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参数资料
| 型号： | IP1001TR |
| 厂商： | International Rectifier |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 20A 256BGA |
| 标准包装： | 750 |
| 系列： | iPOWIR™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.93 V ~ 2 V |
| 输入电压： | 3.3 V ~ 12 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz，300kHz |
| 电流 - 输出： | 20A |
| 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： | 256-BGA（218 凸块） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | BGA（14x14） |
| 配用： | IRDCIP1001-A-ND - CONV SGL PHA SYNC BUCK 3.3-4.5V |
iP1001
Guaranteed Performance Curves
5.0
4.5
22
20
4.0
V IN = 12V
18
3.5
3.0
V OUT = 1.3V
T BLK =125°C
f sw set to 300kHZ
Maximum
16
14
12
Safe Operating Area
2.5
10
2.0
1.5
1.0
0.5
0.0
Typical
8
6
4
2
0
V IN = 12V
V OUT = 1.3V
f sw set to 300kHZ
0
2
4
6
8
10
12
14
16
18
20
0
10
20
30
40
50
60
70
80
90 100 110 120 130
Output Current (A)
Fig 1. Power Loss vs Current
PCB Temperature (°C)
Fig 2. Safe Operating Area (SOA) vs T PCB
Adjusting the Power Loss and SOA curves for different operating conditions
To make adjustments to the power loss curves in Fig. 1, multiply the normalized value obtained from the curves in Figs. 3,
or 4 by the value indicated on the power loss curve in Fig. 1. If multiple adjustments are required, multiply all of the
normalized values together, then multiply that product by the value indicated on the power loss curve in Fig. 1. The resulting
product is the final power loss based on all factors.
To make adjustments to the SOA curve in Fig. 2, determine the maximum allowed PCB temperature in Fig. 2 at the required
operating current. Then, add the correction temperature from the normalized curves in Figs. 3 or 4 to find the final maximum
allowable PCB temperature. When multiple adjustments are required, add all of the temperatures together, then add the sum
to the PCB temperature indicated on the SOA graph to determine the final maximum allowable PCB temperature based on
all factors.
Note: If input voltage <5Vin nominal operation is required then first see Fig. 5 for maximum current capability limit.
Operating Conditions for the examples below:
Output Current = 20A
Output Voltage = 2.5V
Adjusting for Maximum Power Loss:
Input Voltage = 7V
(Fig. 1)
(Fig. 3)
(Fig. 4)
Maximum power loss =5 W
Normalized power loss for output voltage ≈1.14
Normalized power loss for input voltage ≈0.89
Adjusted Power Loss = 5W x 0.89 x 1.14 ≈ 5.07W
Adjusting for SOA Temperature:
4
(Fig. 2)
(Fig. 3)
(Fig. 4)
SOA PCB Temperature = 90°C
Normalized SOA PCB Temperature for output voltage ≈ -4.5°C
Normalized SOA PCB Temperature for input voltage ≈ 4°C
Adjusted SOA PCB Temperature = 90°C + 4°C -4.5°C ≈ 89.5 °C
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