AS3844 ETC-unknow, AS3844 Datasheet
AS3844
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AS3844 Summary of contents
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SEMICONDUCTOR PDIP (N) COMP REG OUT 3 6 SENSE R /C GND Circuit Type: Current Mode Controller (See Table A) Package Style Pin ...
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COMP + Ð ERROR AMP R PWM Ð COMPARATOR + CURRENT SENSE Ð (3 Ð (1 Ð + (0.6 V) OSCILLATOR Current Mode ...
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Current Mode Controller ...
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Current Mode Controller ...
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Current Mode Controller ...
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Current Mode Controller ...
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Current Mode Controller Supply Current vs Supply Voltage – Supply Voltage (V) CC Regulator Output Voltage vs Ambient Temperature 5.04 5.02 5.00 4.98 4.96 4.94 4.92 4.90 –60 ...
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Regulator Load Regulation 0 –4 –8 – 150 C –16 –20 – 100 I – Regulator Source Current (mA) SC Timing Capacitor vs Oscillator Frequency 100 R = 680 ...
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Current Mode Controller Current Sense Input Threshold vs Error Amp Output Voltage 1 125 C A 0.6 0.4 0 – –0.2 –0 ...
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V DC > MIN R < LINE + + C Current Mode Controller AS384x ENABLE OUT 5 16 V/10 V (3842/4) GND 8.4 V/7.8 V (3843/5) PRI SEC 6 ...
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Current Mode Controller ...
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REG PWM R T CLOCK 4 OSCILLATOR AS3842 T 5 GND Current Mode Controller C T OUTPUT 6 OUTPUT Large OUTPUT Small R /Small ...
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Current Mode Controller ...
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V REG Open AS3842 Collector R T Output GND SYNC COMPENSATION NETWORK V OUT Current Mode Controller 5 V Open Collector 3 K Output EXTERNAL ...
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Current Mode Controller 80 Gain 60 Phase – Frequency (Hz) 240 210 180 150 V OUT 120 –30 –60 6 ...
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Current Mode Controller ...
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Current Mode Controller AS3842/3/4/5 COMP 1 ERROR AMP + 2 Ð PWM COMPARATOR Ð CURRENT CLOCK SENSE 4 RT/ Leading Edge Filter N ...
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AVG AVG (a) V COMP AVG 1 AVG ...
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Current Mode Controller SLOPE (a) V REG R /C OPTIONAL T T BUFFER AS3842 I R SLOPE SENSE GND ...
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Current Mode Controller ...