PL34063AP8 Datasheet, PDF (4/7 Pages) Cystech Electonics Corp. – DC-to-DC Converter Control Circuit

Spec. No. : C501P8
Issued Date : 2003.03.21
CYStech Electronics Corp.
Revised Date :
Page No. : 4/7
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Application Information (Continued)
Fig.2 Step-Up Converter
R1
150Ω
RSC
0 22Ω
Vin
C1
100µF
RA
2.2kΩ
L1
200µH
PL34063A
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
PL34063A
8
1
7
2
6
3
5
4
RB
R2
CT
D1
Q1
Vout
Cout
Fig.4 Step-Down Converter
PL34063A
L1
200µH
Vout
5V / 500mA
8
1
RSC
Cout
0.25Ω
7
2
D1
470µF
Vin
6
3
1N5819
CT
5
4
470ρF
C1
100µF
RB
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)
PL34063AP8
CYStek Product Specification