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MC34063A PDF预览

MC34063A

更新时间: 2024-02-16 22:06:53
品牌 Logo 应用领域
安森美 - ONSEMI 转换器
页数 文件大小 规格书
12页 203K
描述
DC-to-DC CONVERTER CONTROL CIRCUITS

MC34063A 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:15 weeks风险等级:0.66
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE最大输入电压:40 V
最小输入电压:3 V标称输入电压:5 V
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
最大输出电流:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:4.8 mm子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:BOOST
最大切换频率:100 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Matte Tin (Sn) - annealed
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

MC34063A 数据手册

 浏览型号MC34063A的Datasheet PDF文件第6页浏览型号MC34063A的Datasheet PDF文件第7页浏览型号MC34063A的Datasheet PDF文件第8页浏览型号MC34063A的Datasheet PDF文件第10页浏览型号MC34063A的Datasheet PDF文件第11页浏览型号MC34063A的Datasheet PDF文件第12页 
MC34063A MC33063A  
Figure 14. Design Formula Table  
Step–Down  
Calculation  
/t  
Step–Up  
Voltage–Inverting  
t
V
V
V
V
V
|V  
V
|
V
on off  
out  
out  
out  
in  
F
in(min)  
F
F
V
V
V
V
V
V
sat  
out  
sat  
in(min)  
sat  
in(min)  
(t + t  
on off  
)
1
f
1
f
1
f
t
t
t
t
t
t
t
off  
on  
t
on  
on  
t
off  
1
off  
off  
1
t
on  
on  
on  
1
t
t
t
off  
off  
off  
(t + t ) – t  
off  
t
on  
(t + t ) – t  
on off  
(t + t ) – t  
on off  
off  
off  
on off  
–5  
4.0 x 10  
–5  
4.0 x 10  
–5  
4.0 x 10  
C
t
t
t
on  
T
on  
on  
I
pk(switch)  
t
t
on  
off  
on  
off  
2I  
2I  
1
2I  
1
out(max)  
out(max)  
out(max)  
t
t
R
0.3/I  
pk(switch)  
0.3/I  
0.3/I  
pk(switch)  
sc  
pk(switch)  
L
(min)  
(V  
V
)
(V  
V
V
)
(V  
V
)
sat  
sat  
out  
sat  
in(min)  
I
in(min)  
I
in(min)  
I
t
t
t
on(max)  
on(max)  
on(max)  
pk(switch)  
pk(switch)  
pk(switch)  
I
C
O
I
out  
9
t
I
(t  
t
)
t
on  
on  
on  
out  
pk(switch)  
8V  
off  
9
V
V
ripple(pp)  
ripple(pp)  
ripple(pp)  
V
V
= Saturation voltage of the output switch.  
= Forward voltage drop of the output rectifier.  
sat  
F
The following power supply characteristics must be chosen:  
V
V
– Nominal input voltage.  
– Desired output voltage,  
– Desired output current.  
in  
out  
out  
R2  
R1  
|V  
|
1.25 1  
out  
I
f
V
– Minimum desired output switching frequency at the selected values of V and I .  
min  
ripple(pp)  
in  
O
– 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.  
V
ripple(pp)  
NOTE: For further information refer to Application Note AN920A/D and AN954/D.  
9
MOTOROLA ANALOG IC DEVICE DATA  

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