PL34063AP8 Datasheet, PDF (5/7 Pages) Cystech Electonics Corp. – DC-to-DC Converter Control Circuit

CYStech Electronics Corp.
Application Information (Continued)
Fig.5 Step-Down Converter With External PNP Saturation Switch
Spec. No. : C501P8
Issued Date : 2003.03.21
Revised Date :
Page No. : 5/7
RSC
Vin
PL34063A
8
1
7
2
6
3
5
4
C1
RB
RA
R1
R2
CT
Q1
L1
D1
Vout
Cout
Fig.6 Voltage Inverting Converter
Vin
4.5V-6V
RSC
0.25Ω
PL34063A
8
1
7
2
6
3
5
4
D1
1N5819
CT
680ρF
L1
100µH
Vout
-12V / 100mA
Cout
470µF
C1
100µF
RA
RB
8.2kΩ
953Ω
Line Regulation : 20mV (Vin=4.5V~6V, @Io=100mA)
Load Regulation : 100mV (Vin=5V, @Io=10mA~100mA)
Fig.7 Voltage Inverting Converter With External PNP Saturation Switch
PL34063A
R2
R1
8
1
Q1
RSC
7
2
Vin
6
3
L1
5
4
CT
RA
C1
RB
D1
Vout
Cout
PL34063AP8
CYStek Product Specification