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參數(shù)資料
| 型號： | TC2575-12.0VAT |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數(shù)： | 16/26頁 |
| 文件大?。?/td> | 172K |
| 代理商： | TC2575-12.0VAT |
23
TC2575
TC2575-1 3/13/00
1.0A Step-Down Switching Regulator
2001 Microchip Technology Inc.
DS21398A
TYPICAL CHARACTERISTICS (Circuit of Figure 2 Cont.)
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
OUTPUT
RIPPLE
VOLTAGE
I STBY
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
100
–50
10 V
–0
0
I FB
,FEEDBACK
PIN
CURRENT
(nA)
TJ, JUNCTION TEMPERATURE (°C)
5.0
sec/DIV
100
sec/DIV
NORMALIZED
FREQUENCY
(%)
TJ, JUNCTION TEMPERATURE (°C)
I STBY
,ST
ANDBY
QUIESCENT
CURRENT
(
A)
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
100
0.5 A
–2.0
100
–40
80
–4.0
60
40
20 mV
–8.0
20
0
–10
0
40
80
120
60
20
–6.0
/DIV
I LOAD
LOAD
CURRENT
(A)
V
OUT
OUTPUT
VOLTAGE
–20
–25
5.0
0
10
25
15
50
20
75
25
100
30
125
40
35
Vin = 12V
Normalized at 25
°C
Adjustable
Version Only
CHANGE
(mV)
CURRENT
INDUCTOR
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