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參數(shù)資料
| 型號： | LM2574 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 0.5 A, Adjustable Output Voltage, Step-Down Switching Regulator(0.5A,可調(diào)輸出電壓,降壓型開關穩(wěn)壓器) |
| 中文描述： | 0.5甲，可調(diào)輸出電壓，降壓型開關穩(wěn)壓器（0.5A的，可調(diào)輸出電壓，降壓型開關穩(wěn)壓器） |
| 文件頁數(shù)： | 22/26頁 |
| 文件大?。?/td> | 295K |
| 代理商： | LM2574 |
LM2574, NCV2574
http://onsemi.com
22
The LM25745 StepDown Voltage Regulator with 5.0 V @ 0.5 A Output Power Capability.
Typical Application With ThroughHole PC Board Layout
D1
1N5819
L1
330 H
Output
7
1
Feedback
Unregulated
DC Input
+V
in
= 7.0 to 40 V
C2
220 F
C1
22 F
LM25745
5
3
4
ON/OFF
(5)
Pwr
Gnd
(6)
+V
in
Regulated Output
+V
out
= 5.0 V @ 0.5 A
Gnd
Gnd
C1
C2
D1
L1
22 F, 63 V, Aluminium Electrolytic
220 F, 16 V, Aluminium Electrolytic
1.0 A, 40 V, Schottky Rectifier, 1N5819
330 H, RL1284330, Renco Electronics
2
Sig
Gnd
(4)
Figure 36. Schematic Diagram of the LM25745 StepDown Converter
(12)
(3)
(14)
LM25745.0
C1
C2
+
+
U1
L1
D1
V
out
Gnd
Gnd
+V
in
Figure 37. PC Board Layout Component Side
NOTE
: Not to scale.
Figure 38. PC Board Layout Copper Side
NOTE
: Not to scale.
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2574 3.3V WAF | 制造商:Motorola Inc 功能描述: |
| LM2574/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Easy Switcher? 0.5A Step-Down Voltage Regulator |
| LM2574_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:52kHz Simple 0.5A Buck Regulator |
| LM2574_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:0.5 A, Adjustable Output Voltage, Step−Down Switching Regulator |
| LM2574-12 | 制造商:Texas Instruments 功能描述: |
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