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參數(shù)資料
| 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)： | 13/25頁 |
| 文件大小： | 212K |
| 代理商： | TC2574-VOETR |
TC2574
20
TC2574-1 1/6/00
0.5A Step-Down Switching Regulator
Figure 20. Schematic Diagram of the 5.0V @ 0.5A Step-Down Converter Using the TC2574–ADJ
(An additional LC filter is included to achieve low output ripple voltage)
D1
1N5819
L1
330
H
Output
7
1
Feedback
R2
6.12 kW
R1
2.0 kW
L2
22
H
Regulated
Output Filtered
VOUT = 5.0 V @ 0.5 A
Output
Ripple Filter
Unregulated
DC Input
C2
220
F
C3
100
F
C1
22
F
TC2574–ADJ
5
3
ON/OFF
Pwr
GND
+VIN
2
4Sig
GND
+Vin = 7.0 to 40 V
GND
The TC2574–ADJ Step-Down Voltage Regulator with 5.0V @ 0.5A Output Power Capability.
Typical Application with Through-Hole PC Board Layout
C1 – 22
F, 63V, Aluminum Electrolytic
C2 – 220
F, 16V, Aluminum Electrolytic
C3 – 100
F, 16V Aluminum Electrolytic
D1 – 1.0A, 40V, Schotty Rectifier, 1N5829
L1 – 330
H, RL–1284–330, Renco Electronics
L2 – 25
H, SFT52501, TDK
R1 – 2.0k
, 0.1%, 0.25W
R2 – 6.12k
, 0.1%, 0.25W
Figure 21. PC Board Layout Component Side
Figure 22. PC Board Layout Copper Side
TC2574
C1
C2
+
U1
L1
D1
VOUT
GND
+VIN
C3
+
GND
L2
R1 R2
NOTE: Not to scale.
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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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