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| 型號(hào)： | AV60A-048L-033D025N-8-M1 |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 61 X 57.90 MM, 12.7 MM HEIGHT, HALF BRICK PACKAGE-10 |
| 文件頁(yè)數(shù)： | 14/25頁(yè) |
| 文件大小： | 273K |
| 代理商： | AV60A-048L-033D025N-8-M1 |
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B
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C
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C O
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N
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3
3 6
6
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D
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7
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-21-
USA
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TEL:
1-760-930-4600
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FAX:
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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
相關(guān)PDF資料 |
PDF描述 |
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| AV60A-048L-033D025-M6L | 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| AV60A-048L-050D033-7-M6L | 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| AV60A-048L-050D033-M6L | 2-OUTPUT 75 W DC-DC REG PWR SUPPLY MODULE |
| AV61-150/FREQ-OUT26 | VCXO, CLOCK, 30 MHz - 100 MHz, ACMOS/TTL OUTPUT |
| AV630264 | SNAP ACTING/LIMIT SWITCH, SPST, MOMENTARY, 0.1A, 30VDC, 1mm, PANEL MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AV60A-048L-050D033 | 功能描述:DC/DC轉(zhuǎn)換器 DC/DC 2-OUT 3.3V/5V 15A 150W 9-Pin 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: |
| AV60A-048L-050D033N | 功能描述:DC/DC轉(zhuǎn)換器 CONV DC-DC 75W 48V 5/3.3V NEG-EN 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: |
| AV60C | 制造商:EMERSON-NETWORKPOWER 制造商全稱: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 類別:電源 - 板載 >> DC DC Converters 系列:AV60C 產(chǎn)品目錄繪圖:V(R,7)AH Series 標(biāo)準(zhǔn)包裝:25 系列:V7AH 類型:非隔離（POL） 輸出數(shù):1 電壓 - 輸入（最?。?3V 電壓 - 輸入（最大）:5.5V Voltage - Output 1:1.8V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:12A 電源（瓦） - 制造商系列:21W 電壓 - 隔離:- 特點(diǎn):具有遠(yuǎn)程開/關(guān)功能和 UVLO 安裝類型:通孔 封裝/外殼:5-SIP 模塊 尺寸/尺寸:0.70" L x 0.31" W x 0.65" H（17.8mm x 7.9mm x 16.5mm） 包裝:管件 工作溫度:-40°C ~ 85°C 效率:87% 電源（瓦特）- 最大:21.6W 其它名稱: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 |
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