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参数资料
| 型号： | TCM829ECTRT |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 54.3 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件页数： | 6/9页 |
| 文件大小： | 71K |
| 代理商： | TCM829ECTRT |
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
OUTPUT
RESISTANCE
(
)
40
35
30
25
20
5
0
15
10
0
10
20
30
40
CAPACITANCE (
F)
TCM828
Output Current vs. Capacitance
OUTPUT
CURRENT
(mA)
70
60
50
40
30
0
20
10
–40
°C
0
°C
25
°C85°C
TEMPERATURE (
°C)
Output Resistance
vs. Temperature
80
OUTPUT
RESISTANCE
(
)
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 (
F)
TCM829
Output Current vs. Capacitance
40
OUTPUT
CURRENT
(mA)
0
10
515
20
30
35
CAPACITANCE (
F)
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 (
F)
TCM828
Output Voltage Ripple vs. Capacitance
OUTPUT
VOLTAGE
RIPPLE
(mVp-p)
OUTPUT
VOLTAGE
RIPPLE
(mVp-p)
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
PUMP
FREQUENCY
(kHz)
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
SUPPLY
CURRENT
(
A)
TCM829
TCM828
40
30
35
20
15
25
0
10
5
TEMPERATURE (
°C)
TCM829
Pump Frequency vs. Temperature
45
PUMP
FREQUENCY
(kHz)
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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