SS6620 データシートの表示（PDF） - Silicon Standard Corp.
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SS6620 Datasheet PDF : 12 Pages
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SS6620/21/2
n TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
100
90
80
VIN=2.4V
70
V IN=1.2V
60
50
40
0.01
0.1
1
10
100
1000
Loading (mA)
Fig. 3 VOUT=3.3V CLSEL=GND (0.45A)
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
1.0
1.5
2.0
2.5
3.0
3.5
4.0
VOUT (V)
Fig. 5 Shutdown Current vs. VOUT
800
700 VOUT=3.3V
600
CLSEL=OUT
500
400
300
200
CLSEL=GND
100
0
1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
Input Voltage (V)
Fig. 7 Maximum Output Current vs. Input Voltage
1.8
1.6
1.4
1.2
1.0
Without Diode
0.8
0.6
0.4
With Diode
0.2
0.00.01
0.1
1
10
100
Load Current (mA)
Fig. 4 Start-up Voltage vs. Load Current
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Output Voltage (V)
Fig. 6 Shutdown Threshold vs. Output Voltage
LX pin waveform
VOUT AC Couple
Inductor Current
VIN=2.4V
VOUT=3.3V
Fig. 8 Heavy Load Waveform
Rev.2.01 6/06/2003
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