Datasheet TOP242, TOP243, TOP244, TOP245, TOP246, TOP247, TOP248, TOP249, TOP250 (Power Integrations) - 3

TOP242-250 CONTROL (C) V DRAIN C (D) 0 INTERNAL ZC SUPPLY 1 SHUNT REGULATOR/ ERROR AMPLIFIER + SOFT START - 5.8 V 4.8 V - + 5.8 V INTERNAL UV IFB COMPARATOR VI (LIMIT) CURRENT LIMIT SOFT ADJUST START -
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8 ON/OFF EXTERNAL + SHUTDOWN/ CURRENT LIMIT AUTO-RESTART CURRENT LIMIT (X) VBG + VT COMPARATOR HYSTERETIC STOP THERMAL LOGIC LINE-SENSE SHUTDOWN 1 V CONTROLLED (L) TURN-ON VBG GATE DRIVER STOP SOFT- OV/UV START D LINE MAX DC SENSE MAX DCMAX CLOCK FREQUENCY (F) HALF SAW S Q LEADING FREQ. - EDGE R + BLANKING OSCILLATOR WITH JITTER PWM COMPARATOR LIGHT LOAD R FREQUENCY E REDUCTION SOURCE (S)
PI-2639-031915 Figure 2a. Functional Block Diagram (Y, R or F Package).
CONTROL (C) V DRAIN C (D) 0 INTERNAL ZC SUPPLY 1 SHUNT REGULATOR/ ERROR AMPLIFIER + SOFT START - 5.8 V 4.8 V - + 5.8 V INTERNAL UV IFB COMPARATOR VI (LIMIT) CURRENT LIMIT SOFT START - ADJUST
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8 ON/OFF + SHUTDOWN/ MULTI- AUTO-RESTART CURRENT LIMIT FUNCTION VBG + VT COMPARATOR (M) HYSTERETIC STOP THERMAL LOGIC SHUTDOWN CONTROLLED VBG TURN-ON GATE DRIVER STOP SOFT- OV/UV START D LINE MAX DC SENSE DC MAX MAX CLOCK SAW S Q - LEADING EDGE R + BLANKING OSCILLATOR WITH JITTER PWM COMPARATOR LIGHT LOAD R FREQUENCY E REDUCTION SOURCE (S)
PI-2641-031915 Figure 2b. Functional Block Diagram (P or G Package).
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Rev. R 10/20 www.power.com