米6体育平台手机版

SLVUBJ9A July 2020 – October 2020 TPS54JB20

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1.3.2 Frequency and Operation Mode Setting

To change the frequency and operation mode of the part, the MODE pin is used. J6 and the surrounding circuitry allows for an easy change to the frequency and operation mode setting. Table 1-3 shows all six options offered by J6.

Table 1-3 TPS54JB20EVM Mode Pin Selection

SWITCHING FREQUENCY (F_SW)	OPERATION MODE UNDER LIGHT LOAD	MODE PIN CONNECTIONS
SWITCHING FREQUENCY (F_SW)	OPERATION MODE UNDER LIGHT LOAD	CONNECTION	JUMPER SETTING
600 kHz	Skip Mode	Short to VCC	Short Pins 1 and 2
800 kHz	Skip Mode	243 kΩ ±10% to AGND	Short Pins 3 and 4
1000 kHz	Skip Mode	121 kΩ ±10% to AGND	Short Pins 5 and 6
1000 kHz	Forced CCM	60.4 kΩ ±10% to AGND	Short Pins 7 and 8
800 kHz	Forced CCM	30.1 kΩ ±10% to AGND	Short Pins 9 and 10
600 kHz	Forced CCM	Short to AGND	Short Pins 11 and 12