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TC2575 数据表(PDF) 22 Page - TelCom Semiconductor, Inc

部件名 TC2575
功能描述  1.0A Step-Down Switching Regulator
PDF  25 Pages
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制造商  TELCOM [TelCom Semiconductor, Inc]
网页  http://www.telcom-semi.com
标志 TELCOM - TelCom Semiconductor, Inc

TC2575 数据表(HTML) 22 Page - TelCom Semiconductor, Inc

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TC2575
1.0A Step-Down Switching Regulator
22
TC2575-1 3/13/00
TYPICAL CHARACTERISTICS (Circuit of Figure 2)
0
20
–50
3.0
0
–50
2.0
0
1.2
–50
VIN INPUT VOLTAGE (V)
TJ, JUNCTION TEMPERATURE (°C)
VIN INPUT VOLTAGE (V)
TJ, JUNCTION TEMPERATURE (°C)
SWITCH CURRENT (A)
Figure 20. Normalized Output Voltage
TJ, JUNCTION TEMPERATURE (°C)
Figure 21. Line Regulation
VIN= 20 V
ILOAD = 200mA
Normalized at
TJ = 25°C
Figure 22 Switch Saturation Voltage
Figure 23. Current Limit
Figure 24. Dropout Voltage
Figure 25. Quiescent Current
ILOAD = 200mA
TJ = 25°C
3.3 V, 5.0 V and Adj
12V
25
°C
VIN = 25V
Measured at
Ground Pin
TJ = 25°C
ILOAD = 200mA
ILOAD = 1.0A
∆VOUT = 5%
RIND = 0.2
Ω
125
°C
–40
°C
5.0
–25
10
0
20
15
25
25
75
50
35
30
40
100
125
0.8
0.4
0.4
0
0
–0.2
–0.4
0.6
0.2
1.0
0.6
0.2
–0.2
–0.6
2.5
1.5
0.5
0
2.0
1.0
14
10
6.0
4.0
18
12
8.0
16
1.1
0.9
0.7
0.5
1.0
0.8
0.6
1.2
0.8
0.4
1.0
0.6
1.8
1.4
1.6
0.4
–25
0.1
0
0.2
25
0.3
50
0.4
75
0.5
100
0.6
125
0.7
5.0
–5
10
0
15
25
20
50
25
75
30
100
35
125
0.8
0.9
1.0
40
ILOAD = 200mA
ILOAD = 1.0A
VOUT = 5.0V



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