CM6800T
(Turbo-Speed PFC+Green PWM)
http://www.championmicro.com.tw
EPA/85+
PFC+PWM COMBO CONTROLLER
Design for High Efficient Power Supply
2010/08/03
Rev. 1.2
Champion Microelectronic Corporation
2
APPLICATIONS PIN
CONFIGURATION
EPA/85+ related Power Supply
Desktop PC Power Supply
Internet Server Power Supply
LCD Power Supply
PDP Power Supply
IPC Power Supply
UPS
Battery Charger
DC Motor Power Supply
Monitor Power Supply
Telecom System Power Supply
Distributed Power
SOP-16 (S16) / PDIP-16 (P16)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
I
EAO
I
AC
I
SENSE
V
RMS
SS
V
DC
R
AMP1
R
AMP2
V
EAO
V
FB
V
REF
V
CC
PFC OUT
PWM OUT
GND
DC I
LIMIT
PIN DESCRIPTION
Operating Voltage
Pin No.
Symbol
Description
Min. Typ. Max.
Unit
1
I
EAO
PFC transconductance current error amplifier output
(Gmi).
0
VREF
V
2
I
AC
IAC has 2 functions:
1. PFC gain modulator reference input.
2. Typical RAC resistor is about 6 Mega ohm to sense
the line.
0
100
uA
3
I
SENSE
PFC Current Sense: for both Gain Modulator and PFC
ILIMIT comparator.
-1.3 0.7 V
4
V
RMS
Line Input Sense pin and also, it is the brown out sense
pin.
0 8
V
5 SS
Soft start capacitor pin; it is pulled down by 70K ohm
internal resistor when DCILIMIT reach 1V; the power is
limited during the PWM Brown out.
0
VCC
V