参数资料
型号: L4973V5.1
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 5.5 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDIP18
封装: LEAD FREE, PLASTIC, DIP-18
文件页数: 9/28页
文件大小: 637K
代理商: L4973V5.1
L4973
Typical characteristics
17/28
Figure 25.
Dropout voltage between pin
7,8 and 2,3
Figure 26.
Efficiency vs. output voltage
(see Figure 4)
Figure 27.
Efficiency vs. output voltage
(Diode STPS745D)
Figure 28.
Efficiency vs. output current
(see Figure 7)
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
010
15
20
VO(V)
30
525
86
88
90
92
η
(%)
94
96
98
D97IN642
200KHz
100KHz
IO = 3A
VCC = 35V
0123
IO(A)
80
85
90
95
η
(%)
D97IN645
Vcc=12V
Vcc=24V
Vcc=48V
VO = 5.1V
fsw = 100KHz
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