L4973V3 데이터 시트보기 (PDF) - STMicroelectronics
부품명
상세내역
제조사
L4973V3 Datasheet PDF : 16 Pages
| |||
L4973V3.3 - L4973V5.1 - L4973D3.3 - L4973D5.1
Figure 16: Dropout Voltage Between pin 7,8 and
2,3
Figure 17: Efficiency vs. Output Voltage
(see fig.1)
∆V
D97IN643
(V)
0.6
Tj=125°C
Tj=25°C
0.4
Tj=0°C
0.2
0
0
1
2
3
Figure 18: Efficiency vs. Output Voltage
(Diode STPS745D)
IO(A)
η
D97IN641
(%)
98
100KHz
96
94
200KHz
92
90
88
IO = 3A
VCC = 50V
86
0
10
20
30
40 VO(V)
Figure 19: Efficiency vs. Output Current
( see fig.1c)
η
D97IN642
(%)
98
100KHz
96
94
200KHz
92
90
88
IO = 3A
VCC = 35V
86
0 5 10 15 20 25 30 VO(V)
Figure 20: Efficiency vs. Output Current
(see fig.1c)
η
D97IN646
(%)
η
(%)
95
90
85
Vcc=12V
D97IN645
VO = 5.1V
fsw = 100KHz
Vcc=24V
Vcc=48V
80
0
1
2
3
IO(A)
Figure 21: Efficiency vs. Output Current
(see fig.1d)
η
(%)
D97IN644
Vcc=12V
90
Vcc=24V
VO = 3.3V
fsw = 100KHz
90
Vcc=12V
85
80
75
0
10/16
Vcc=48V
VO = 5.1V
fsw = 200KHz
1
2
3
IO(A)
85
80
75
0
Vcc=24V
Vcc=48V
1
2
3
IO(A)
Share Link: 