參數(shù)資料
型號(hào): L4971D013TR
廠(chǎng)商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: 3 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO16
封裝: SO-16
文件頁(yè)數(shù): 10/13頁(yè)
文件大小: 571K
代理商: L4971D013TR
L4971
6/13
Figure 6. Quiescent drain current vs. input
voltage.
Figure 7. Quiescent current vs. junction
temperature
Figure 8. Stand-by drain current vs. input
voltage
Figure 9. Line Regulation
Figure 10. Line Regulation
Figure 11. Switching frquency vs. R1 and C2
0
5 10 15 20 25 30 35 40 45 50
Vcc(V)
1
2
3
4
5
Iq
(mA)
200KHz
R1=22K
C2=1.2nF
0Hz
D97IN724
Tamb=25C
0% DC
100KHz
R1=20K
C2=2.7nF
-50 -30 -10 10 30 50 70 90 110
Tj(C)
1
2
3
4
5
Iq
(mA)
D97IN731
0Hz
200KHz
R1=22K
C2=1.2nF
VCC=35V
0% DC
100KHz
R1=20K
C2=2.7nF
0
5 10 15 20 25 30 35 40 45 50 VCC(V)
60
70
80
90
100
110
120
130
140
150
Ibias
(
A)
D97IN732
Tj=25C
Tj=125C
Vss=GND
0
5 10 15 20 25 30 35 40 45 50 VCC(V)
3.370
3.371
3.372
3.373
3.374
3.375
3.376
3.377
VO
(V)
D97IN733
Tj=25C
Tj=125C
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4 IO(A)
3.360
3.362
3.364
3.366
3.368
3.370
3.372
3.374
3.376
3.378
VO
(V)
Tj=25C
Tj=125C
VCC=35V
D97IN734
0
20
40
60
80
R1(K
)
5
10
20
50
100
200
500
fsw
(KHz)
D97IN784
0.82nF
1.2nF
2.2nF
3.3nF
4.7nF
5.6nF
Tamb=25C
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