SLLS636N December 2004 – January 2015 MC33063A , MC34063A
PRODUCTION DATA.

| PIN | TYPE | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| Switch Collector | 1 | I/O | High-current internal switch collector input. |
| Switch Emitter | 2 | I/O | High-current internal switch emitter output. |
| Timing Capacitor | 3 | — | Attach a timing capacitor to change the switching frequency. |
| GND | 4 | — | Ground |
| Comparator Inverting Input | 5 | I | Attach to a resistor divider network to create a feedback loop. |
| VCC | 6 | I | Logic supply voltage. Tie to VIN. |
| IPK | 7 | I | Current-limit sense input. |
| Driver Collector | 8 | I/O | Darlington pair driving transistor collector input. |