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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： | 22/26页 |
| 文件大小： | 221K |
| 代理商： | TC2574-VOETR |
5
TC2574
0.5A Step-Down Switching Regulator
TC2574-2 12/22/00
2001 Microchip Technology Inc.
DS21397A
CIN
22
F
COUT
220
F
+VIN
5
2
Sig
GND
PWR
GND
4
3
7
1
L1
330
H
Output
D1
Feedback
ON/OFF
7.0 – 40V
Unregulated
DC Input
5.0V Regulated
Output 0.5A Load
TC2574
+
Figure 1. Block Diagram and Typical Application: Fixed Output Versions
Figure 2. Test Circuit and Layout Guidelines
CIN
22
F
COUT
220
F
VOUT
VIN
5
4
Sig
GND
PWR
GND
2
3
7
1
D1
1N5819
L1
330
H
Output
Test CIrcuit and Layout Guidelines
CIN
- 22
F, 60V, Aluminum Electrolytic
COUT - 220F, 25V, Aluminum Electrolytic
D1
- Schottky, 1N5819
L1
- 2.0k,0.1%
R2
- 6.12k, 0.1%
VOUT = VREF
(1.0 +
R2)
R1
ON/OFF
7.0 – 40V
Unregulated
DC Input
TC2574
+
Load
Fixed Output
CIN
22
F
R2
6.12k
R2
6.12k
COUT
220
F
VOUT
5.0V
VIN
5
4
Sig
GND
PWR
GND
2
3
7
1
D1
1N5819
L1
330
H
Output
Where VREF = 1.23V, R1
between 1.0k
and 5.0k
Adjustable Output Voltage Versions
ON/OFF
7.0 – 40V
Unregulated
DC Input
TC2574
+
Load
Adjustable
R1= R2
(VOUT - 1.0)
VREF
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相关代理商/技术参数 |
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| TC2574VPA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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