参数资料
型号: LM2575T-015
厂商: ON Semiconductor
文件页数: 23/28页
文件大小: 0K
描述: IC REG BUCK 15V 1A TO220-5
产品变化通告: Product Discontinuation 27/Jun/2007
标准包装: 50
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 15V
输入电压: 4.75 V ~ 40 V
PWM 型: 电压模式
频率 - 开关: 52kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: TO-220-5
包装: 管件
供应商设备封装: TO-220-5
LM2575, NCV2575
THE LM2575 ? 5.0 STEP ? DOWN VOLTAGE REGULATOR WITH 5.0 V @ 1.0 A OUTPUT POWER
CAPABILITY. TYPICAL APPLICATION WITH THROUGH ? HOLE PC BOARD LAYOUT
Feedback
Unregulated
DC Input
+V in = +7.0 V to +40 V
+V in
1
LM2575 ? 5.0
4
Output
L1
330 m H
Regulated Output
2
+V out1 = 5.0 V @ 1.0 A
3
GND
5
ON/OFF
GND in
C1
100 m F
/50 V
J1
D1
1N5819
C out
330 m F
/16 V
GND out
C1
C2
D1
L1
?
?
?
?
100 m F, 50 V, Aluminium Electrolytic
330 m F, 16 V, Aluminium Electrolytic
1.0 A, 40 V, Schottky Rectifier, 1N5819
330 m H, Tech 39: 77 458 BV, Toroid Core, Through ? Hole, Pin 3 = Start, Pin 7 = Finish
Figure 35. Schematic Diagram of the LM2575 ? 5.0 Step ? Down Converter
GND in
C1
U1 LM2575
GND out
L1
D1
J1
C2
DC-DC Converter
+V in
NOTE: Not to scale.
+V out1
NOTE: Not to scale .
Figure 36. Printed Circuit Board
Component Side
http://onsemi.com
23
Figure 37. Printed Circuit Board
Copper Side
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