MC33680(2000) Ver la hoja de datos (PDF) - ON Semiconductor
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MC33680 Datasheet PDF : 16 Pages
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MC33680
DYNAMIC ELECTRICAL CHARACTERISTICS (Refer to TIMING DIAGRAMS, TA = 0 to 70°C unless otherwise noted.)
Rating
Symbol
Min
Typ
Max
Unit
Minimum PORB to Control delay
tPORC
500
nS
Figure 4. Efficiency of VMAIN versus Output
Current (VMAIN = 3.3 V, L = 33 uH, Various VIN)
90%
Figure 5. Efficiency of VMAIN versus Input
Voltage (VMAIN = 3.3 V, L1 = 33 uH, Various IOUT)
90%
85%
85%
80%
75%
70%
0
Vin = 3V
Vin = 1.8V
Vin = 1.5V
Vin = 1V
10 20 30 40 50 60 70 80 90 100
IOUT_MAIN, MAIN OUTPUT CURRENT (mA)
80%
75%
70%
1
Iout = 10mA
Iout = 60mA
Iout = 100mA
1.5
2
2.5
3
VIN, INPUT VOLTAGE (V)
Figure 6. Efficiency of VAUX versus Output
Current (VAUX = 25 V, L2 = 33 uH, Various VIN)
80%
75%
70%
65%
60%
55%
50%
1
Vin = 3V
Vin = 1.8V
Vin = 1.5V
Vin = 1V
3
5
7
9
11
13
15
IOUT_AUX, AUX OUTPUT CURRENT (mA)
Figure 7. Efficiency of VAUX versus Input
Voltage (VAUX = 25 V, L2 = 33 uH, Various IOUT)
80%
75%
70%
65%
60%
55%
50%
1
Iout = 1mA
Iout = 5mA
Iout = 10mA
Iout = 15mA
1.5
2
2.5
3
VIN, INPUT VOLTAGE (V)
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