CM6800
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
Min.
Max.
20
Units
V
VCC
IEAO
0
7.5
V
ISENSE Voltage
PFC OUT
-5
0.7
V
GND – 0.3
GND – 0.3
GND – 0.3
VCC + 0.3
V
VCC + 0.3
V
PWMOUT
Voltage on Any Other Pin
IREF
VCC + 0.3
V
10
1
mA
mA
A
IAC Input Current
Peak PFC OUT Current, Source or Sink
Peak PWM OUT Current, Source or Sink
1
1
A
μJ
PFC OUT, PWM OUT Energy Per Cycle
Junction Temperature
1.5
150
150
125
260
℃
℃
℃
℃
Storage Temperature Range
-65
-40
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (θJA)
Plastic DIP
Plastic SOIC
℃/W
℃/W
80
105
800
mW
Power Dissipation (PD) TA<50℃
ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply Vcc=+15V, RT
= 30.16kΩ, CT =1000pF, TA=Operating Temperature Range (Note 1)
CM6800
Symbol
Parameter
Test Conditions
Unit
Min.
Typ.
Max.
Voltage Error Amplifier (gmv
)
Input Voltage Range
0
6
V
V
NONINV = VINV, VEAO = 3.75V
μmho
Transconductance
50
70
90
at room temp
Feedback Reference Voltage
Input Bias Current
2.45
-1.0
5.8
2.5
-0.05
6.0
0.1
-35
40
2.55
V
μA
Note 2
Output High Voltage
Output Low Voltage
Sink Current
V
0.4
-20
V
μA
μA
VFB = 3V, VEAO = 6V
Source Current
VFB = 1.5V, VEAO = 1.5V
30
50
50
Open Loop Gain
60
dB
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
60
Current Error Amplifier (gmi)
Input Voltage Range
Transconductance
-1.5
50
0.7
100
25
V
V
NONINV = VINV, VEAO = 3.75V
μmho
85
at room temp
Input Offset Voltage
Output High Voltage
Output Low Voltage
-25
4.0
mV
V
4.25
1.0
1.2
V
2008/10/23 Rev. 2.1
Champion Microelectronic Corporation
Page 4
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
