Diodes AP34063 - Manual (Page 2)

AP34063
Document number: DS31004 Rev. 6 - 2
2 of 11
www.diodes.com
September 2012
© Diodes Incorporated
AP34063
Typical Applications Circuit
(1) Step-Up Converter
1.25V
Ref
Reg
I pk
C T
R
S Q
Q2
Q1
Comp.
+
_
8
7
6
5
1
2
3
4
V CC
Osc
180
+
470
uF
V in
12V
R sc
0.24
R1 10k 56k
R2
+
C O
28V/200mA
V out
+
100
V out
Optional Filter
L
120uH
C T
680
pF
B240
470uF
1.0uH
Test Conditions Results
Line Regulation V
IN
= 9V to 12V, I
O
= 200mA 20mV = ±0.035%
Load Regulation V
IN
= 12V, I
O
= 50mA to 200mA 15mV = ±0.035%
Output Ripple V
IN
= 12V, I
O
= 200mA 500mV
PP
Efficiency V IN = 12V, I O = 200mA 80%