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AN2937 Datasheet(PDF) 20 Page - STMicroelectronics

Part # AN2937
Description  Power system demonstration kit based on the PM6686 dual
PDF  41 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2937 Datasheet(HTML) 20 Page - STMicroelectronics

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Jumper settings
AN2937
20/41
Doc ID 15418 Rev 1
9.8
OUT1 switching section regulation (FB1)
9.9
Current limit of OUT1 switching section (ILIM1)
Table 10.
Jumper S8 FB1 (connect FB1 pin to S8)
Position
OUT1 regulation
GND.
OUT1 regulates 5 V.
Ext divider.
OUT1 regulates an adjustable voltage from 0.7 V to 5.5 V, programmable with the
external divider R4, R5.
VCC
OUT1 regulates 1.5 V.
Table 11.
Jumper S9 ILIM1 (connect ILIM1 pin to S9)
Position
OUT1 regulation
External
resistor
The threshold voltage of ILIM1 is compared with 1/10th of the GND-PHASE1 drop
during the off time to determine a valley current limit.
VREF2
The internal threshold voltage of the current limit comparator is set to 200 mV.



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