參數(shù)資料
型號(hào)： PKJ4910PI
英文描述： Photoflash Capacitor Chargers in ThinSOT; Package: SOT; No of Pins: 5; Temperature Range: -40°C to +125°C
中文描述： 模擬IC
文件頁(yè)數(shù)： 4/20頁(yè)
文件大小： 617K
代理商： PKJ4910PI
Thermal Data
The PKJ series DC/DC power modules has a robust thermal design
which allows operation at case (baseplate) temperatures (T
C
) up to
+100°C. The main cooling mechanism is convection (free or forced)
through the case or optional heatsinks.
The graph above shows the allowable maximum output
current to maintain a maximum +100°C case temperature.
Note that the ambient temperature is the air temperature
adjacent to the power module which is typically elevated
above the room environmental temperature.
The graphs below can be used to estimate case temperatures
for given system operating conditions (see Thermal design).
For further information on optional heatsinks, please contact
your local Ericsson sales office.
Thermal Design
The thermal data can be used to determine thermal performance
without a heatsink.
Case temperature is calculated by the following formula:
T
C
= T
A
+ P
d
x R
thC-A
where P
d
= P
O
(1/
η
- 1)
Where:
T
C
: Case Temperature
T
A
: Local Ambient Temperature
P
d
: Dissipated Power
R
thC-A
: Thermal Resistance from T
C
to T
A
The efficiency
η
can be found in the tables on the following pages.
For design margin and to enhance system reliability, it is recommend-
ed that the PKJ series DC/DC power modules are operated at case
temperatures below 90°C.
4
Data Sheet AE/LZT 137 57 R1 Ericsson Components AB, August 1999
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PKJ4910PIP 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 3.3V 30A 99W - Bulk 制造商:ERICSSON 功能描述:
PKJ4910PIT 功能描述:DC/DC轉(zhuǎn)換器 3.3 Vdc 30A Iso Input 36-75V 99W 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(chēng)）: 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:
PKJ50B1/4 功能描述:旋鈕和轉(zhuǎn)盤(pán) STRGHT 0.52" W/SPIN SWITCH KNOB RoHS:否 制造商:Davies Molding 材料:Phenolic 設(shè)計(jì):Set Screw 軸尺寸:0.25 in 直徑:3/4 in 顏色:Black 指示器型式:Line
PKJ50B1/8 功能描述:旋鈕和轉(zhuǎn)盤(pán) STRGHT 0.52" W/SPIN SWITCH KNOB RoHS:否 制造商:Davies Molding 材料:Phenolic 設(shè)計(jì):Set Screw 軸尺寸:0.25 in 直徑:3/4 in 顏色:Black 指示器型式:Line
PKJ50B14 功能描述:旋鈕和轉(zhuǎn)盤(pán) Phenolic Knob Molded ABS RoHS:否 制造商:Davies Molding 材料:Phenolic 設(shè)計(jì):Set Screw 軸尺寸:0.25 in 直徑:3/4 in 顏色:Black 指示器型式:Line
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