參數資料
型號: L4973V3.3
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, PDIP18
封裝: LEAD FREE, PLASTIC, DIP-18
文件頁數: 10/28頁
文件大?。?/td> 637K
代理商: L4973V3.3
Typical characteristics
L4973
18/28
Figure 29.
Efficiency vs. output current
(see Figure 7)
Figure 30.
Efficiency vs. output current
(see Figure 8)
Figure 31.
Efficiency vs. output current
(see Figure 8)
Figure 32.
Power dissipation vs. input
voltage (device only)
(see Figure 7)
0123
IO(A)
75
80
85
90
η
(%)
D97IN646
Vcc=12V
Vcc=24V
Vcc=48V
VO = 5.1V
fsw = 200KHz
0123
IO(A)
75
80
85
90
η
(%)
D97IN644
Vcc=12V
Vcc=24V
Vcc=48V
VO = 3.3V
fsw = 100KHz
0123
IO(A)
0.5
1.5
2.5
3.5
70
75
85
η
(%)
80
90
D97IN662
Vcc=48V
Vcc=12V
Vcc=24V
VO = 3.3V
fsw = 200KHz
0
10
30
40
Vcc(V)
20
50
0
0.5
1.0
1.5
Pdiss
(W)
D97IN647A
IO=3.5A
IO=3A
IO=2A
IO=2.5A
VO = 5.1V
fsw = 100KHz
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