AIC1652 データシートの表示（PDF） - Analog Intergrations
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AIC1652 Datasheet PDF : 6 Pages
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AIC1652
MICROPOWER INVERTING DC/DC CONVERTER
SPEC NO: DS-1652-02 DEC 27, 00
n TYPICAL PERFORMANCE CHARACTERISTICS
V REF Source Current vs VIN
350
1.5
Shutdown Current vs VIN
300
250
1
200
150
0.5
100
50
0
2
3
4
5
6
7
8
VIN (V)
01
2
3
4
5
6
7
8
VIN (V)
Frequency vs VIN Voltage
150
Duty Cycle vs VIN Voltage
100
130
110
Ta=0°C
90
Ta=25°C
70
Ta=70 ° C
50
2
3
4
5
VIN (V)
6
7
95
Ta=25°C
90
85
Ta=0°C
Ta=70 ° C
80
2
3
4
5
VIN (V)
6
7
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
ANALOG INTEGRATIONS CORPORATION
www.analog.com.tw
4F, 9 Industry E. 9th Road, Science-based IndustrialPark,Hsinchu,Taiwan, R.O.C. TEL: (8863)577-2500 FAX:(8863)577-2510
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