參數(shù)資料
型號(hào): LM2574N-12
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR
中文描述: 1.8 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PDIP8
封裝: PLASTIC, DIP-8
文件頁數(shù): 13/24頁
文件大小: 397K
代理商: LM2574N-12
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2574N-12 NOPB 制造商:National Semiconductor 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin PDIP Rail
LM2574N12 制造商:Texas Instruments 功能描述:SWITCHING REG 0.5A 12V 2574 DIP8
LM2574N-12/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2574N-12G 功能描述:直流/直流開關(guān)調(diào)節(jié)器 12V 500mA Buck PWM RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
LM2574N-15 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:EASY SWITCHER 0.5 A STEP-DOWN VOLTAGE REGULATOR