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AN1330 Folha de dados(PDF) 22 Page - STMicroelectronics

Nome de Peças AN1330
Descrição Electrónicos  Designing with the L5970D 1A high efficiency DC-DC converter
PDF  31 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN1330 Folha de dados(HTML) 22 Page - STMicroelectronics

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AN1330
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Figure 14.
Short-circuit current (VIN = 25 V)
Figure 15.
Short-circuit current (VIN = 30 V)
In Figure 14 and Figure 15, for example, it can be observed that when the input voltage
increases for a given component list, the current peak increases also. The current limit is
immediately triggered but the current peak increases until the current ripple during the TOFF
is equal to the current ripple during the TON.
5.5
Application circuit
Figure 16 shows the demonstration board application circuit for the device in the SMD
version, where the input supply voltage, VCC, can range from 4.4 V to 25 V due to the rated
voltage of the input capacitor and the output voltage is adjustable from 1.235 V to VCC.



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