MC33163 查看數據表（PDF） - Motorola => Freescale
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MC33163 Datasheet PDF : 16 Pages
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MC34163 MC33163
Figure 24. Voltage–Inverting Converter
RSC
8
0.25 V
+–
Current
Limit
+
Vin
12 V
0.075
Cin
+7
+
330
CT
470 pF
6 Oscillator
R
5
Q
Thermal
S
Latch
4
+
9
10
Q1
11
Q2
12
60
13
Coilcraft LO451–A
3
2
+
1
+
–
LVI
45 k
+
+
+
–
Feedback
Comparator
1.25 V 15 k
2.0 mA
+
1.125 V
7.0 V
+
14
15
0.02
16
L
180 µH
RB
CB
1N5822
R2
8.2 k
R1
953
(Bottom View)
2200 + CO
Vout
– 12 V/1.0 A
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency, Without Bootstrap
Efficiency, With Bootstrap
Condition
Vin = 9.0 V to 16 V, IO = 1.0 A
Vin = 12 V, IO = 0.6 A to 1.0 A
Vin = 12 V, IO = 1.0 A
Vin = 12 V, RL = 0.1 Ω
Vin = 12 V, IO = 1.0 A
Vin = 12 V, IO = 1.0 A
Results
5.0 mV = ± 0.02%
2.0 mV = ± 0.01%
130 mVpp
3.2 A
73.1%
77.5%
Figure 25. External Current Boost Connections for Ipk (Switch) Greater Than 3.4 A
Figure 25A. External NPN Switch
Figure 25B. External PNP Saturated Switch
8
9
7
+
6
5
10
Q1 11
Q2
12
4
+
13
3
14
2
15
Q3
1
16
+
(Bottom View)
8
7
+
6
5
4
3
2
1
9
Q3
10
Q1 11
Q2
12
+
13
14
15
16
+
(Bottom View)
12
MOTOROLA ANALOG IC DEVICE DATA
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