CM6802SAH/SBH (Turbo-Speed PFC+Green PWM)
EPA/85+ ZVS-Like PFC+PWM COMBO CONTROLLER
http://www.championmicro.com.tw
Design for High Efficient Power Supply at both Full Load and Light Load
ELECTRICAL CHARACTERISTICS:
(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, RT = 5.88 kΩ, CT = 1000pF,
TA=OperatingTemperature Range (Note 1)
CM6802SAH/SBH
Symbol
Parameter
Test Conditions
Unit
Min.
Typ.
Max.
Current Error Amplifier (gmi)
Input Voltage Range (Isense pin)
-1.2
50
0.7
85
V
μmho
VNONINV = VINV, IEAO = 1.5V @ T=25℃
Transconductance
Input Offset Voltage
Output High Voltage
Output Low Voltage
Sink Current
67
VEAO=0V, IAC is open
-10
6.8
50
mV
V
7.4
0.1
7.7
0.4
-28.4
V
μA
ISENSE = -0.5V, IEAO = 1.5V @ T=25℃
ISENSE = +0.5V, IEAO = 4.0V @ T=25℃
DC Gain
-40
25.2
30
-35.5
μA
Source Current
32
40
75
40
Open Loop Gain
dB
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
60
PFC OVP Comparator
Threshold Voltage
Hysteresis
2.70
200
2.85
0.28
3.0
V
320
mV
PFC Green Power Detect Comparator
Veao Threshold Voltage
0.17
2.70
0.4
V
Tri-Fault Detect
Fault Detect HIGH
2.85
2
3.0
4
V
ms
V
Time to Fault Detect HIGH
VFB=VFAULT DETECT LOW to
VFB=OPEN, 470pF from VFB to GND
Fault Detect Low
PFC ILIMIT Comparator
Threshold Voltage
0.1
0.28
0.4
-1.10
70
-1.00
200
-0.90
V
(PFCILIMIT– Gain Modulator
Output)
mV
ns
Delay to Output (Note 4)
Overdrive Voltage = -100mV
700
2009/11/02 Rev. 1.5
Champion Microelectronic Corporation
6
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
