CM6800 Champion Microelectronic Corp., CM6800 Datasheet - Page 2

• Manufacturer Part Number: CM6800
• Description: LOW START UP CURRENT PFC/PWM CONTROLLER COMBO
• Manufacturer: Champion Microelectronic Corp.

PIN DESCRIPTION
Pin No.
2004/02/11
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
IEAO
I
I
V
SS
V
RAMP 1
(RTCT)
RAMP 2
(PWM RAMP)
DC I
GND
PWM OUT
PFC OUT
V
V
V
VEAO
AC
SENSE
RMS
DC
CC
REF
FB
Symbol
Rev. 1.6
LIMIT
PFC transconductance current error amplifier output
PFC gain control reference input
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
Oscillator timing node; timing set by RT CT
When in current mode, this pin functions as the current sense
input; when in voltage mode, it is the PWM input from PFC
output (feed forward ramp).
PWM current limit comparator input
Ground
PWM driver output
PFC driver output
Positive supply
Buffered output for the internal 7.5V reference
PFC transconductance voltage error amplifier input
PFC transconductance voltage error amplifier output
Champion Microelectronic Corporation
L
OW
S
Description
TART-
U
P
C
URRENT
PFC/PWM C
Min.
1.2
10
-5
0
0
0
0
0
0
0
0
0
0
0
Operating Voltage
ONTROLLER
Typ.
7.5
2.5
15
CM6800/1
Max.
VCC
VCC
4.25
0.7
3.9
18
1
6
8
8
6
1
3
6
Page 2
C
OMBO
Unit
mA
V
V
V
V
V
V
V
V
V
V
V
V
V
V