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MC34063A Datasheet(PDF) 3 Page - Texas Instruments |
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MC34063A Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 30 page 
1 2 3 4 8 7 6 5 Switch Collector Switch Emitter Timing Capacitor GND Driver Collector Ipk VCC Comparator Inverting Input D (SOIC) OR P (PDIP) PACKAGE (TOP VIEW) DRJ (QFN) PACKAGE (TOP VIEW) Comparator Inverting Input Switch Collector 2 3 4 1 8 7 6 5 Switch Emitter Timing Capacitor GND VCC Ipk Driver Collector † The exposed thermal pad is electrically bonded internally to pin 4 (GND) . † MC33063A, MC34063A www.ti.com SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015 6 Pin Configuration and Functions Pin Functions 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 5 I Attach to a resistor divider network to create a feedback loop. Inverting Input 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. Copyright © 2004–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: MC33063A MC34063A |
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