mc34063a-s08-t Unisonic Technologies, mc34063a-s08-t Datasheet - Page 6

• Manufacturer Part Number: mc34063a-s08-t
• Description: Variable Frequency Dc-dc Converter Controller Ic For Step-up Or Step-down Voltage Converter
• Manufacturer: Unisonic Technologies

MC34063A
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
STEP-DOWN CONVERTER(Cont.)
V
IN
R
25V
SC
UNISONIC TECHNOLOGIES CO., LTD
0.33
www.unisonic.com.tw
+
R
100
Test
1
1.2k
8
7
6
5
V
3.6k
CC
R
2
+
-
I
Comp.
PK
O
SC
S Q
R
C
V
V
V
V
V
V
T
IN
IN
IN
IN
IN
IN
R
1.25V
= 15V ~ 25V, I
= 25V, I
= 25V, I
= 25V, R
= 25V, I
= 25V, I
EF
Q2
R
EG
Q1
OUT
OUT
OUT
OUT
L
= 0.1Ω
1N5819
C
= 50mA ~ 500mA
= 500mA
= 500mA
= 500mA
Conditions
470pF
1
2
3
4
T
470
OUT
L
= 500mA
+
C
LINEAR INTEGRATED CIRCUIT
O
220μH
V
5.0V/500mA
OUT
12mV = ±0.12%
3.0mV = ±0.03%
120mVp-p
1.1A
83.7%
40mVp-p
1.0μH
Optional Filter
Results
+
100
QW-R103-008,G
V
OUT
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