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HA16178FP Datasheet(PDF) 3 Page - Renesas Technology Corp |
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HA16178FP Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 25 page HA16178P/FP REJ03D0903-0100 Rev.1.00 Jun 12, 2007 Page 3 of 24 Block Diagram Gate Driver ± 1.0 A (PEAK) 5 V Internal Bias VCC IAC CS CAO PGND FB EO OUT 27.5 V 5 V VREF Generator PFC-ON 0.1 µ VREF UVL PFC-DT RAMP RT K = 0.20 K = 0.05 B+OVP PFC-OFF 25 µA SS CT Oscillator 65 kHz 15.4 µs 770 ns 0.65 V 3.6 V VAMP Gain Select FB LOW VREF GOOD VREF GOOD In Out CLIMIT 3.3 k 55 k CAMP VREF IMO = K × {IAC × (VEO – 1 V)} IMO IAC 2.5 V K – 0.30 V 0.50 V VREF 1.75 V 1.60 V 2.688 V 2.638 V VREF SS Gain Selector UVLO H L 10.5 V 9.0 V R S Q Q R S Q Q 6 1 15 2 SGND 3 16 9 10 7 12 8 14 13 5 |
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