ML4841
PIN CONFIGURATION
ML4841
16-Pin PDIP (P16)
16-Pin Wide SOIC (S16W)
IEAO 1
IAC 2
ISENSE 3
VRMS 4
SS 5
VDC 6
RT/CT 7
RAMP 1 8
16 VEAO
15 VFB
14 VREF
13 VCC
12 PFC OUT
11 PWM OUT
10 GND
9
RAMP 2
TOP VIEW
PIN DESCRIPTION
PIN
NAME
FUNCTION
PIN
NAME
FUNCTION
1
2
3
4
5
6
7
8
IEAO
I
AC
I
SENSE
V
RMS
SS
V
DC
R
T
C
T
RAMP 1
PFC transconductance current error
amplifier output
PFC gain control reference input
9
10
11
RAMP 2
GND
PWM ramp current sense input
Ground
PWM OUT PWM driver output
PFC OUT
V
CC
V
REF
V
FB
VEAO
PFC driver output
Positive supply (connected to an
internal shunt regulator).
Buffered output for the internal 7.5V
reference
PFC transconductance voltage error
amplifier input
PFC transconductance voltage error
amplifier output
Current sense input to the PFC current
limit comparator
Input for PFC RMS line voltage
compensation
Connection point for the PWM soft start
capacitor
PWM voltage feedback input
Connection for oscillator frequency
setting components
PFC ramp input
12
13
14
15
16
2
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
