H34063A Datasheet, PDF (5/7 Pages) Hi-Sincerity Mocroelectronics – DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES

HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200407
Issued Date : 2003.04.01
Revised Date : 2005.03.25
Page No. : 5/7
Fig.5 Step-Down Converter With External PNP Saturation Switch
RSC
Vin
H34063A
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
0.25
H34063A
8
1
7
2
6
3
5
4
D1
H1N5819
CT
680pF
L1
100uH
Vout
-12V / 100mA
Cout
470uF
C1
100uF
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
H34063A
RSC
8
1
7
2
Vin
6
3
5
4
RA
C1
RB
R2
R1
Q1
L1
CT
D1
Cout
Vout
H34063AP, H34063AS
HSMC Product Specification