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参数资料
| 型号： | TC2574-VOETR |
| 元件分类： | 稳压器 |
| 英文描述： | 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 16/26页 |
| 文件大小： | 221K |
| 代理商： | TC2574-VOETR |
23
TC2574
0.5A Step-Down Switching Regulator
TC2574-2 12/22/00
2001 Microchip Technology Inc.
DS21397A
TYPICAL CHARACTERISTICS (Circuit of Figure 2 Cont.)
A
B
Figure 35. 500mA Load Transient Response for
Continuous Mode Operation, L = 330
H, COUT = 300F
Figure 36. 250mA Load Transient Response for
Disontinuous Mode Operation, L = 68
H, COUT = 470F
A
B
50mV
AC
500mA
200
sec/DIV
200
sec/DIV
0
50 mV
AC
200 mA
100 mA
0
A: Output Pin Voltage 50V/DIV, AC Coupled
B: 100mA to 500mA Load Pulse
A: Output Pin Voltage 50V/DIV, AC Coupled
B: 50mA to 250mA Load Pulse
.
V
IN
,MAXIMUM
INPUT
VOL
TAGE
(V)
V
IN
,MAXIMUM
INPUT
VOL
TAGE
(V)
V
IN
,MAXIMUM
INPUT
VOL
TAGE
(V)
IL, MAXIMUM LOAD CURRENT (A)
Figure 37. TC2574 (VOUT = 3.3V)
IL, MAXIMUM LOAD CURRENT (A)
Figure 38. TC2574 (VOUT = 5.0V)
680
Figure 39. TC2574 (VOUT = 12.0V)
Figure 40. TC2574–ADJ
150
470
220
100
330
1000
330
680
470
150
220
2200
470
1500
1000
330
680
220
2200
470
1500
1000
330
680
220
150
100
68
60
20
15
12
10
9.0
8.0
7.0
6.0
5.0
60
30
20
15
12
10
9.0
8.0
7.0
60
40
30
25
20
18
17
16
15
14
250
200
150
100
80
60
50
40
30
20
15
10
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
ET,
VOLTAGE
TIME
(
sec)
TYPICAL CHARACTERISTICS (Circuit of Figure 16 Cont.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC2574VPA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC2574-VPA | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:0.5A Step-Down Switching Regulator |
| TC2575 | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
| TC2575-12.0VAT | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
| TC2575-3.3VAT | 制造商:TELCOM 制造商全称:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
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