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参数资料
| 型号： | TC1219ECHTR |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 20 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | EIAJ, SC-74, SOT-23A, 6 PIN |
| 文件页数： | 16/16页 |
| 文件大小： | 482K |
| 代理商： | TC1219ECHTR |
2002 Microchip Technology Inc.
DS21366B-page 9
TC1219/TC1220
5.0
TYPICAL CHARACTERISTICS
Circuit of Figure 4-3, VIN = +5V, C1 = C2 = C3, TA = 25°C unless otherwise noted.
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein are
not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
60
55
50
45
40
0
30
25
20
15
35
10
5
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
Output Resistance
vs. Supply Voltage
65
OUTPUT
RESISTANCE
(
)
TC1220
TC1219
CAPACITANCE (
F)
TC1220
Output Current vs. Capacitance
60
55
50
45
40
25
20
15
35
30
-40
-20
0
20
40
60
80
TEMPERATURE (
°C)
TC1219 Output Resistance
vs. Temperature
65
OUTPUT
RESISTANCE
(
)
VIN = 3.3V
VIN = 5.0V
40
35
30
25
20
5
0
15
10
0
10
5
15
25
20
30
45
VIN = 4.75V, VOUT = -4.0V
VIN = 3.15V, VOUT = -2.5V
TC1219
Output Current vs. Capacitance
CAPACITANCE (
F)
O
UTPUT
CURRENT
(mA
)
0
10
5
15
20
25
30
CAPACITANCE (
F)
TC1220
Output Voltage Ripple vs. Capacitance
450
400
350
300
250
50
0
200
150
100
0
10
5
25
20
25
30
CAPACITANCE (
F)
TC1219
Output Voltage Ripple vs. Capacitance
500
450
400
350
300
250
50
0
200
150
100
500
OUTPUT
VOLTAGE
RIPPLE
(mVp-p)
O
UTPUT
VOLTAGE
RIPPLE
(mVp-p
)
40
35
30
25
20
5
0
15
10
0
10
5
15
25
20
30 35 40 45 50
45
VIN = 4.75V, VOUT = -4.0V
VIN = 3.15V, VOUT = -2.5V
VIN = 4.75V, VOUT = -4.0V
VIN = 3.15V, VOUT = -2.5V
VIN = 4.75V, VOUT = -4.0V
VIN = 3.15V, VOUT = -2.5V
14
13
12
8
11
10
9
-40
0
-20
20
40
60
80
-40
0
-20
20
40
60
80
TEMPERATURE (
°C)
TC1219
Pump Frequency vs. Temperature
15
PUMP
FREQUENCY
(kHz)
140
130
120
100
90
80
70
50
110
60
20
10
0
40
30
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
Supply Current
vs. Supply Voltage
150
SUPPLY
CURRENT
(
A)
TC1220
TC1219
35
45
40
20
30
25
TEMPERATURE (
°C)
TC1220
Pump Frequency vs. Temperature
P
UMP
FREQUENCY
(kHz
)
VIN = 5.0V
VIN = 3.3V
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