MC34700EP 查看數據表（PDF） - Freescale Semiconductor
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MC34700EP Datasheet PDF : 28 Pages
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PIN CONNECTIONS
ELECTRICAL PERFORMANCE CURVES
ELECTRICAL PERFORMANCE CURVES
CH1 Efficiency (3.36VOUT)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0
0.2
0.4
0.6
0.8
1
CH1 Iout (A)
1.2
1.4
1.6
Figure 1. Typical CH1 Efficiency
9VIN
11VIN
13VIN
15VIN
17VIN
18VIN
0.96
0.94
0.92
0.9
0.88
0.86
0.84
0.82
0.8
0.78
0.76
0
CH2 Efficiency (2.49VOUT)
0.2
0.4
0.6
0.8
1
1.2
1.4
CH2 Iout (A)
Figure 2. Typical CH2 Efficiency
3.5VIN
4.5VIN
5.5VIN
6VIN
CH3 Efficiency (1.28VOUT)
0.96
0.94
0.92
0.9
0.88
0.86
0.84
3VIN
4VIN
5VIN
6VIN
0.82
0.8
0.78
0.76
0
0.2
0.4
0.6
0.8
1
1.2
1.4
CH3 Iout (A)
Figure 3. Typical CH3 Efficiency
LDO Efficiency (0.89VOUT)
0.7
0.65
0.6
0.55
0.5
1.5VIN
1.6VIN
1.7VIN
1.8VIN
0.45
0.4
0
0.1
0.2
0.3
0.4
0.5
LDO Iout (A)
Figure 4. Typical LDO Efficiency
CH1 Loop Response
60
180
135
40
Phase
90
20
45
0
0
-45
-20
-90
-40
-135
-60
100.0E+0
1.0E+3
10.0E+3
Frequency (Hz)
100.0E+3
-180
1.0E+6
Figure 5. CH1 Loop Response - Application Example
CH2 Loop Response
60
180
Phase
135
40
90
20
45
0
0
-45
-20
-90
-40
-135
-60
100.0E+0
1.0E+3
10.0E+3
Frequency (Hz)
100.0E+3
-180
1.0E+6
Figure 6. CH2 Loop Response - Application Example
34700
10
Analog Integrated Circuit Device Data
Freescale Semiconductor
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