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参数资料
| 型号： | AV60A-048L-050D033-M6L |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 61 X 57.90 MM, 12.7 MM HEIGHT, HALF BRICK PACKAGE-10 |
| 文件页数： | 14/25页 |
| 文件大小： | 273K |
| 代理商： | AV60A-048L-050D033-M6L |
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-21-
USA
Europe
Asia
TEL:
1-760-930-4600
44-(0)1384-842-211
852-2437-9662
FAX:
1-760-930-0698
44-(0)1384-843-355
852-2402-4426
www.astec.com
Natural Convection with Heat Sink
The power derating for a module with the heat
sinks ( shown as figure 35 to figure 37) in nat-
ural convection is shown in figure 39. In this
test, nature convection generates airflow about
0.05 m/s to 0.1 m/s ( 10ft./min to 20ft./min ).
Figure 39 can be used for heat-sink selection in
natural convection environment.
Example 3. How to select a heat sink?
What heat sink would be appropriate for a
AV60A-048L-033D025(N) in a natural convec-
tion environment at nominal line, full load, and
maximum ambient temperature of 40°C?
Determine PD ( referenced Fig.31 ) with con-
dition:
Vin = 48 V
IO = 15 A
TA = 40 °C
Get: PD = 11.5 W
Determine Heat Sink (Fig.39 ):
1/2 in. allows up to TA = 40 ° C
Basic Thermal Model
There is another approach to analyze module
thermal performance, to model the overall ther-
mal resistance of the module. This presentation
method is especially useful when considering
heat sinks. The following equation can be used
to calculate the total thermal resistance .
RCA =
TC, max / PD
Where RCA is the total module thermal resis-
tance.
TC, max is the maximum case temperature
rise.
PD is the module power dissipation.
In this model, PD,
TC, max, and RCA are equals
to current flow, voltage drop, and electrical
resistance, respectively, in Ohm's law, as
shown in Figure 40. Also,
TC, max is defined as
the difference between the module case tem-
perature (TC) and the inlet ambient temperature
(TA).
TC, max = TC - TA
Where TC is the module case temperature;
TA is the inlet ambient temperature.
For AV60A dual output series converters, the
module's thermal resistance values versus air
PD
THERMAL
RESISTANCE
RcA
Fig.40 Basic Thermal Resistance Model
Fig.38 Heat Sink Mounting
0
10
203040
90 100
0
20
25
30
35
LOCAL AMBIENT TEMPERATURE, TA (°C)
POWER
DISSIPATION,
P
D
(W)
15
10
5
50
60
70
80
1 1/2 in.
1 in.
1/2 in.
1/4 in.
NONE
Fig.39 Heat Sink Power Derating Curves,
Natural Convection
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AV60A-048L-050D033N | 功能描述:DC/DC转换器 CONV DC-DC 75W 48V 5/3.3V NEG-EN RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| AV60C | 制造商:EMERSON-NETWORKPOWER 制造商全称:Emerson Network Power 功能描述:Industry standard pin-out & performance 100°C baseplate temperature (no derating) |
| AV60C-048L-033F06-8 | 功能描述:CONV DC-DC 30W 48VIN 3.3V POS-EN RoHS:否 类别:电源 - 板载 >> DC DC Converters 系列:AV60C 产品目录绘图:V(R,7)AH Series 标准包装:25 系列:V7AH 类型:非隔离（POL） 输出数:1 电压 - 输入（最小）:3V 电压 - 输入（最大）:5.5V Voltage - Output 1:1.8V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:12A 电源（瓦） - 制造商系列:21W 电压 - 隔离:- 特点:具有远程开/关功能和 UVLO 安装类型:通孔 封装/外壳:5-SIP 模块 尺寸/尺寸:0.70" L x 0.31" W x 0.65" H（17.8mm x 7.9mm x 16.5mm） 包装:管件 工作温度:-40°C ~ 85°C 效率:87% 电源（瓦特）- 最大:21.6W 其它名称:507-1141-5 |
| AV60C048L-033F06-8 | 制造商:Emerson Network Power - Embedded Power 功能描述:NOT FOR NEW DESIGNS, USE EXB30-48D05-3V3J - Trays |
| AV60C-048L-033F10 | 功能描述:DC/DC转换器 CONV DC-DC 50W 48VIN 3.3V POS-EN RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
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