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                  DC-DC PWM Controller(external Switch)

                  Part Number
                  Vin(min)(V) Vin(max)(V) Fsw(MHz) VREF(V) Function Package
                  SY7902A 3 25 0.3 1 Current mode DC/DC controller targeted for both boost and sepic applications with DC Output current limit SOP10
                  SY7901 3 25 0.5 1 Current mode DC/DC controller targeted for boost,sepic,flyback and forward applications with DC Input current limit DFN3*3-10
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