CM6800T Champion Microelectronic Corp., CM6800T Datasheet - Page 6

• Manufacturer Part Number: CM6800T
• Description: Epa/85+ Pfc+pwm Combo Controller Design For High Efficient Power Supply
• Manufacturer: Champion Microelectronic Corp.

http://www.championmicro.com.tw
ELECTRICAL CHARACTERISTICS:
(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, R
T
Current Error Amplifier (g
PFC OVP Comparator
PFC Green Power Detect Comparator
Tri-Fault Detect
PFC I
2010/08/03
A
Symbol
=Operating Temperature Range (Note 1)
LIMIT
Comparator
Input Voltage Range (Isense pin)
Transconductance
Input Offset Voltage
Output High Voltage
Output Low Voltage
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Veao Threshold Voltage
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect Low
Threshold Voltage
(PFCI
Output)
Delay to Output (Note 4)
Rev. 1.2
LIMIT
– Gain Modulator
Parameter
mi
)
Champion Microelectronic Corporation
V
VEAO=0V, IAC is open
I
I
DC Gain
11V < V
V
V
Overdrive Voltage = -100mV
SENSE
SENSE
NONINV
FB
FB
=V
=OPEN, 470pF from V
FAULT DETECT LOW
= -0.5V, IEAO = 1.5V @ T=25℃
= +0.5V, IEAO = 4.0V @ T=25℃
= V
CC
< 16.5V
INV
Test Conditions
, IEAO = 1.5V @ T=25℃
EPA/85+ PFC+PWM COMBO CONTROLLER
CM6800T
to
FB
Design for High Efficient Power Supply
to GND
(Turbo-Speed PFC+Green PWM)
T
= 5.88 kΩ, C
-1.35
Min.
2.60
0.14
2.70
-1.2
130
300
-10
6.8
-40
0.1
50
27
30
60
CM6800T
T
-1.25
Typ.
2.75
0.26
2.85
0.28
450
700
= 1000pF,
7.4
0.1
-34
67
32
40
75
2
Max.
-1.15
2.85
220
-28
0.7
7.7
0.4
0.4
3.0
0.4
85
50
37
4
6
μ
Unit
mV
μ
μ
mV
mV
ms
dB
dB
ns
mho
V
V
V
V
V
V
V
V
A
A