NCP3063BPG ON Semiconductor

NCP3063, NCP3063B, NCV3063 1.5 A, Step-Up/Down/ Inverting Switching Regulators NCP3063, NCP3063B, NCV3063 1 Switch Collector 8 N.C. N.C. Switch Collector Switch Emitter I Sense 2 7 pk I Sense Switch Emitter pk EP Flag Timing Capacitor 3 6 Timing Capacitor V V CC CC GND Comparator Comparator GND 4 5 Inverting Inverting (Top View) Input (Top View) Input NOTE: EP Flag must be tied to GND Pin 4 on PCB Figure 2. Pin Connections Figure 3. Pin Connections NCP3063 8 1 TSD N.C. Switch Collector SET dominant R Q S COMPARATOR 7 2 I Sense pk S + Switch Emitter Q SET dominant R 0.2 V OSCILLATOR 3 6 Timing Capacitor CT +V CC COMPARATOR 1.25 V + REFERENCE REGULATOR 4 5 GND Comparator Inverting Input Figure 4. Block Diagram