CM6805(A;B)/CM6806A
10-PIN Green-Mode PFC/PWM Combo CONTROLLER for High Density AC Adapter
ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply Vcc=+14V,
TA=Operating Temperature Range (Note 1)
CM6805A/CM6806A
Symbol
Parameter
Test Conditions
Unit
Min.
Typ.
Max.
Voltage Error Amplifier (gmv
)
Input Voltage Range
Transconductance
Feedback Reference Voltage
Input Bias Current
0
5
V
μmho
V
VNONINV = VINV, VEAO = 3.75V
Note 2
30
65
2.5
-0.5
6.0
0.1
-35
40
90
2.43
2.56
-1.0
μA
V
Output High Voltage
Output Low Voltage
Sink Current
5.8
0.4
-20
V
VFB = 3V, VEAO = 6V
μA
μA
dB
dB
Source Current
VFB = 1.5V, VEAO = 1.5V
30
50
50
Open Loop Gain
60
Power Supply Rejection Ratio
11V < VCC < 16.5V
IAC
60
ISENSE = 0V, TA=25℃
Input Impedance
35
40
45
K ohm
VCC OVP Comparator
PFC OVP Comparator
PFC ILIMIT Comparator
VIN OK Comparator
Threshold Voltage
Hysteresis
17.3
1.3
17.9
1.5
18.5
1.75
V
V
Threshold Voltage
Hysteresis
2.64
230
2.77
2.85
300
V
mV
Threshold Voltage
Delay to Output
-1.15
-1
-0.88
300
V
150
ns
Threshold Voltage
2.30
1.65
2.07
1.4
2.45
1.75
2.15
1.5
2.55
1.85
2.23
1.6
V
V
V
V
Hysteresis
Threshold Voltage (CM6805B/C)
Hysteresis (CM6805B/C)
PWM Digital Soft Start
Right After Start Up
Digital Soft Start Timer (Note 2)
10
ms
V + I Comparator
Threshold Voltage
Normal operation without soft start
1.38
1.5
150
150
1.62
300
200
V
Delay to Output (Note 2)
Threshold Voltage
Ns
mV
During soft start condition
100
PFC Tri-Fault Detect Comparator
Fault Detect HIGH
2.70
2.77
2
2.85
4
V
ms
V
VFB=VFAULT DETECT LOW to VFB = OPEN,
470pF from VFB to GND
Time to Fault Detect HIGH
Fault Detect LOW
0.4
0.5
0.6
2006/10/11 Rev1.0
Champion Microelectronic Corporation
Page 4
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
