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參數資料
| 型號： | TC1240 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Positive Doubling Charge Pumps with Shutdown in a SOT-23 Package(159kHz開關頻率,帶關斷DC-DC) |
| 中文描述： | 積極加倍電荷泵與關機采用SOT - 23封裝（159kHz開關頻率，帶關斷的DC - DC） |
| 文件頁數： | 4/16頁 |
| 文件大?。?/td> | 355K |
| 代理商： | TC1240 |
TC1240/TC1240A
DS21516C-page 4
2003 Microchip Technology Inc.
2.0
TYPICAL PERFORMANCE CURVES
Note:
Unless otherwise indicated, typical values apply at T
A
= +25°C.
FIGURE 2-1:
Voltage (No Load).
Supply Current vs. Supply
FIGURE 2-2:
vs. Supply Voltage (with R
LOAD
= 1 k
)
Output Source Resistance
FIGURE 2-3:
Load Current.
Output Voltage Drop vs.
FIGURE 2-4:
Temperature (No Load).
Supply Current vs.
FIGURE 2-5:
vs. Temperature (with R
LOAD
= 1 k
).
Output Source Resistance
FIGURE 2-6:
Current.
Power Efficiency vs. Load
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.
700
600
500
400
300
200
100
0
2.00 3.00 4.00 5.00 6.00
SUPPLY VOLTAGE (V)
S
μ
A
2.00 3.00 4.00 5.00 6.00
SUPPLY VOLTAGE (V)
20
15
10
5
0
O
)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
0 5 10 15 20 25 30 35 40 45 50
LOAD CURRENT (mA)
V
IN
= 4.0V
V
IN
= 2.8V
450
400
350
300
250
200
100
0
150
50
-50 -25 0 25 50 75 100 125
TEMPERATURE (
°
C)
S
μ
A
V
IN
= 4.0V
V
IN
= 2.8V
25
20
15
10
5
0
-50 -25 0 25 50 75 100 125
TEMPERATURE (
°
C)
V
IN
= 2.8V
O
)
V
IN
= 4.0V
100%
90%
80%
70%
60%
50%
40%
30%
20%
0 5 10 15 20 25 30 35 40 45 50
LOAD CURRENT (mA)
P
10%
0%
V
IN
= 2.5V
V
IN
= 3.5V
V
IN
= 4.5V
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