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AN2829 Folha de dados(PDF) 21 Page - STMicroelectronics

Nome de Peças AN2829
Descrição Electrónicos  Dual step-down controller with auxilary voltages
PDF  32 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2829 Folha de dados(HTML) 21 Page - STMicroelectronics

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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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