1 year warranty for IP-2005BX |
| IP-2005BX-W3 | 制造商:Black Box Corporation 功能描述:3 year warranty for IP-2005BX |
| IP2005CPBF | 功能描述:开关变换器、稳压器与控制器 OPTIMIZED LGA PWR 40A 4.5V 7.0V 1.5Mhz RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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