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MAX17599ATE+ Datasheet(PDF) 11 Page - Maxim Integrated Products |
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MAX17599ATE+ Datasheet(HTML) 11 Page - Maxim Integrated Products |
11 / 25 page ���������������������������������������������������������������� Maxim Integrated Products 11 MAX17598/MAX17599 Low IQ, Wide-Input Range, Active Clamp Current-Mode PWM Controllers Pin Description Pin Configuration PIN NAME FUNCTION 1 DT Dead-Time Programming Resistor Connection. Connect resistor from DT to GND to set the desired dead time between the NDRV and AUXDRV signals. See the Dead Time section to calculate the resistor value for a particular dead time. 2 SLOPE Slope Compensation Programming Input. A resistor RSLOPE connected from SLOPE to SGND programs the amount of internal slope compensation. Shorting this pin to SGND sets a typical slope compensation of 50mV/Fs. 3 RT Switching Frequency Programming Resistor Connection. Connect resistor from RT to SGND to set the PWM switching frequency. 4 DITHER/SYNC Frequency Dithering Programming or Synchronization Connection. For spread-spectrum frequency operation, connect a capacitor from DITHER to SGND and a resistor from DITHER to RT. To synchronize the internal oscillator to the externally applied frequency, connect DITHER/SYNC to the synchronization pulse. 5 COMP Transconductance Amplifier Output. Connect the frequency compensation network between COMP and SGND. 6 FB Transconductance Error Amplifier Inverting Input 7 SS Soft-Start/Soft-Stop Capacitor Pin for Forward/Flyback Regulator. Connect a capacitor from SS to SGND to set the soft-start/soft-stop time interval. 8 SGND Signal Ground. Connect SGND to the signal ground plane. 9 CS Current-Sense Input. Current-sense connection for average current-sense and cycle-by-cycle current limit. Peak current limit trip voltage is 300mV. 10 PGND Power Ground. Connect PGND to the power ground plane. 15 16 14 13 5 6 7 8 13 VIN 4 12 10 9 EN/UVLO OVI SGND SS FB COMP 2 11 VDRV EP TQFN MAX17598 MAX17599 TOP VIEW + |
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