MC34063A View Datasheet(PDF) - Analog Intergrations
Part Name
Description
Manufacturer
MC34063A Datasheet PDF : 10 Pages
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MC34063A
n APPLICATION EXAMPLES
RS
0.25
VIN
10~20V
+
C1
100µF
8 DRI
7 IPK
6
VCC
5
FB
SC 1
SE 2
3
TC
4
GND
MC34063A
200µH
L
+
D1
1N5821
CO
470µF
VOUT
5V/500mA
470pF
CT
RB
3K6
RA
1K2
Line Regulation
Load Regulation
Short Circuit Current
VIN = 10V ~20V @ IO=500mA
VIN = 15V, @ IO=10mA ~ 500mA
VIN =15V, @ RL = 0.1Ω
Fig. 1 Step-Down Converter
40mV
5mV
1.3A
RS
VIN
0.22
10~22V
+
C1
100µF
8 DRI
7 IPK
6 VCC
5 FB
SC 1
2
SE
3
TC
4
GND
MC34063A
R1
1K
R2
Q1
470
200µH
D1
CT
470pF
L
1N5821
+
Co
470µF
VOUT
5V/500mA
RA
RB
1K2
3K6
Fig. 2 Step-Down Converter with External PNP Saturation Switch
7
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