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FDMF3172 Datasheet(PDF) 2 Page - ON Semiconductor |
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FDMF3172 Datasheet(HTML) 2 Page - ON Semiconductor |
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2 / 21 page  © 2016 Semiconductor Components Industries, LLC www.onsemi.com FDMF3172 Rev. 1.0 2 Application Diagram V5V FDMF3172 PVCC VCC VIN PWM TMON BOOT PHASE AGND PGND SW EN VIN IIN CVCC CPVCC CVIN VOUT IOUT COUT LOUT CBOOT RVCC IMON REFIN RTMON CTMON RIMON enabled disabled PWM Input IIMON_scaled N/C CREFIN CIMON REFIN (from PWM controller) Figure 1. Typical Application Diagram Functional Block Diagram BOOT PVCC VIN PWM INPUT STAGE STARTUP (POR) EN / UVLO LEVEL SHIFT THERMAL MONITOR HDRV LDRV TMON/ FAULT VCC PWM PHASE SW PGND EN AGND GL PVCC IMON REFIN flag on FAULT IMON FAULT LATCH 3.3V EN_POR EN_POR EN_PWM EN_PWM RPWM_UP RPWM_DOWN REN_DOWN FAULT LOGIC 1V/2.4V EN_POR VOS 2.8V Figure 2. Functional Block Diagram |
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