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參數(shù)資料
| 型號： | SP34063AEN |
| 英文描述： | 1.5A Buck/Boost/Inverting DC-DC Switching Regulator |
| 中文描述： | 1.5A降壓/升壓/負(fù)輸出DC - DC開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 114K |
| 代理商： | SP34063AEN |
5
Date: 1/11/05 SP34063A 1.5A Buck/Boost/Inverting DC-DC Switching Regulator Copyright 2005 Sipex Corporation
TYPICAL BOOST CONVERTER CIRCUIT
This is a typical boost converter configuration. In the steady state, if the resistor divider voltage at pin 5 is greater than
the voltage in the non-inverting input, which is 1.25V determined by the internal reference, the output of the
comparator will go low. At the next switching period, the output switch will not conduct and the output voltage will
eventually drop below its nominal voltage until the divider voltage at pin 5 is lower than 1.25. Then the output of the
comparator will go high, the output switch will be allowed to conduct. Since Vpin5 = V
OUT
*R2/(R1+R2) = 1.25(V), The
output voltage can be decided by V
OUT
= 1.25V*(R1+R2)/R2(V).
S
Q
R
B
A
Ipk
OSC
CT
+
-
Regulator
5
8
4
1
2
3
L2 1.0
μ
H
VOUT
Optional
Filter
C3
100
μ
F
C2
330
μ
F
VOUT
28V/175mA
R1 47k
R2 2.2k
C1
100
μ
F
V
IN
= 12V
RSC
0.22
R3 180
L1 150
μ
H
D1
1N5819
+
6
7
CT
1500 pF
+
+
SP34063A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP34063AEN/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1.5A Buck/Boost/Inverting DC-DC Switching Regulator |
| SP34063AEN-L | 功能描述:DC/DC 開關(guān)控制器 Boost/Buck 4000 IQ temp -40C to 85C RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SP34063AEN-L/TR | 功能描述:DC/DC 開關(guān)控制器 1.5A Boost/Buck/ Inverting Regulator RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| SP34063AEN-TR | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.5A Buck/Boost/Inverting DC-DC Regulator |
| SP3406S25RGB | 制造商:SYNC-POWER 制造商全稱:SYNC-POWER 功能描述:600mA Buck Converter |
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