參數(shù)資料
型號(hào): L4973V3
廠商: 意法半導(dǎo)體
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 222K
代理商: L4973V3
0
1
2
3
I
O
(A)
0
0.2
0.4
0.6
V
(V)
D97IN643
Tj=0
°
C
Tj=125
°
C
T=25
°
C
Figure16:
DropoutVoltage Between pin 7,8 and
2,3
0
10
20
30
V
O
(V)
40
86
88
90
92
η
(%)
94
96
98
D97IN641
200KHz
100KHz
I
O
=
3A
V
CC
= 50V
Figure 17:
Efficiencyvs. Output Voltage
(see fig.1)
0
10
15
20
V
O
(V)
30
5
25
86
88
90
92
η
(%)
94
96
98
D97IN642
200KHz
100KHz
I
O
=
3A
V
CC
= 35V
Figure18:
Efficiencyvs. OutputVoltage
(DiodeSTPS745D)
0
1
2
3
I
O
(A)
80
85
90
95
η
(%)
D97IN645
Vcc=12V
Vcc=24V
Vcc=48V
V
O
=5.1V
f
sw
= 100KHz
Figure 19:
Efficiencyvs. Output Current
( see fig.1c)
0
1
2
3
I
O
(A)
75
80
85
90
η
(%)
D97IN646
Vcc=12V
Vcc=24V
Vcc=48V
V
O
= 5.1V
f
sw
= 200KHz
Figure20:
Efficiencyvs. OutputCurrent
(see fig.1c)
0
1
2
3
I
O
(A)
75
80
85
90
η
(%)
D97IN644
Vcc=12V
Vcc=24V
Vcc=48V
V
O
= 3.3V
f
sw
= 100KHz
Figure 21:
Efficiencyvs. Output Current
(see fig.1d)
L4973V3.3 - L4973V5.1 - L4973D3.3 - L4973D5.1
10/16
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