LA5683T 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LA5683T

4ch Switching Regulator Control IC

SANYO -> Panasonic 

LA5683T

Procedure for Setting the Software Start Time

• Channel 1 (the procedure is the same for channels 2, 3, and 4.)

The software start time of channel 1 is set by the capacitance of the capacitor connected between pin CSOFT1 to

CSOFT4 and GND.

• VB=0.5[V]

• VSOFT

Software start time tSOFT [S]

Charging

Set output voltage (VO): constant

Set output voltage (VO)

VCC

IN-

CSOFT

CSOFT

VB

tSOFT = -CSOFT × RSF1n(1 - RSF × ISF ) [S]

* The formula is for channel 1.

The software start time for channels 2 to 4 can be calculated in the same manner.

No.8214-9/12

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