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参数资料
| 型号： | IRDCIP1001-A |
| 厂商： | International Rectifier |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | CONV SGL PHA SYNC BUCK 3.3-4.5V |
| 标准包装： | 1 |
| 系列： | iPOWIR™ |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 2V |
| 电流 - 输出： | 20A |
| 输入电压： | 3.3 ~ 4.5 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 200kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | iP1001 |
| 相关产品： | IP1001TR-ND - IC REG BUCK SYNC ADJ 20A 256BGA IP1001-ND - IC REG BUCK SYNC ADJ 20A 256BGA |
| 其它名称： | *IRDCIP1001-A |
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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相关代理商/技术参数 |
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| IRDCIP1001-B | 功能描述:CONV SGL PHA SYNC BUCK 5-12V RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035 |
| IRDCIP1201-A | 功能描述:电源管理IC开发工具 iP1201 30A 300kHz Dual 15A 3.14V 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 |
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| IRDCIP1203-A | 功能描述:电源管理IC开发工具 IP1203 BUCK EVAL BRD 200kHz-400kHz 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 |
| IRDCIP1206-A | 功能描述:电源管理IC开发工具 IP1206 BUCK EVAL BRD 300kHz 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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