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UC1844L883B Scheda tecnica(PDF) 7 Page - Texas Instruments |
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UC1844L883B Scheda tecnica(HTML) 7 Page - Texas Instruments |
7 / 3 page 7 UC1842/3/4/5 UC2842/3/4/5 UC3842/3/4/5 OFFLINE FLYBACK REGULATOR SLOPE COMPENSATION A fraction of the oscillator ramp can be resistively summed with the current sense signal to provide slope compensation for converters requiring duty cycles over 50%. Power Supply Specifications 1. Input Voltages 5VAC to 130VA (50 Hz/60Hz) 2. Line Isolation 3750V 3. Switching Frequency 40kHz 4. Efficiency at Full Load 70% 5. Output Voltage: A. +5V, ±5%; 1A to 4A load Ripple voltage: 50mV P-P Max B. +12V, ±3%; 0.1A to 0.3A load Ripple voltage: 100mV P-P Max C. -12V , ±3%; 0.1A to 0.3A load Ripple voltage: 100mV P-P Max |
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