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UC3843BD1G Fiches technique(PDF) 10 Page - ON Semiconductor |
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UC3843BD1G Fiches technique(HTML) 10 Page - ON Semiconductor |
10 / 22 page UC3842B, UC3843B, UC2842B, UC2843B http://onsemi.com 10 + - Reference Regulator VCC UVLO + - Vref UVLO 3.6V 36V S R Q Internal Bias + 1.0mA Oscillator 2.5V R R R 2R Error Amplifier Voltage Feedback Input Output/ Compensation Current Sense Comparator 1.0V VCC 7(12) GND 5(9) VC 7(11) Output 6(10) Power Ground 5(8) Current Sense Input 3(5) RS Q1 VCC Vin 1(1) 2(3) 4(7) 8(14) RT CT Vref = Sink Only Positive True Logic Pin numbers adjacent to terminals are for the 8-pin dual-in-line package. Pin numbers in parenthesis are for the D suffix SOIC-14 package. Figure 19. Representative Block Diagram Figure 20. Timing Diagram Large RT/Small CT Small RT/Large CT PWM Latch (See Text) Capacitor CT Latch “Set" Input Output/ Compensation Current Sense Input Latch “Reset" Input Output |
Numéro de pièce similaire - UC3843BD1G |
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Description similaire - UC3843BD1G |
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