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參數(shù)資料
| 型號： | PSA242.5-2 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE A01, MODULE |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 411K |
| 代理商： | PSA242.5-2 |
Chassis Mountable
Switching Regulators
PSA Series
Edition 5/5.2000
2/10
Type Key
PSA 12 3 -2 iRY
Positive switching regulator in case A02 ..................... PSA
Nominal output voltage in volt (3E for 3.3 V) .......... 3E...24
Nominal output current in ampere ............................... 2...5
Operational ambient temperature range
T
A
–10...50
°C ........................................................... -2
Options package:
Inhibit input ............................................................ i
Control input for output voltage adjustment 1 ....... R
Small soldering pins 0.5
× 1.0 mm ........................ Y
Example:
PSA 123-2iPY = A positive switching regulator with a 12 V, 3 A output, ambient temperature range of
–10…50
°C, with options package: inhibit input, external output voltage adjustment and small soldering pins.
Control circuit
Go–
Vo+
Gi–
Vi+
Input
Filter
R (option
package)
i (option
package)
Io
U o
Ii
U i
03050
Ce
Fig. 1
Block diagram
Functional Description
The switching regulators are designed using the buck con-
verter topology. See also:
Technical Information: Topolo-
gies. The input is not electrically isolated from the output.
During the on period of the switching transistor, current is
transferred to the output and energy is stored in the output
choke in the form of flux. During the off period, this energy
forces the current to continue flowing through the output,
to the load and back through the freewheeling diode.
Regulation is accomplished by varying the on to off duty
ratio of the power switch.
These regulators are ideal for a wide range of applica-
tions, where input to output isolation is not necessary, or
where already provided by an external front end (e.g. a
transformer with rectifier). To optimise customer’s needs,
additional options and accessories are available.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PSA-242P | 功能描述:插入式交流適配器 24VDC 50W UNIV INPUT RoHS:否 制造商:Phihong 地區(qū):Universal 安裝風格:Wall, Interchangeable Plug 輸入電壓范圍:90 VAC to 264 VAC 輸出端數(shù)量:1 輸出功率額定值:5 W 輸出電壓（通道 1）:5 V 輸出電流（通道 1）:1 A 直流輸出連接器:USB Type A 隨附/必需的交流插頭:Required 商用/醫(yī)用:Commercial 效率:Level V |
| PSA2444A | 制造商:ZCOMM 制造商全稱:ZCOMM 功能描述:PHASE NOISE (1 Hz BW, typical) |
| PSA24A-120 | 制造商:PHIHONG 制造商全稱:PHIHONG 功能描述:24 WATT - TWO WIRE UNIVERSAL INPUT |
| PSA24A-120(P) | 制造商:Phihong USA 功能描述:ADAPTER WALL 24W 12V |
| PSA24A-120(P)-R | 功能描述:插入式交流適配器 24W 12V 2A US Version RoHS:否 制造商:Phihong 地區(qū):Universal 安裝風格:Wall, Interchangeable Plug 輸入電壓范圍:90 VAC to 264 VAC 輸出端數(shù)量:1 輸出功率額定值:5 W 輸出電壓（通道 1）:5 V 輸出電流（通道 1）:1 A 直流輸出連接器:USB Type A 隨附/必需的交流插頭:Required 商用/醫(yī)用:Commercial 效率:Level V |
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