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TCM828 Datasheet(PDF) 6 Page - Microchip Technology

Part No. TCM828
Description  Switched Capacitor Voltage Converters
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Maker  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
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TCM828 Datasheet(HTML) 6 Page - Microchip Technology

   
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6
TCM828/829-4
5/22/00
Switched Capacitor
Voltage Converters
TCM828
TCM829
© 2001 Microchip Technology Inc.
DS21488A
TYPICAL CHARACTERISTICS
Circuit of Figure 3, VIN = +5V, C1 = C2 = C3, TA = +25°C, unless otherwise noted.
60
50
40
30
20
0
10
1.5
2.5
3.5
4.5
SUPPLY VOLTAGE (V)
Output Resistance
vs. Supply Voltage
70
40
35
30
25
20
5
0
15
10
0
10
20
30
40
CAPACITANCE (
µF)
TCM828
Output Current vs. Capacitance
70
60
50
40
30
0
20
10
–40
°C
0
°C
25
°C85°C
TEMPERATURE (
°C)
Output Resistance
vs. Temperature
80
VIN = 1.5V
V
IN = 4.75V, VOUT = – 4.0V
V
IN = 3.15V, VOUT = – 2.5V
V
IN = 1.9V, VOUT = –1.5V
VIN = 3.3V
VIN = 5.0V
35
30
25
20
5
0
15
10
0
10
5
15
20
25
35
30
CAPACITANCE (
µF)
TCM829
Output Current vs. Capacitance
40
0
10
515
20
30
35
CAPACITANCE (
µF)
TCM829
Output Voltage Ripple vs. Capacitance
450
300
250
200
150
100
50
0
400
350
300
250
50
0
200
150
100
0
10
525
20
25
30
35
CAPACITANCE (
µF)
TCM828
Output Voltage Ripple vs. Capacitance
14
12
10
8
2
0
6
4
–40
0
°C25°C85°C
–40
°C0°C25°C85°C
TEMPERATURE (
°C)
TCM828
Pump Frequency vs. Temperature
100
80
60
40
20
0
1.5
2.5
3
2
3.5
4
4.5
5
5.5
SUPPLY VOLTAGE (V)
Supply Current
vs. Supply Voltage
120
TCM829
TCM828
40
30
35
20
15
25
0
10
5
TEMPERATURE (
°C)
TCM829
Pump Frequency vs. Temperature
45
TCM829
TCM828
V
IN = 4.75V, V
= – 4.0V
V
IN = 1.9V, VOUT = – 1.5V
V
IN = 3.15V, V
= – 2.5V
V
IN = 4.75V, VOUT = – 4.0V
V
IN = 3.15V, VOUT = – 2.5V
V
IN = 1.9V, VOUT = – 1.5V
V
IN = 4.75V, VOUT = – 4.0V
V
IN = 3.15V, VOUT = – 2.5V
V
IN = 1.9V, VOUT = – 1.5V
V
IN = 5.0V
V
IN = 5.0V
V
IN = 3.3V
V
IN = 3.3V
V
IN = 1.5V
V
IN = 1.5V


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