參數(shù)資料
型號: LM2574HVM-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
中文描述: 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDSO14
封裝: SMT-14
文件頁數(shù): 13/24頁
文件大小: 397K
代理商: LM2574HVM-3.3
LM2574
13
MOTOROLA ANALOG IC DEVICE DATA
E
μ
Vi
Vi
Vi
Vi
IL, MAXIMUM LOAD CURRENT (A)
IL, MAXIMUM LOAD CURRENT (A)
IL, MAXIMUM LOAD CURRENT (A)
IL, MAXIMUM LOAD CURRENT (A)
Figure 19. LM2574–3.3
IL, MAXIMUM LOAD CURRENT (A)
Figure 20. LM2574–5
680
Figure 21. LM2574–12
Figure 22. LM2574–15
Figure 23. LM2574–ADJ
150
470
220
100
330
1000
330
680
470
150
220
2200
470
1500
1000
330
680
220
2200
470
1500
1000
680
2200
470
1500
1000
330
680
220
150
100
68
LM2574 Series Buck Regulator Design Procedures
(continued)
Indicator Value Selection Guide
(For Continuous Mode Operation)
60
20
15
12
10
9.0
8.0
7.0
6.0
5.0
60
30
20
15
12
10
9.0
8.0
7.0
60
40
30
25
20
18
17
16
15
14
60
40
30
25
22
20
19
18
17
250
200
150
100
80
60
50
40
30
20
15
10
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
0.5
0.4
0.3
0.2
0.15
0.1
330
220
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PDF描述
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