TC7660S 查看數據表（PDF） - TelCom Semiconductor Inc => Microchip
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TC7660S Datasheet PDF : 8 Pages
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SUPER CHARGE PUMP DC-TO-DC
VOLTAGE CONVERTER
1
TC7660S
C1 +
10µF
VOUT = –V–
1
8
2
7
3 TC7660S 6
4
5
1 MΩ
V– INPUT
+
10µF
Figure 10. Positive Voltage Multiplier
TYPICAL CHARACTERISTICS
Unloaded Osc Freq vs. Temperature
12
10
8
6
VIN = 5V
4
VIN = 12V
2
0-40 -20 0
20 40 60 80 100
TEMPERATURE (°C)
Supply Current vs. Temperature
(with Boost Pin = VIN)
1000
800
600
VIN = 12V
400
200
VIN = 5V
0-40 -20
0
20 40 60
TEMPERATURE (°C)
80 100
TELCOM SEMICONDUCTOR, INC.
+
RL1
50µF
VOUT =
V + –V –
2
RL2
50µF
+
–
100 kΩ
+
50µF
–
V+
1
8
2
7
1 MΩ
3 TC7660S 6
4
5
V–
2
3
Figure 11. Splitting a Supply in Half
4
Unloaded Osc Freq vs. Temperature
with Boost Pin = VIN
60
50
40
VIN = 5V
5
30
VIN = 12V
20
10
0-40 -20
0
20 40 60
TEMPERATURE (°C)
6 80 100
Voltage Conversion
101.0
100.5
100.0
99.5
99.0
Without Load
7
10K Load
98.5
TA = 25°C
98.01 2 3 4 5 6 7 8 9 10 11 12
8
INPUT VOLTAGE VIN (V)
4-75
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