SS6652CSTR 查看數據表（PDF） - Silicon Standard Corp.
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SS6652CSTR Datasheet PDF : 6 Pages
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SS6652
n TYPICAL PERFORMANCE CHARACTERISTICS
350
300
250
200
150
100
50
0
2
3
4
5
6
7
VIN (V)
Fig. 1 VREF Source Current vs. VIN
150
130
110
90
TA=25°C
TA=0°C
70
TA=70°
50
C
2
3
4
5
6
VIN (V)
Fig. 3 Frequency vs. VIN Voltage
1.5
1
0.5
0
8
1
2
3
4
5
6
7
8
VIN (V)
Fig. 2 Shutdown Current vs. VIN
100
95
90 TA=25°C
85
TA=0°C
TA=70°C
80
7
2
3
4
5
VIN (V)
6
7
Fig. 4 Duty Cycle vs. VIN Voltage
n BLOCK DIAGRAM
1
VIN
2
VREF
3
SHDN
4
FB
PFM
OSCILLATOR
CURRENT LIMIT
COMPARATOR
+
-
LATCH
V IN
70mV
V IN
8
CL
7
DHI
1.22V
REFERENCE
VOLTAGE
OUTPUT DRIVER
6
DLOW
+
-
ERROR COMPARATOR
5
GND
Rev.2.01 6/26/2003
www.SiliconStandard.com
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