參數(shù)資料
型號(hào): LM2574HVM-ADJ
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 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(yè)數(shù): 13/24頁(yè)
文件大?。?/td> 397K
代理商: LM2574HVM-ADJ
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
相關(guān)PDF資料
PDF描述
LM2574HVM-5.0 SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
LM2574HVM-3.3 SIMPLE SWITCHER⑩ 0.5A Step-Down Voltage Regulator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2574HVM-ADJ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 0.5A STEP-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2574HVM-ADJ/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
LM2574HVMX-12 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Voltage-Mode SMPS Controller
LM2574HVMX-12/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2574HVMX-15 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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