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TC2575 数据表(PDF) 23 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) 23 Page - TelCom Semiconductor, Inc

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TC2575
TC2575-1 3/13/00
1.0A Step-Down Switching Regulator
TYPICAL CHARACTERISTICS (Circuit of Figure 2 Cont.)
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
OUTPUT
RIPPLE
VOLTAGE
100
–50
–50
10 V
–0
0
TJ, JUNCTION TEMPERATURE (°C)
TJ, JUNCTION TEMPERATURE (°C)
5.0
µsec/DIV
100
µsec/DIV
TJ, JUNCTION TEMPERATURE (°C)
Figure 26. Standby Quiescent Current
VIN , INPUT VOLTAGE (V)
Figure 27. Standby Quiescent Current
Figure 28. Oscillator Frequency
Figure 29. Feedback Pin Current
Figure 30. Switching Waveforms
Figure 31. Load Transient Response
VIN = 12V
VON/OFF = 5.0V
TJ = 25°C
–100
1.0 A
1.0
40
0
2.0
0.5
20
1.0 A
0
120
0
0
100
0.5 A
–2.0
100
–40
80
–4.0
60
40
20 mV
–8.0
20
0
–10
0
0
0
40
80
120
60
20
–6.0
/DIV
–20
–25
–25
–25
5.0
0
0
0
10
25
25
25
15
50
50
50
20
75
75
75
25
100
100
100
30
125
125
125
40
35
Vin = 12V
Normalized at 25
°C
Adjustable
Version Only
CURRENT
INDUCTOR



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