MC33163DWR2 查看數據表（PDF） - ON Semiconductor
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MC33163DWR2 Datasheet PDF : 16 Pages
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MC34163, MC33163
RSC
8
0.25 V
+
−
+
Current
Limit
Vin
12 V
0.075
Cin + 7 +
330
6 Oscillator
CT
680 pF
5
R
Q
Thermal
S
Latch
4
+
9
10
Q1
11
Q2
12
60
13
Low Voltage
Indicator
Output
3
14
45 k
2
+
+
+
−
Feedback
Comparator
15
1
RLVI
1.0 k
+
+
−
LVI
1.25 V 15 k
+
1.125 V
2.0 mA
16
7.0 V
+
R1
2.2 k
R2
47 k
(Bottom View)
180 mH
L Coilcraft
LO451−A
1N5822
+ CO
330
Vout
28 V/600 mA
Test
Line Regulation
Load Regulation
Output Ripple
Efficiency
Condition
Vin = 9.0 V to 16 V, IO = 0.6 A
Vin = 12 V, IO = 0.1 A to 0.6 A
Vin = 12 V, IO = 0.6 A
Vin = 12 V, IO = 0.6 A
Figure 23. Step−Up Converter
Results
30 mV = ± 0.05%
50 mV = ± 0.09%
140 mVpp
88.1%
8
9
8
9
7
+
6
5
10
Q1 11
Q2
12
7
+
6
5
10
Q1 11
Q2
12
4
+
13
3
14
Q3
2
15
4
+
13
3
14 Q3
2
15
1
16
+
(Bottom View)
Figure 24A. External NPN Switch
1
16
+
(Bottom View)
Figure 24B. External PNP Saturated Switch
Figure 24. External Current Boost Connections for Ipk (Switch) Greater Than 3.4 A
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11
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