参数资料
型号: LM2575T-015
厂商: ON Semiconductor
文件页数: 5/28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
TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 14)
0.6
1.0
0.4
0.2
0
-0.2
-0.4
V in = 20 V
I Load = 200 mA
Normalized at
T J = 25 ° C
0.8
0.6
0.4
0.2
0
I Load = 200 mA
T J = 25 ° C
3.3 V, 5.0 V and Adj
12 V and 15 V
-0.6
-50
-25
0
25
50
75
100
125
-0.2
0
5.0
10
15
20
25
30
35
40
1.2
1.1
1.0
T J , JUNCTION TEMPERATURE ( ° C)
Figure 2. Normalized Output Voltage
3.0
2.5
V in , INPUT VOLTAGE (V)
Figure 3. Line Regulation
0.9
0.8
0.7
0.6
-40 ° C
25 ° C
2.0
1.5
1.0
0.5
125 ° C
0.5
V in = 25 V
0.4
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
-50
-25
0
25
50
75
100
125
2.0
SWITCH CURRENT (A)
Figure 4. Switch Saturation Voltage
20
T J , JUNCTION TEMPERATURE ( ° C)
Figure 5. Current Limit
1.8
1.6
1.4
I Load = 1.0 A
D V out = 5%
R ind = 0.2 W
18
16
14
I Load = 1.0 A
V out = 5.0 V
Measured at
Ground Pin
T J = 25 ° C
1.2
12
1.0
I Load = 200 mA
10
0.8
0.6
8.0
6.0
I Load = 200 mA
0.4
-50
-25
0
25
50
75
100
125
4.0
0
5.0
10
15
20
25
30
35
40
T J , JUNCTION TEMPERATURE ( ° C)
Figure 6. Dropout Voltage
http://onsemi.com
5
V in , INPUT VOLTAGE (V)
Figure 7. Quiescent Current
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