UC3843A datasheet(5/6 Pages) FCI

Part #	UC3843A

Description	High Performance Current Mode Controller

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Manufacturer	FCI [First Components International]

Direct Link	http://www.cotra.com.tw/

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5 / 6 page

UC3843A High Performance

Current Mode Controller

FIGURE 7 - ERROR AMP OPEN-LOOP GAIN

AND PHASE versus FREQUENCY

FREQUENCY (Hz)

FIGURE 8 - CURRENT SENSE INPUT THRESHOLD

versus ERROR AMP OUTPUT VOLTAGE

ERROR AMP OUTPUT VOLTAGE (V)

FIGURE 10 - REFERENCE SHORT CIRCUIT CURRENT

versus TEMPERATURE

AMBIENT TEMPERATURE (oC)

FIGURE 9 - REFERENCE VOLTAGE CHANGE

versus SOURCE CURRENT

REFERENCE SOURCE CURRENT (mA)

FIGURE 11 - REFERENCE LOAD REGULATION

2.0 mS/DIV

FIGURE 12 - REFERENCE LINE REGULATION

2.0 mS/DIV

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