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
3
6 V
DC
DC to DC PWM voltage feedback input.
0 10 V
7
RAMP1
(RTCT)
Oscillator timing node; timing set by RT and CT
0.8
4 V
8
RAMP 2
(PWM
RAMP)
In current mode, this pin functions as the current
sense input; when in voltage mode, it is the
feed-forward sense input from PFC output 380V (feed
forward ramp).
0
V
DC
max
-1.8
V
9 DC
I
LIMIT
PWM current limit comparator input
0 1 V
10 GND
Ground
11 PWM
OUT
PWM driver output
0 VCC
V
12 PFC
OUT
PFC driver output
0 VCC
V
13 V
CC
Positive supply for CM6800T
10 15 18 V
14 VREF
Maximum 3.5mA buffered output for the internal 7.5V
reference when VCC=14V
7.5 V
15 V
FB
PFC transconductance voltage error amplifier input
0 2.5 3 V
16 VEAO
PFC transconductance voltage error amplifier output
(GmV)
0 6 V
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM6800TXIP*
-40
℃
to 125
℃
16-Pin PDIP (P16)
CM6800TXIS*
-40
℃
to 125
℃
16-Pin Narrow SOP (S16)
CM6800TXISTR*
-40
℃
to 125
℃
16-Pin Narrow SOP (S16)
*Note:
X : Suffix for Halogen Free and PB Free Product
TR : Package is Typing Reel
