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UC1844L883B Scheda tecnica(PDF) 7 Page - Texas Instruments

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Il numero della parte UC1844L883B
Spiegazioni elettronici  Current Mode PWM Controller
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UC1844L883B Scheda tecnica(HTML) 7 Page - Texas Instruments

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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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