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STC494 Datasheet(PDF) 1 Page - Suntac Electronic Corp. |
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STC494 Datasheet(HTML) 1 Page - Suntac Electronic Corp. |
1 / 8 page STC494 Pulse Width Modulation Description The STC494 is a monolithic integrated circuit which includes all the necessary building blocks for the design of pulse width modulate(PWM) switching power supplies, including push-pull, bridge and series configuration. The device can operate at switching frequencies between 1KHz and 300KHz and output voltage up to 40V. The STC494 is specified over an operating temperature range of -40 to 85 . Features Uncommitted output transistors capable of 200mA source or sink Internal protection from double pulsing of out-puts with narrow pulse widths or with supply voltages bellows specified limits Easily synchronized to other circuits Dead time control comparator Output control selects single-ended or push-pull operation Ordering Information Type NO. Marking Package Code STC494 STC494 SOP-16 Outline Dimensions unit : mm PIN Connections 1. Non-INV Input 2. INV Input 3. Feed-Back 4. Dead-Time Control 5. CT 6. RT 7. GND 8. C1 9. E1 10. E2 11. C2 12. Vcc 13 Output Control 14. Ref Out 15. INV-Input 16. Non-INV Input 1 |
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