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IR3548 Datasheet(PDF) 13 Page - International Rectifier |
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IR3548 Datasheet(HTML) 13 Page - International Rectifier |
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13 / 30 page  IR3548 13 www.irf.com © 2014 International Rectifier Submit Datasheet Feedback January 08, 2014 SW1 VIN1 VIN2 PGND VCC BOOT1 PWM1 LGND FUNCTION EN1 MODE IR3548 VINDIV CIN2 47uF x2 CBOOT1 0.22uF L1 150nH CIN1 0.1uF x2 VCC CVCC 0.1uF SW2 BOOT2 CBOOT2 0.22uF L2 150nH VDRV VDRV CVDRV 1uF PWM2 EN2 GATEL1 GATEL2 GATEL2 GATEL1 CCS12 0.22uF RCS2 4.99k Ω RCS1 4.99k Ω SW1 VIN1 VIN2 PGND VCC BOOT1 PWM1 LGND FUNCTION EN1 MODE IR3548 VINDIV VIN VOUT CIN4 47uF x2 CBOOT3 0.22uF L3 150nH COUT 470uF x3 CIN3 0.1uF x2 VCC CVCC 0.1uF SW2 BOOT2 CBOOT4 0.22uF L4 150nH VDRV VDRV CVDRV 1uF PWM2 EN2 + CS34 - GATEL1 GATEL2 GATEL2 GATEL1 CCS34 0.22uF RCS4 4.99k Ω RCS3 4.99k Ω Two- phase PWM controller + - VOUT SENSE + - CS34 VCC VCC PWM2 SW4 SW3 SW1 SW2 GATEL2 GATEL1 GATEL3 GATEL4 PWM1 To PWM controller + CS12 - EN2 EN1 PWM2 EN2 + CS12 - PWM1 PWM2 SW1 GATEL1 SW3 GATEL3 SW2 GATEL2 SW4 GATEL4 Figure 10: Timing Diagram of the IR3548 Four-phase Voltage Regulator, IR ATL PWM, Doubler Driver Mode |
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