参数资料
型号: LM2576TV-12G
厂商: ON SEMICONDUCTOR
元件分类: 稳压器
英文描述: 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PZFM5
封装: LEAD FREE, TO-220, 5 PIN
文件页数: 15/28页
文件大小: 275K
代理商: LM2576TV-12G
LM2576
http://onsemi.com
22
THE LM25765 STEPDOWN VOLTAGE REGULATOR WITH 5.0 V @ 3.0 A OUTPUT POWER CAPABILITY.
TYPICAL APPLICATION WITH THROUGHHOLE PC BOARD LAYOUT
Figure 35. Schematic Diagram of the LM25765 StepDown Converter
D1
1N5822
L1
150
mH
Output
2
4
Feedback
Unregulated
DC Input
+Vin = 7.0 to 40 V
Cout
1000
mF
/16 V
C1
100
mF
/50 V
LM25765
1
5
3ON/OFF
GN
D
+Vin
ON/OFF
Regulated Output
Vout1 = 5.0 V @ 3.0 A
GNDin
GNDout
C1
100
mF, 50 V, Aluminium Electrolytic
C2
1000
mF, 16 V, Aluminium Electrolytic
D1
3.0 A, 40 V, Schottky Rectifier, 1N5822
L1
150
mH, RL2444, Renco Electronics
Figure 36. Printed Circuit Board Layout
Component Side
Figure 37. Printed Circuit Board Layout
Copper Side
LM2576
U1
D1
C1
C2
L1
+
Vou
t
GNDout
GND-
in
+Vin
ON/OFF
00060_00
NOTE: Not to scale.
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