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ML4805CS 数据表(PDF) 2 Page - Fairchild Semiconductor |
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ML4805CS 数据表(HTML) 2 Page - Fairchild Semiconductor |
2 / 13 page ML4805 2 REV. 1.1 3/9/2001 PIN CONFIGURATION PIN DESCRIPTION PIN NAME FUNCTION 9 RAMP 2 PWM ramp sense input 10 ILIM PWM current limit sense input 11 AGND Analog ground 12 PGND Power ground 13 PWM OUT PWM driver output 14 PFC OUT PFC driver output 15 VCC Positive supply (connected to an internal shunt regulator). 16 VREF Buffered output for the internal 7.5V reference 17 VFB PFC transconductance voltage error amplifier input 18 VEAO PFC transconductance voltage error amplifier output PIN NAME FUNCTION 1 IEAO PFC transconductance current error amplifier output 2IAC PFC gain control reference input 3ISENSE Current sense input to the PFC current limit comparator 4VRMS Input for PFC RMS line voltage compensation 5 SS Connection point for the PWM soft start capacitor 6VDC PWM voltage feedback input 7RTCT Connection for oscillator frequency setting components 8 RAMP 1 PFC ramp input 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 IEAO IAC ISENSE VRMS SS VDC RTCT RAMP 1 RAMP 2 VEAO VFB VREF VCC PFC OUT PWM OUT PGND AGND ILIM TOP VIEW ML4805 18-Pin PDIP (P18) 18-Pin SOIC (S18) |
类似零件编号 - ML4805CS |
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类似说明 - ML4805CS |
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