TC1044S Microchip Technology, TC1044S Datasheet - Page 7

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TC1044S

Manufacturer Part Number
TC1044S
Description
Charge Pump DC-TO-DC Voltage Converter
Manufacturer
Microchip Technology
Datasheet

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Charge Pump DC-TO-DC Voltage Converter
TYPICAL CHARACTERISTICS
© 2001 Microchip Technology Inc.
10 F
1000
C 1
800
600
400
200
12
10
8
6
4
2
0
-40
0
-40
+
Supply Current vs. Temperature
Unloaded Osc Freq vs. Temperature
Figure 10. Positive Voltage Conversion
-20
-20
1
2
3
4
(with Boost Pin = V
TC1044S
TEMPERATURE ( C)
0
0
TEMPERATURE ( C)
DS21348A
20
20
8
7
6
5
V OUT = –V –
1 M
40
40
V – INPUT
IN
60
60
)
V
V
V
V
IN
IN
IN
IN
= 12V
80
80
= 5V
= 12V
= 5V
+
10 F
100
100
7
101.0
100.5
100.0
V OUT =
R L1
V + –V –
R L2
99.5
99.0
98.5
98.0
60
50
40
30
20
10
2
0
Unloaded Osc Freq vs. Temperature
-40
1
+
50
2
F
Figure 11. Splitting a Supply in Half
-20
50 F
3
with Boost Pin = V
50
100
k
F
INPUT VOLTAGE V
Voltage Conversion
4
0
+
+
100
k
TEMPERATURE ( C)
5
20
6
1
2
3
4
TC1044S
7
40
IN
(V)
V
8
IN
IN
= 12V
60
Without Load
9
10K Load
TC1044S
8
7
6
5
TC1044S-12 9/16/96
V
IN
T
10
1 M
A
= 5V
80
= 25 C
11
V +
V –
100
12

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