参数资料
型号: LM2576TV-ADJ
厂商: MOTOROLA INC
元件分类: 稳压器
英文描述: 3 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSFM5
封装: TO-220, 5 PIN
文件页数: 15/28页
文件大小: 415K
代理商: LM2576TV-ADJ
LM2576
22
MOTOROLA ANALOG IC DEVICE DATA
THE LM2576–5 STEP–DOWN VOLTAGE REGULATOR WITH 5.0 V @ 3.0 A OUTPUT POWER CAPABILITY.
TYPICAL APPLICATION WITH THROUGH–HOLE PC BOARD LAYOUT
Figure 35. Schematic Diagram of the LM2576–5 Step–Down Converter
D1
1N5822
L1
150
H
Output
2
4
Feedback
Unregulated
DC Input
+Vin = 7.0 to 40 V
Cout
1000
F
/16 V
C1
100
F
/50 V
LM2576–5
1
5
3ON/OFF
Gnd
+Vin
ON/OFF
Regulated Output
Vout1 = 5.0 V @ 3.0 A
Gndin
Gndout
C1
100
F, 50 V, Aluminium Electrolytic
C2
1000
F, 16 V, Aluminium Electrolytic
D1
3.0 A, 40 V, Schottky Rectifier, 1N5822
L1
150
H, 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
Gndin
+Vin
ON/OFF
00060_00
NOTE: Not to scale.
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