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This pin is a buffered 0. These pins provide soft-start function for their respective. When the chip is enabled, the regulated 4. The output voltage of the converter follows. When the. SOFT pin voltage is higher than 0. In the event of undervoltage and overcurrent shutdown, the.
These pins provide the return connection for lower gate. Connect these pins to the respective. When the DDR pin is low, the chip can be used as a dual. The output voltage of the two channels. The PWM signals of channel 1 and channel 2 will.
When the DDR. The channel phase-shift. Connect this pin to the junction of the bootstrap. The anode. These pins are used to monitor the voltage drop across the. For precise current detection these inputs can be. These pins enable operation of the respective converter. When both pins are low, the chip is disabled and.
This pin has multiple functions. When connected to battery. The ramp. While the DDR pin. When the pin voltage is less than. When connected to ground, these pins command. PGOOD1 is an open drain output used to indicate the status. This pin is pulled low when the first. These pins are connected to the resistive dividers that set.
ISL6227 Controller. Datasheet pdf. Equivalent
Rev 7. May 4, It was designed especially to provide power. Automatic mode transition of constant-frequency synchronous. The HYS mode of operation can be. Efficiency is further enhanced by using the.
ISL6227 PDF Datasheet浏览和下载