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L5973D 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5973D
功能描述  2.5A SWITCH STEP DOWN SWITCHING REGULATOR
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5973D 数据表(HTML) 4 Page - STMicroelectronics

  L5973D Datasheet HTML 1Page - STMicroelectronics L5973D Datasheet HTML 2Page - STMicroelectronics L5973D Datasheet HTML 3Page - STMicroelectronics L5973D Datasheet HTML 4Page - STMicroelectronics L5973D Datasheet HTML 5Page - STMicroelectronics L5973D Datasheet HTML 6Page - STMicroelectronics L5973D Datasheet HTML 7Page - STMicroelectronics L5973D Datasheet HTML 8Page - STMicroelectronics L5973D Datasheet HTML 9Page - STMicroelectronics Next Button
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L5973D
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Figure 1. Line Regulation
Figure 2. Output Voltage vs. Junction
Temperature
Figure 3. Quiescent Current vs. Junction
Temperature
Figure 4. Shutdown Current vs.Junction
Temperature
Figure 5. Switching Frequency vs.Junction
Temperature
3.276
3.28
3.284
3.288
3.292
3.296
3.3
3.304
3.308
3.312
010
20
30
40
Vcc (V)
Tj = 125°C
Tj = 25°C
Vcc = 12V
Vo = 3.3V
Vo (V)
Tj (°C)
Vcc=12V
1.2
1.21
1.22
1.23
1.24
1.25
-50
0
50
100
150
Vo (V)
Vcc = 12V
1.2
1.4
1.6
1.8
2
-50
050
100
150
Tj (°C)
Iq (mA)
Vcc = 12V
DC = 0%
30
40
50
60
70
-50
0
50
100
150
Ishd (
µA)
Vcc = 12V
Tj (°C)
220
230
240
250
260
-50
0
50
100
150
Tj (°C)
Fsw (KHz)
Vcc = 12V
Vo = 3.3V



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