CM6824
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
2002/09/20
Preliminary Rev. 1.1
Champion Microelectronic Corporation
Page 4
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
Min.
Max.
Units
VCC
23
V
IEAO
0
4.5
V
ISENSE Voltage
-5
0.7
V
GND – 0.3
VCC + 0.3
V
GND – 0.3
VCC + 0.3
V
PFC OUT
PWMOUT
Voltage on Any Other Pin
GND – 0.3
VREF + 0.3
V
IREF
10
mA
IAC Input Current
1
mA
Peak PFC OUT Current, Source or Sink
1
A
Peak PWM OUT Current, Source or Sink
1
A
PFC OUT, PWM OUT Energy Per Cycle
1.5
µJ
Junction Temperature
150
℃
Storage Temperature Range
-65
150
℃
Operating Temperature Range
-40
125
℃
Lead Temperature (Soldering, 10 sec)
260
℃
Thermal Resistance (θJA)
Plastic DIP
Plastic SOIC
80
105
℃
/W
℃
/W
ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply Vcc=+15V, R
T
= 52.3kΩ, CT = 470pF, TA=Operating Temperature Range (Note 1)
CM6824
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Voltage Error Amplifier (gmv)
Input Voltage Range
0
5
V
Transconductance
VNONINV = VINV, VEAO = 3.75V
50
85
120
µmho
Feedback Reference Voltage
2.45
2.5
2.55
V
Input Bias Current
Note 2
-1.0
-0.5
µA
Output High Voltage
5.8
6.0
V
Output Low Voltage
0.1
0.4
V
Sink Current
VFB = 3V, VEAO = 6V
-35
-20
µA
Source Current
VFB = 1.5V, VEAO = 1.5V
30
40
µA
Open Loop Gain
50
60
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
50
60
dB
Current Error Amplifier (gmi)
Input Voltage Range
-1.5
0.7
V
Transconductance
VNONINV = VINV, VEAO = 3.75V
130
195
310
µmho
Input Offset Voltage
-12
12
mV
Input Bias Current
-1.0
-0.5
µA
Output High Voltage
4.0
4.25
V
Output Low Voltage
0.65
1.0
V
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