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