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AN2829 Arkusz danych(PDF) 21 Page - STMicroelectronics

Numer części AN2829
Szczegółowy opis  Dual step-down controller with auxilary voltages
PDF  32 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2829 Arkusz danych(HTML) 21 Page - STMicroelectronics

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AN2829
Test setup and performance summary
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Figure 11.
Section 1 shutdown waveforms
Figure 12.
Section 2 shutdown waveforms
11.4
1.5 V and 1.05 output efficiency vs. load current
Figure 13 and 14 show the efficiency versus load current at different input voltage values in
PWM mode, skip mode and no audible skip mode. Three different input voltages are used:
●
Blue: VIN=9 V
●
Green: VIN=12 V
●
Red: VIN=18 V
AM01417v1
OUT1
Lgate1
EN1
AM01418v1
OUT2
Lgate2
EN2



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