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參數(shù)資料
| 型號(hào)： | MC34063ACS |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | Processor Supervisory Circuits with Power-Fail 8-SOIC -40 to 85 |
| 中文描述： | 直流/直流轉(zhuǎn)換器控制電路 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 1483K |
| 代理商： | MC34063ACS |
Calculation
Parameter
Step-Up
(Discontinuos mode)
V
out
+
V
F
V
in
(
min
)
V
in
(
min
)
V
sat
Step-Down
(Continuos mode)
V
out
+
V
F
V
in
(
min
)
V
sat
V
out
Voltage Inverting
(Discontinuos mode)
|
V
out
|
+
V
F
V
in
V
sat
t
on
/t
off
(t
on
+ t
off
)max
C
T
I
PK(switch)
R
SC
C
O
1/f
min
1/f
min
1/f
min
4.5x10
-5
t
on
2I
out(max)
[(t
on
/t
off
)+1]
0.3/I
PK(switch)
I
out
t
on
V
ripple
(
p
p
)
V
in
(
min
)
V
sat
I
PK
(
switch
)
4.5x10
-5
t
on
2I
out(max)
0.3/I
PK(switch)
I
PK
(
switch
)
(
t
on
+
t
off
)
8V
ripple
(
p
p
)
V
in
(
min
)
V
sat
V
out
I
PK
(
switch
)
4.5x10
-5
t
on
2I
out(max)
[(t
on
/t
off
)+1]
0.3/I
PK(switch)
I
out
t
on
V
ripple
(
p
p
)
V
in
(
min
)
V
sat
I
PK
(
switch
)
L(min)
t
on
(
max
)
t
on
(
max
)
t
on
(
max
)
NOTES:
V
sat
= Saturation voltage of the output switch
V
F
= Foward voltage drop of the output rectifier
THE FOLLOWING POWER SUPPLY CHARACTERISTICS MUST BE CHOSEN:
V
in
= Nominal input voltage
V
out
= Desired output voltage, |V
out
| = 1.25(1+R
2
/R
1
)
I
out
= Desired output current
f
min
= Minimum desired output switching frequency at the selected values of Vin and Io
V
ripple
= Desired peak to peak output ripple voltage. In practice, the calculaed capacitor value will and 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.
Step-up With External NPN Switch
MC34063A/E
9/15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC34063 | Processor Supervisory Circuits with Power-Fail 8-SOIC -40 to 85 |
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| MC34119 | LOW POWER AUDIO AMPLIFIER(低功耗音頻放大器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC34063AD | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5-A Boost/Buck Inverting Swtch 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 |
| MC34063A-D08-T | 制造商:Unisonic Technologies Co Ltd 功能描述:ELECTRONIC COMPONENT |
| MC34063ADE4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5-A Boost/Buck Inverting Swtch 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 |
| MC34063ADG | 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 |
| MC34063ADG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.5A 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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