TYPICAL APPLICATION CIRCUITS
Step-Up Converter
I L 34063A
L1
170µH
R3
180Ω
VIN
12V
RSG
0.22Ω
C2
+
100 µF
8
DRC
1
SWC
7
Ipk
2
SWE
6 Vcc
TC 3
5
Cll
4
GND
34063A/E
C3
1.5nF
D1
BYV10-40
VOUT
R1
2.2kΩ
R2
47kΩ
C3
+
330µF
Test Condition (VOUT = 28 V)
Test
Conditions
Line Regulation
Load Regulation
Output Ripple
Efficiency
VIN = 8 to 16 V, IO = 175 mA
VIN = 12 V, IO = 75 to 175 mA
VIN = 12 V, IO = 175 mA
VIN = 12 V, IO = 175 mA
Value (Typ)
Unit
30
mV
10
mV
300
mV
89
%
2011, February, Rev. 02