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L4995 Scheda tecnica(PDF) 17 Page - STMicroelectronics

Il numero della parte L4995
Spiegazioni elettronici  Automotive 5V, 500mA low drop voltage regulator
PDF  36 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4995 Scheda tecnica(HTML) 17 Page - STMicroelectronics

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Application information
L4995
18/37
DS5053 Rev 15
3
Application information
Figure 26. L4995 application schematic
Note:
The input capacitor Cs > 200nF is necessary for the smoothing of line disturbances. The
output capacitor Co1> 100nF is necessary for the stability of the regulation loop. In order to
dampen output voltage oscillations during high load current surges, it is recommended an
additional electrolytic capacitor Co2 > 10µF to be placed at the output pin.
Figure 27. Stability region
0.001
0.01
0.1
1
10
100
0.5
5
10
15
20
25
30
35
40
45
50
Co (uF)
ESR min
ESR max
Unstable region
Stability region
Undefined region



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