TC1044S View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
TC1044S Datasheet PDF : 11 Pages
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Charge Pump DC-TO-DC Voltage Converter
C1 +
10µF
VOUT = –V–
1
8
2
7
TC1044S
3
6
1 MΩ
+
10µF
4
5
V– INPUT
Figure 10. Positive Voltage Conversion
TC1044S
V+
+
RL1
50 µF
1
8
VVO+U–TV=–
2
+
50
µF
RL2
2
7
TC1044S
1 MΩ
3
6
100
kΩ
100
kΩ
4
5
50 +
µF
V–
Figure 11. Splitting a Supply in Half
TYPICAL CHARACTERISTICS
Unloaded Osc Freq vs. Temperature
12
10
8
6
VIN = 5V
4
VIN = 12V
2
0-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
Unloaded Osc Freq vs. Temperature
with Boost Pin = VIN
60
50
40
VIN = 5V
30
VIN = 12V
20
10
0-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
Supply Current vs. Temperature
(with Boost Pin = VIN)
1000
800
600
VIN = 12V
400
200
0-40 -20 0
20 40
TEMPERATURE (°C)
© 2001 Microchip Technology Inc. DS21348A
VIN = 5V
60 80 100
7
Voltage Conversion
101.0
100.5
100.0
Without Load
99.5
10K Load
99.0
98.5
TA = 25°C
98.01 2 3 4 5 6 7 8 9 10 11 12
INPUT VOLTAGE VIN (V)
TC1044S-12 9/16/96
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