- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄98054 > PKL4118PITM (ERICSSON POWER MODULES AB) 1-OUTPUT 108 W DC-DC REG PWR SUPPLY MODULE PDF資料下載
參數(shù)資料
| 型號(hào)： | PKL4118PITM |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 108 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁(yè)數(shù)： | 15/24頁(yè) |
| 文件大小： | 364K |
| 代理商： | PKL4118PITM |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)當(dāng)前第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)
22
PKL 4000 Series Datasheet
EN/LZT 146 047 R1A Ericsson Power Modules, December 2003
0123
0
1
2
3
4
5
6
[m/s]
[°C/W]
Thermal Consideration
General
The PKL 4000 Series DC/DC converters are designed to
operate in a variety of thermal environments, however
sufficient cooling should be provided to help ensure reliable
operation. Heat is removed by conduction, convection and
radiation to the surrounding environment. Increased airflow
enhances the heat transfer via convection. The available load
current vs. ambient air temperature and airflow at Vin=53 V
for each model is according to the information given under
the output section. The test is done in a wind tunnel with a
cross section of 305x305 mm, the DC/DC converter vertically
mounted on a 16 layer PCB with a size of 254x254 mm.
Proper cooling can be verified by measuring the temperature
of selected devices.
Calculation of ambient temperature
By using the thermal resistance the maximum allowed
ambient temperature can be calculated.
1. The powerloss is calculated by using the formula
((1/
η) - 1) × output power = power losses.
η = efciency of converter. E.g 85 % = 0.85
2. Find the value of the thermal resistance in the diagram
by using the airow speed at the module. Take the thermal
resistance x powerloss to get the temperature increase.
Thermal resistance vs. airspeed measured at the converter.
Tested in windtunnel with a cross section of 305×305 mm
mounted on a 16 layer PCB with a size of 254×254 mm.
3. Max allowed calculated ambient temperature is: Max
TC of DC/DC converter – temperature increase.
Example: PKL 4118B PIT
Conditions:
Input voltage 53 V
Max case temperature 110 °C
Output current 80 A
Efciency 81.5%
Airow 2 m/s
2. 32.6W × 1.8 °C/W = 58.68 °C (temperature increase)
3. 110 °C - 58.7 °C = max ambient temperature is 51.3 °C
The real temperature will be dependent on several factors,
like PCB size and type, direction of airow, air turbulence,
heatsinking etc. It is recommended to verify the temperature
by testing.
1. ((
) - 1) × 144 W = 32.6 W (powerloss)
1
0.815
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PKM4110CPIPNBMLA | 1-OUTPUT 204 W DC-DC REG PWR SUPPLY MODULE |
| PKM4110DPINB | 1-OUTPUT 116 W DC-DC REG PWR SUPPLY MODULE |
| PKM4111DPINB | 1-OUTPUT 125 W DC-DC REG PWR SUPPLY MODULE |
| PKM4118HCPINB | 1-OUTPUT 105 W DC-DC REG PWR SUPPLY MODULE |
| PKM4118GCPINB | 1-OUTPUT 126 W DC-DC REG PWR SUPPLY MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PKL4119API | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 2.5V 60A 150W - Bulk |
| PKL4119APILA | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 2.5V 60A 150W 9PIN - Bulk |
| PKL4119APIT | 功能描述:DC/DC轉(zhuǎn)換器 2.5 Vdc 60A Iso Input 36-75V 150W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PKL4119PI | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 2.5V 50A 125W 9PIN - Bulk |
| PKL4119PIT | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 2.5V 50A 125W - Bulk |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。