參數(shù)資料
型號: MC33063A
廠商: ON SEMICONDUCTOR
英文描述: DC-to-DC Converter Control Circuits
中文描述: 型DC - DC轉(zhuǎn)換器控制電路
文件頁數(shù): 5/16頁
文件大小: 149K
代理商: MC33063A
MC34063A, MC33063A
http://onsemi.com
5
170
μ
H
L
8
180
7
R
sc
0.22
6
V
in
12 V
100
+
5
R1
2.2 k
R2
47 k
S
Q
R
Q2
Q1
I
pk
Osc
C
T
V
CC
+
-
Comp.
1.25 V
Ref
Reg
1
2
3
4
1N5819
C
T
1500
pF
330
C
O
+
V
out
28 V/175 mA
V
out
1.0
μ
H
+100
Optional Filter
Test
Conditions
Results
Line Regulation
V
in
= 8.0 V to 16 V, I
O
= 175 mA
30 mV =
±
0.05%
Load Regulation
V
in
= 12 V, I
O
= 75 mA to 175 mA
10 mV =
±
0.017%
Output Ripple
V
in
= 12 V, I
O
= 175 mA
400 mVpp
Efficiency
V
in
= 12 V, I
O
= 175 mA
87.7%
Output Ripple With Optional Filter
V
in
= 12 V, I
O
= 175 mA
40 mVpp
Figure 7. Step–Up Converter
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