参数资料
型号: LM2575T-015
厂商: ON Semiconductor
文件页数: 6/28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
120
100
80
60
40
20
T J = 25 ° C
120
100
80
60
40
20
V in = 12 V
V ON/OFF = 5.0 V
0
0
5.0
10
15
20
25
30
35
40
0
-50
-25
0
25
50
75
100
125
V in , INPUT VOLTAGE (V)
Figure 8. Standby Quiescent Current
T J , JUNCTION TEMPERATURE ( ° C)
Figure 9. Standby Quiescent Current
2.0
0
V in = 12 V
Normalized at 25 ° C
40
Adjustable
Version Only
20
-2.0
-4.0
0
-6.0
-20
-8.0
-10
-50
-25
0
25
50
75
100
125
-40
-50
-25
0
25
50
75
100
125
T J , JUNCTION TEMPERATURE ( ° C)
Figure 10. Oscillator Frequency
T J , JUNCTION TEMPERATURE ( ° C)
Figure 11. Feedback Pin Current
OUTPUT
VOLTAGE
(PIN 2)
OUTPUT
CURRENT
(PIN 2)
10 V
0
1.0 A
0
100
0
-100
INDUCTOR 1.0 A
1.0
CURRENT
0.5 A
0.5
OUTPUT 20 mV
0
RIPPLE
VOLTAGE
/DIV
5.0 m s/DIV
Figure 12. Switching Waveforms
http://onsemi.com
6
100 m s/DIV
Figure 13. Load Transient Response
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