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參數(shù)資料
| 型號(hào)： | MC34063AP1 |
| 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, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 1483K |
| 代理商： | MC34063AP1 |
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 |
|---|---|
| MC34063BDR2 | Processor Supervisory Circuits with Power-Fail 8-MSOP-PowerPAD -40 to 85 |
| MC34063AMR1 | DC-to-DC Converter Control Circuits |
| MC34063AMR2 | DC-to-DC Converter Control Circuits |
| MC34063AMEL | DC-to-DC Converter Control Circuits |
| MC34063AD | Processor Supervisory Circuits with Power-Fail 8-MSOP-PowerPAD -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC34063AP1G | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 40V 1.5A Buck/Boost/Inverting RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MC34063AP1G | 制造商:ON Semiconductor 功能描述:Power Supply IC Package/Case:8-PDIP |
| MC34063APE4 | 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 |
| MC34063APG | 制造商:WINGS 制造商全稱:Wing Shing Computer Components 功能描述:DC-TO-DC Converter Control Circuits |
| MC34063AQ8 | 制造商:CYSTEKEC 制造商全稱:Cystech Electonics Corp. 功能描述:DC-to-DC Converter Control Circuit |
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