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| 型號： | TC2574-VOETR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | WIDE, SOIC-16 |
| 文件頁數(shù)： | 21/25頁 |
| 文件大?。?/td> | 212K |
| 代理商： | TC2574-VOETR |
5
TC2574
0.5A Step-Down Switching Regulator
TC2574-1 1/6/00
CIN
22
F
COUT
220
F
+VIN
5
2
Sig
GND
PWR
GND
43
7
1L1
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC2574VPA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC2574-VPA | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:0.5A Step-Down Switching Regulator |
| TC2575 | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
| TC2575-12.0VAT | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
| TC2575-3.3VAT | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:1.0A Step-Down Switching Regulator |
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