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參數(shù)資料
| 型號： | MC33063AVDR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | DC-to-DC Converter Control Circuits |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 149K |
| 代理商： | MC33063AVDR2 |
MC34063A, MC33063A
http://onsemi.com
10
Calculation
Step–Up
Step–Down
Voltage–Inverting
t
on
/t
off
Vout
VF
Vin(min)
Vsat
Vin(min)
Vout
VF
Vin(min)
Vsat
Vout
|Vout|
Vin
VF
Vsat
(t
on
+ t
off
)
1
f
1
f
1
f
t
off
ton
ton
toff
(t
on
+ t
off
) – t
off
4.0 x 10
–5
t
on
toff
1
ton
ton
toff
toff
1
ton
ton
toff
(t
on
+ t
off
) – t
off
4.0 x 10
–5
t
on
toff
1
t
on
(t
on
+ t
off
) – t
off
4.0 x 10
–5
t
on
C
T
I
pk(switch)
2Iout(max)
ton
toff
1
2Iout(max)
2Iout(max)
ton
toff
1
R
sc
0.3/I
pk(switch)
0.3/I
pk(switch)
0.3/I
pk(switch)
L
(min)
(Vin(min)
Ipk(switch)
Vsat)
ton(max)
(Vin(min)
Vsat
Vout)
Ipk(switch)
ton(max)
(Vin(min)
Ipk(switch)
Vsat)
ton(max)
C
O
9
Ioutton
Vripple(pp)
Ipk(switch)(ton
8Vripple(pp)
toff)
9
Ioutton
Vripple(pp)
V
sat
= Saturation voltage of the output switch.
V
F
= Forward voltage drop of the output rectifier.
The following power supply characteristics must be chosen:
V
in
– Nominal input voltage.
V
out
– Desired output voltage,
I
out
– Desired output current.
f
min
– Minimum desired output switching frequency at the selected values of V
in
and I
O
.
V
ripple(pp)
– Desired peak–to–peak output ripple voltage. In practice, the calculated capacitor value will need to be increased due to its
equivalent series
resistance and board layout. The ripple voltage should be kept to a low value since it will directly affect the
line and load regulation.
NOTE:
For further information refer to Application Note AN920A/D and AN954/D.
|V
out
|
1.25 1
R2
R1
Figure 14. Design Formula Table
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33063AVDR2G | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 1.5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC33063AVDR2G-CUT TAPE | 制造商:ON 功能描述:MC33063A Series 3 to 40 V 1.5 A Step-Up/Down Switching Regulator - SOIC-8 |
| MC33063AVP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 1.5A RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC33063AVPG | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 40V 1.5A Buck/Boost/Inverting RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| MC33063DFBCKGEVB | 功能描述:電源管理IC開發(fā)工具 MC33063 DFN SD DB RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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