CM6800 Champion Microelectronic Corp., CM6800 Datasheet - Page 6

• Manufacturer Part Number: CM6800
• Description: LOW START UP CURRENT PFC/PWM CONTROLLER COMBO
• Manufacturer: Champion Microelectronic Corp.

ELECTRICAL CHARACTERISTICS
Vcc=+15V, R
2004/02/11
Symbol
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
Threshold Voltage
Hysteresis
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Threshold Voltage
(PFC I
Output)
Delay to Output (Note 4)
Threshold Voltage
Delay to Output (Note 4)
OK Threshold Voltage
Hysteresis
Gain (Note 3)
Bandwidth
Output Voltage =
3.5K*(I
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
PFC Dead Time (Note 4)
CT Discharge Current
T
Rev. 1.6
= 52.3kΩ, C
LIMIT
SENSE
V
-I
TH
Parameter
OFFSET
T
– Gain Modulator
= 470pF, T
)
A
=Operating Temperature Range (Note 1)
Champion Microelectronic Corporation
L
OW
Low Power Detect Comparator
S
V
V
I
I
I
I
FB
FB
AC
AC
AC
AC
TART-
VCC OVP Comparator
PFC OVP Comparator
I
PFC I
=V
=OPEN.470pF from V
DC I
AC
V
= 100
= 150
= 300
= 250
Overdrive Voltage = -100mV
I
I
Overdrive Voltage = 100mV
V
SENSE
IN
SENSE
GAIN Modulator
FAULT DETECT LOW
Tri-Fault Detect
= 100
(Conti.)
RAMP2
OK Comparator
LIMIT
LIMIT
U
Oscillator
11V < V
11V < V
µ
µ
µ
µ
Test Conditions
= +0.5V, IEAO = 4.0V
= -0.5V, IEAO = 1.5V
P
µ
A, V
A, V
A, V
A, V
I
Comparator
= 0V, V
AC
Comparator
Line, Temp
T
A, V
C
A
= 100
Unless otherwise stated, these specifications apply
RMS
RMS
RMS
RMS
= 25℃
URRENT
CC
CC
RMS
RAMP1
< 16.5V
= 1.1V, V
= 1.8V, V
= 3.3V, V
= 1.1V, V
< 16.5V
to
µ
=0, V
A
FB
= 2.5V
to GND
FB
PFC/PWM C
FB
FB
FB
FB
= 1V
= 1V
= 1V
= 1V
= 1V
-1.10
Min.
2.70
17.5
1.40
2.65
0.95
2.35
0.95
0.70
1.80
0.90
0.25
0.84
230
600
0.2
0.4
6.5
35
60
60
20
66
68
CM6800/1
ONTROLLER
-1.00
Typ.
2.77
17.9
2.75
2.45
0.84
2.00
1.00
0.32
0.90
100
250
250
-65
0.3
1.5
0.5
1.0
1.2
2.5
75
70
75
10
2
1
2
CM6800/1
Max.
-0.90
2.85
18.5
1.65
2.85
1.05
2.55
0.95
2.20
1.10
0.40
0.95
290
860
-35
0.4
0.6
1.4
76
84
15
4
Page 6
C
OMBO
MHz
Unit
kHz
kHz
µ
µ
mV
mV
mA
ms
dB
dB
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V
V
A
A