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3 FN4022.13 Functional Block Diagram UNDER VOLTAGE VDD HI LI VSS DRIVER DRIVER HB HO HS LO LEVEL SHIFT UNDER VOLTAGE EPAD (EPSOIC, QFN and DFN PACKAGES ONLY) *EPAD = Exposed Pad. The EPAD is electrically isolated from all other pins. For best thermal performance connect the EPAD to the PCB power ground plane. SECONDARY HIP2100 ISOLATION PWM +48V +12V CIRCUIT FIGURE 1. TWO-SWITCH FORWARD CONVERTER SECONDARY CIRCUIT HIP2100 ISOLATION PWM +48V +12V FIGURE 2. FORWARD CONVERTER WITH AN ACTIVE CLAMP HIP2100 |
