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STW41411 Fiches technique(PDF) 10 Page - STMicroelectronics

No de pièce STW41411
Description  Single Coil Dual Output Step Down DC/DC Converter for Digital Base Band and Multimedia Processor Supply
PDF  27 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW41411 Fiches technique(HTML) 10 Page - STMicroelectronics

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2 Electrical Characteristics
STw4141
10/27
2.5
Soft start
To avoid spikes on battery during STw4141 start-up sequence, a smooth start-up is
implemented. Reference voltage grows up less than 600 µs until it achieves is final target.
Therefore, STw4141 start up is smooth and secure for the overall mobile phone.
Figure 2.
Smooth start-up sequence VIN = 3.6V, VOUT1 = 1.8V@ 200mA,
VOUT2 =1.2V@400mA
2.6
Settling time of VOUT2
Figure 3.
Settling time of VOUT2, IOUT1 = 200mA, IOUT2 = 400mA



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