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CM6502S Datasheet PDF : 20 Pages
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CM6502S (Dynamic Soft PFC)
http://www.championmicro.com.tw
EPA/90+ ZVS-Like PFC CONTROLLER
Design for High Efficient Power Supply at both Full Load and Light Load
Simplified Block Diagram (CM6502S)
14
VEAO
VFB
13
2.5V
GMv
+
.
-
IAC
2 IAC
4 VRMS
3 ISENSE
Gain Modulator
Imul
Dynamic Soft
1 IEAO
Rmul
GMi
+
.
-
PFC CMP
+
-
Rmul
PFC RAMP
PFC
7 RAMP1
RTCT
RTCT
.
VFB
2.75V
2.5V
VRMS
1.25V
1.0V
PFC OVP
+
.
-
-
VINOK
+
.
-
-
PFC Tri-Fault
0.5V
+
VFB
-
PFC ILIMIT
-1.0V
+
ISENSE
-
Green PFC
0.3V
+
VEAO
-
PFCCLK=0.25 RTCT Frequency
RTCT CLK
12 VREF
7.5V
REFERENCE
16.5V
Shunt
VCC
11
S
Q
R
Q
S
Q
R
Q
VCC
50 Ohm ON
30 Ohm OFF
PFC OUT
10
17V
ZENER
PGTHL
6
VREF+2.5V
10uA
SS
5
REFOKB
300Ohm
VINOKB
300 Ohm
VFB
2.3V
+ PG
.
-
VCC
30 Ohm OFF
SUPPORT
13V
10V
UVLO
PGB
9
17V
ZENER
GND
8
ORDERING INFORMATION
Part Number
CM6502SXIS*
CM6502SXIP*
*Note: X : Suffix for Halogen Free Product
Temperature Range
-40℃ to 125℃
-40℃ to 125℃
Package
14-Pin Narrow SOP (S14)
14-Pin Narrow DIP (P14)
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
VCC
IEAO
ISENSE Voltage
PFC OUT
IREF
IAC Input Current
Peak PFC OUT Current, Source or Sink
PFC OUT, Energy Per Cycle
Junction Temperature
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (θJA)
Plastic DIP
Plastic SOIC
Min.
0
-5
GND – 0.3
-65
-40
Max.
18
VREF+0.3
0.7
VCC + 0.3
5
1
0.5
1.5
150
150
125
260
80
105
Units
V
V
V
V
mA
mA
A
μJ
℃
℃
℃
℃
℃/W
℃/W
2008/10/09 Rev. 1.0
Champion Microelectronic Corporation
4
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