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UC2844L-S08-R Fiches technique(PDF) 6 Page - Unisonic Technologies |
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UC2844L-S08-R Fiches technique(HTML) 6 Page - Unisonic Technologies |
6 / 7 page UC2844/45 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 6 of 7 www.unisonic.com.tw QW-R103-051.B TYPICAL CHARACTERISTICS 100 50 10 5.0 1.0 10k 20k 50k 100k Oscillator Frequency, IOSC (Hz) 200k 500k 1.0M Timing Resistor vs. Oscillator Frequency 2.0 20 75 65 60 10k 20k 50k 100k 200k 500k 1.0M Output Deadtime vs. Oscillator Frequency 55 70 VCC = 15V TA = 25℃ 100 pF 200 pF 500 pF 1.0n F 2.0n F 5.0n F C T = 10 nF Note: Output Switches At One-Half The Oscillator Frequency 50 Oscillator Frequency, IOSC (Hz) 1.0nF 2.0nF 5.0nF CT = 10nF 100pF 200pF 500pF 100 80 40 20 -20 10 100 1.0k 10k Frequency, f (Hz) 100k 1.0M 10M Error Amp Open Loop Gain Phase vs. Frequency 0 60 1.2 0.8 0.4 02.0 4.0 6.0 8.0 Current Sense Input Threshold vs. Error Amp Output Voltage 0.2 1.0 VCC = 15V VOUT = 2.0V ~ 4.0V RL = 100k TA = 25℃ Phase Gain 0 Error Amp Output Voltage, VOUT (V) 0 30 90 120 180 150 60 0.6 TA = 25℃ VCC = 15V TA = 125℃ TA = -55℃ |
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Description similaire - UC2844L-S08-R |
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