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L6590 数据表(PDF) 6 Page - STMicroelectronics

部件名 L6590
功能描述  FULLY INTEGRATED POWER SUPPLY FIPS
PDF  23 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6590 数据表(HTML) 6 Page - STMicroelectronics

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L6590
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Figure 3. Start-up Current Generator
Figure 4. IC Consumption Before Start-up
Figure 5. IC Quiescent Current
Figure 6. IC Operating Current
Figure 7. IC Operating Current
Figure 8. Switching Frequency vs.
Temperature
02468
10
12
3
3.5
4
4.5
5
5.5
Vcc [V]
Icc [mA]
Tj = -25 °C
Tj = 25 °C
Tj = 125 °C
Vdrain = 60 V
7
8
9
10
11
12131415
100
200
300
400
500
600
700
Vcc [V]
Icc [µA]
Tj = -25 °C
Tj = 25 °C
Tj = 125 °C
6
8
10
12
14
16
18
3
3.2
3.4
3.6
3.8
4
Vcc [V]
Icc [mA]
Tj = -25 °C
Tj = 25 °C
Tj = 125 °C
VFB = 2.7 V
7
8
9
10
11
12
13
14
15
3
3.5
4
4.5
5
Vcc [V]
Icc [mA]
Tj = -25 °C
Tj = 25 °C
Tj = 125 °C
VFB = 2.3 V
fsw = 65 kHz
7
8
9
10
11
12
13
14
15
3
3.2
3.4
3.6
3.8
4
4.2
4.4
Vcc [V]
Icc [mA]
Tj = -25 °C
Tj = 25 °C
Tj = 125 °C
VFB = 2.3 V
fsw = 22 kHz
Normal operation
Standby
-50
0
50
100
150
10
20
30
40
50
60
70
80
Tj [°C]
fsw [kHz]



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