UC33063A
LINEAR INTEGRATED CIRCUIT
STEP-UP CONVERTER
170μH
L
8
7
1
2
180
S Q
R
Q2
Q1
1N5819
IPK
CT
RSC 0.22
VIN12V
OSC
3
CT
6
5
VCC
+
100
1.25V
REF REG
+
-
Comp.
1500pF
4
1.0μH
R2
47k
VOUT
28V/175mA
VOUT
+
+
R1 2.2k
100
330
CO
Optional Filter
Results
Test
Conditions
Line Regulation
Load Regulation
Output Ripple
Efficiency
VIN = 8.0V ~ 16V, IOUT = 175mA
VIN = 12V, IOUT = 75mA ~ 175mA
VIN = 12V, IOUT = 175mA
30mV = ±0.05%
10mV = ±0.017%
400mVp-p
87.7%
VIN = 12V, IOUT = 175mA
Output Ripple With Optional Filter
VIN = 12V, IOUT = 175mA
40mVp-p
UNISONIC TECHNOLOGIES CO., LTD
5 of 10
www.unisonic.com.tw
QW-R103-044.B
UTC [ Unisonic Technologies ]
