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參數(shù)資料
| 型號： | PQ1CY1032Z |
| 廠商： | Sharp Corporation |
| 英文描述： | TO-263 Surface Mount Type Chopper Regulator |
| 中文描述： | TO - 263表面安裝型斬波調(diào)壓 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 86K |
| 代理商： | PQ1CY1032Z |
PQ1CY1032Z
I
Precautions for Use
1. External connection
(1) Wiring condition is very important. Noise associated with wiring inductance may cause problems.
For minimizing inductance, it is recommended to design the thick and short pattern (between large current diodos, input/output
capacitors, and terminal 1,2.) Single-point grounding (as indicated) should be used for best results.
(2) High switching speed and low forward voltage type schottky barrier diode should be recommended for the catch-diode D
because it affects the efficiency. Please select the diode which the current rating is at least 1.2 times greater than maximum
swiching current.
(3) The output ripple voltage is highly influenced by ESR (Equivalent Series Resistor) of output capacitor, and can be minimized by
selecting Low ESR capacitor.
(4) An inductor should not be operated beyond its maximum rated current so that it may not saturate.
(5) When voltage that is higher than V
IN
, is applied to V
OUT
, there is the case that the device is broken. Especially, in case
V
IN
is shorted to GND in normal condition, there is the case that the device is broken since the charged electric charge in
output capacitor (C
O
) flows into input side. In such case a schottly barrier diode or a silicon diode shall be recommended to
connect as the following circuit.
4
2
5
3
1
R
1
R
2
V
O
Load
L
C
O
C
S
C
IN
V
IN
D
PQ1CY1032Z
+
+
1
2
PQ1CY1032Z
Fig.17 Polarity Inversion Type Circuit Diagram
1
2
L
D
5
3
4
PQ1CY1032Z
R
1
1k
R
2
3k
C
O
C
IN
220
μ
F
V
IN
V
O
5V
+
+
65
μ
H
2 200
μ
F
5 to 30V
ON/OFF control signal
Load
C
S
R
S
1
2
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PQ1CY1032Z_1 | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:TO-263 Surface Mount Type Chopper Regulator |
| PQ1CY1032ZP | 制造商:Sharp Microelectronics Corporation 功能描述:Swithed-Mode Power Supply Controller, Voltage Mode Type, 5 Pin, Plastic, SIP |
| PQ1CY1032ZPH | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 40V 3.5A 150kH RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PQ1CY1032ZSERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CHOPPER REGULATOR |
| PQ1CY1032ZXH | 制造商:SHARP 制造商全稱:Sharp Electrionic Components 功能描述:To-263 Surface Mount Type Chopper Regulator |
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