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參數(shù)資料
| 型號： | MC33063ADR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大小： | 168K |
| 代理商： | MC33063ADR2G |
MC34063A, MC33063A, NCV33063A
http://onsemi.com
10
Calculation
StepUp
StepDown
VoltageInverting
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 peaktopeak 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 15. Design Formula Table
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33063ADR2G-CUT TAPE | 制造商:ON 功能描述:MC33063A Series 40V 1.5 A 100 kHz Step-Up / Down / Inverting Switching Regulator |
| MC33063ADRE4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5-A Peak Boost/ Buck/Inverting Swit 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 |
| MC33063ADRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Peak Boost/Buck Inverting Sw Reg 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 |
| MC33063ADRJR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5-A Peak Boost/ Buck/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 |
| MC33063ADRJRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A Peak Boost/Buck Inverting Sw Reg 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 |
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