CM6800
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
BLOCK DIAGRAM (CM6800)
1
13
16
VEAO
IEAO
VCC
PFC OVP
+
-
VREF
VCC OVP
2.75V
-
VCC
7.5V
+
-
.
14
+
17.9V
REFERENCE
0.3V
LOW POWER
DETECT
POWER
FACTOR
TRI-FAULT
VFB
GMv
-
15
0.5V
-
+
CORRECTOR
3.5K
GMi
.
S
R
Q
Q
+
PFC CMP
2.5V
+
+
.
MPPFC
VCC
IAC
-
-
2
-1V
+
-
GAIN
MODULATOR
PFC OUT
12
VRMS
S
Q
4
PFC ILIMIT
R
Q
3.5K
ISENSE
RAMP1
MNPFC
3
7
GND
OSCILLATOR
CLK
350
PFCOUT
PWM
DUTY
DUTY CYCLE
LIMIT
RAMP2
8
SW SPST
PWMOUT
PWM
CMP
-
VCC
MPPWM
+
1.5V
VDC
Vcc
PWM OUT
11
6
5
S
Q
- SS CMP
20uA
350
+
VFB
-
R
Q
-
+
1.0V
.
MNPWM
SS
2.45V
+
GND
VIN OK
DC ILIMIT
SW SPST
SW SPST
SW SPST
PULSE
WIDTH
VREF
MODULATOR
Q
S
R
VCC
UVLO
DC ILIMIT
9
GND
10
ORDERING INFORMATION
Part Number
CM6800GIP
CM6800GIS
CM6800XIP*
CM6800XIS*
Temperature Range
-40℃ to 125℃
-40℃ to 125℃
-40℃ to 125℃
-40℃ to 125℃
Package
16-Pin PDIP (P16)
16-Pin Wide SOP (S16)
16-Pin PDIP (P16)
16-Pin Wide SOP (S16)
*Note: G : Suffix for Pb Free Product
X : Suffix for Halogen Free Product
2008/10/23 Rev. 2.1
Champion Microelectronic Corporation
Page 3
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
