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MC34063A Datasheet(PDF) 9 Page - Texas Instruments |
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MC34063A Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 30 page 
Q S R CT Ipk Q2 Q1 2 1 Oscillator _ + 1.25-V Reference Regulator 4 5 3 8 7 6 RSC 0.24 W 953 W R1 CO 1N5819 1500 pF R2 8.2 kW 100 mF + VCC VOUT −12 V/100 mA 1.0 mH 100 mF Optional Filter VIN 4.5 V to 6.0 V + + 1000 mF + L 88 mH Comparator V OUT = –1.25 (1+ R2 R1 ) V IN V OUT V IN V OUT 8 7 6 4 3 2 1 8 7 6 4 3 2 1 5 5 a) External NPN Switch b) External PNP Saturated Switch VIN 8 7 6 1 2 8 7 6 1 2 RSC VIN RSC VOUT VOUT a) EXTERNAL npn SWITCH b) EXTERNAL pnp SATURATED SWITCH MC33063A, MC34063A www.ti.com SLLS636N – DECEMBER 2004 – REVISED JANUARY 2015 Application Information (continued) Figure 6. Buck Regulator Connections for IC Peak Greater Than 1.5 A Figure 7. Inverting Regulator Connections for IC Peak Greater Than 1.5 A 9.2 Typical Application 9.2.1 Voltage-Inverting Converter Application Copyright © 2004–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: MC33063A MC34063A |
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