ML34063
ꢀ Step-Up Converter Application Circuit
170uH
180 ohm
8
1
DRIC
SC
Q
S
R
2
SE
7
3
Ipk
CT
IPK
CT
1500pF
Oscillator
0.22 ohm
6
VIN = 12V
100uF
VCC
1N5819
+
1.25V
+
Voltage Reference
Comparator
4
5
GND
1.0uH
CII
ML34063 (Bottom View)
VOUT =
VOUT
+
28V/175mA
+
47k ohm
2.2k ohm
Optional
Low Pass Filter
330uF
100uF
Test
Conditions
Results
Line Regulation
Load Regulation
Output Ripple
Efficient
Vin = 8.0V to 16V, IO = 175mA
30mV + 0.05%
10mV + 0.017%
400 mVpp
87.7%
Vin = 12V, IO = 75mA to 175mA
Vin = 12V, IO = 175mA
Vin = 12V, IO = 175mA
Output Ripple with Optional Filter
Vin = 12V, IO = 175mA
40 mVpp
P3/5
Rev B, June 2005
MINILOGIC [ MINILOGIC DEVICE CORPORATION LIMITED ]
