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ML4826 Datasheet(PDF) 2 Page - Micro Linear Corporation |
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ML4826 Datasheet(HTML) 2 Page - Micro Linear Corporation |
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2 / 16 page  ML4826 2 PIN CONFIGURATION PIN DESCRIPTION PIN NAME FUNCTION 11 AGND Analog signal ground 12 PGND Return for the PWM totem-pole outputs 13 PWM 2 PWM driver 2 output 14 PWM 1 PWM drive 1 output 15 PFC OUT PFC driver output 16 VCC2 Positive supply for the PWM drive outputs 17 VCC1 Positive supply (connected to an internal shunt regulator). 18 VREF Buffered output for the internal 7.5V reference 19 VFB PFC transconductance voltage error amplifier input 20 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 9 RAMP 2 When in current mode, this pin functions as the current sense input; when in voltage mode, it is the PWM input from the PFC output (feedforward ramp) 10 DC ILIMIT PWM current limit comparator input 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 IEAO IAC ISENSE VRMS SS VDC RTCT RAMP 1 RAMP 2 DC ILIMIT VEAO VFB VREF VCC2 VCC1 PFC OUT PWM 1 PWM 2 PGND AGND TOP VIEW ML4826 20-Pin PDIP (P20) 20-Pin SOIC (S20) |
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Similar Description - ML4826 |
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