参数资料
型号: LM2575T-012G
厂商: ON SEMICONDUCTOR
元件分类: 稳压器
英文描述: 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, SFM5
封装: LEAD FREE, CASE 314D-04, TO-220, 5 PIN
文件页数: 16/28页
文件大小: 492K
代理商: LM2575T-012G
LM2575, NCV2575
http://onsemi.com
23
THE LM25755.0 STEPDOWN VOLTAGE REGULATOR WITH 5.0 V @ 1.0 A OUTPUT POWER
CAPABILITY. TYPICAL APPLICATION WITH THROUGHHOLE PC BOARD LAYOUT
DC-DC Converter
Figure 35. Schematic Diagram of the LM25755.0 StepDown Converter
Figure 36. Printed Circuit Board
Component Side
Figure 37. Printed Circuit Board
Copper Side
D1
1N5819
L1
330
mH
Output
2
4
Feedback
Unregulated
DC Input
+Vin = +7.0 V to +40 V
Cout
330
mF
/16 V
C1
100
mF
/50 V
LM25755.0
1
5
3ON/OFF
GND
+Vin
J1
Regulated Output
+Vout1 = 5.0 V @ 1.0 A
GNDin
GNDout
C1
100 mF, 50 V, Aluminium Electrolytic
C2
330 mF, 16 V, Aluminium Electrolytic
D1
1.0 A, 40 V, Schottky Rectifier, 1N5819
L1
330 mH, Tech 39: 77 458 BV, Toroid Core, ThroughHole, Pin 3 = Start, Pin 7 = Finish
NOTE: Not to scale.
NOTE: Not to scale.
+Vout1
+Vin
GNDin
GNDout
C1
L1
C2
D1
J1
U1 LM2575
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