參數(shù)資料
型號: L4973D3.3
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 5.5 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO20
封裝: LEAD FREE, SOP-20
文件頁數(shù): 8/28頁
文件大?。?/td> 637K
代理商: L4973D3.3
Typical characteristics
L4973
16/28
Figure 21.
Switching frequency vs.
input voltage
Figure 22.
Switching frequency vs.
junction temperature
(see Figure 4)
Figure 23.
Dropout voltage between pin
7,8 and 2,3
Figure 24.
Efficiency vs. output voltage
(see Figure 6)
0
1020304050
VCC(V)
90
95
100
105
fsw
(KHz)
D97IN631
Tamb=25C
-50
0
50
100
Tj(C)
90
95
100
105
fsw
(KHz)
D97IN632
0123
IO(A)
0
0.2
0.4
0.6
ΔV
(V)
D97IN643
Tj=0C
Tj=125C
Tj=25C
010
20
30
VO(V)
40
86
88
90
92
η
(%)
94
96
98
D97IN641
200KHz
100KHz
IO = 3A
VCC = 50V
相關PDF資料
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相關代理商/技術參數(shù)
參數(shù)描述
L4973D33-L4973D51 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3.5A STEP DOWN SWITCHING REGULATOR
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L4973D51 制造商:ST MICRO 功能描述:*