MC34063AQ8 Просмотр технического описания (PDF) - Cystech Electonics Corp.
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производитель
MC34063AQ8 Datasheet PDF : 7 Pages
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CYStech Electronics Corp.
Spec. No. : C501Q8
Issued Date : 2003.03.21
Revised Date :2005.06.02
Page No. : 4/7
Application Information (Continued)
Fig.2 Step-Up Converter
RSC
0.22Ω
Vin
R1
150Ω
C1
100µF
RA
2.2kΩ
L1
200µH
MC34063A
8
1
7
2
6
3
5
4
RB
47kΩ
D1
1N5819
CT
680ρF
Vout
28V / 200mA
Cout
220µF
Line Regulation : 100mV (Vin=8V~16V, @Io=200mA)
Load Regulation : 5mV (Vin=12V, @Io=80mA~200mA)
Fig.3 Step-Up Converter With External NPN Switch
L1
R1
RSC
Vin
C1
RA
MC34063A
8
1
7
2
6
3
5
4
RB
R2
CT
D1
Q1
Vout
Cout
Fig.4 Step-Down Converter
MC34063A
L1
200µH
Vout
5V / 500mA
RSC
0.25Ω
Vin
C1
100µF
8
1
7
2
6
3
5
4
RB
CT
470ρF
D1
1N5819
Cout
470µF
RA 3.6kΩ
1.2kΩ
Line Regulation : 40mV (Vin=10V~20V, @Io=500mA)
Load Regulation : 5mV (Vin=15V, @Io=10mA~500mA)
Short Circuit Current : 1.3A (Vin=15V, @RL=0.1Ω)
MC34063AQ8
CYStek Product Specification
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