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| 型号： | IP2005CTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 8/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 40A LGA |
| 标准包装： | 2,000 |
| 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 ~ 5.5 V |
| 输入电压： | 2.5 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： | 8-LLGA |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-LGA |
i P2005CPbF
PD-60360
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 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 1and 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 iP2005C
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
Switching Freq = 750 kHz
Input Voltage = 10V
Inductor = 0.2μH
Output Voltage = 1.3V
Drive Voltage (VDD) = 5V
Calculating Maximum Power Loss:
(Figure 1) Maximum power loss = 7.0W
(Figure 3) Normalized power loss for input voltage ≈ 0.975
(Figure 5) Normalized power loss for output inductor ≈ 1.012
(Figure 6) Normalized power loss for switch frequency ≈ 0.88
Calculated Maximum Power Loss ≈ 7.0W x 0.975 x 1.0 x 1.012 x 0.88 ≈ 6.09W
www.irf.com
04/09/2009
8
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| IP2021CPBF | 功能描述:DC/DC 开关控制器 DUAL CH PWR BLOCK 60A 6V LDO 1MHz RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| IP2021CTRPBF | 功能描述:DC/DC 开关控制器 DUAL CH PWR BLOCK 60A 6V LDO 1MHz RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| IP2034PBF | 功能描述:IC REG BUCK SYNC ADJ 40A LGA RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12 |
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