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參數資料
| 型號： | MC33063AVPG |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | LEAD FREE, PLASTIC, DIP-8 |
| 文件頁數： | 8/13頁 |
| 文件大?。?/td> | 168K |
| 代理商： | MC33063AVPG |
MC34063A, MC33063A, NCV33063A
http://onsemi.com
8
1.25 V
Ref
Reg
V
out
12 V/100 mA
V
out
1.0 H
+
100
Optional Filter
8
7
R
sc
0.24
6
V
in
4.5 V to 6.0 V
100
+
5
R2
8.2 k
S
Q
R
Q2
Q1
I
pk
OSC
C
T
Comp.
R1
953
1
2
3
4
+
1500
pF
+
1N5819
1000 f
+
88 H
V
CC
C
O
L
Test
Conditions
Results
Line Regulation
V
in
= 4.5 V to 6.0 V, I
O
= 100 mA
3.0 mV =
±
0.012%
Load Regulation
V
in
= 5.0 V, I
O
= 10 mA to 100 mA
0.022 V =
±
0.09%
Output Ripple
V
in
= 5.0 V, I
O
= 100 mA
500 mVpp
Short Circuit Current
V
in
= 5.0 V, R
L
= 0.1
910 mA
Efficiency
V
in
= 5.0 V, I
O
= 100 mA
62.2%
Output Ripple With Optional Filter
V
in
= 5.0 V, I
O
= 100 mA
70 mVpp
Figure 12. Voltage Inverting Converter
13a. External NPN Switch
13b. External PNP Saturated Switch
8
7
6
V
in
1
2
V
out
8
7
6
V
in
1
2
V
out
Figure 13. External Current Boost Connections for I
C
Peak Greater than 1.5 A
3
4
+
3
4
+
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