CM6824IS Champion Microelectronic Corp., CM6824IS Datasheet - Page 5

• Manufacturer Part Number: CM6824IS
• Description: Low Start-Up Current PFC/PWM Controller Combo
• Manufacturer: Champion Microelectronic Corp.

ELECTRICAL CHARACTERISTICS
Vcc=+15V, R
2002/09/20
Symbol
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
Threshold Voltage
Hysteresis
Threshold Voltage
(PFC I
Output)
Delay to Output (Note 4)
Threshold Voltage
Delay to Output (Note 4)
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
Preliminary
T
= 52.3kΩ, C
LIMIT
SENSE
V
-I
TH
Parameter
OFFSET
T
– Gain Modulator
= 470pF, T
)
Rev. 1.1
A
=Operating Temperature Range (Note 1)
L
OW
Low Power Detect Comparator
S
Champion Microelectronic Corporation
TART-
I
I
I
I
AC
AC
AC
AC
VCC OVP Comparator
PFC OVP Comparator
PFC I
DC I
V
I
Overdrive Voltage = -100mV
= 100µA, V
= 150µA, V
= 300µA, V
= 250µA, V
I
AC
Overdrive Voltage = 100mV
I
V
SENSE
SENSE
IN
GAIN Modulator
(Conti.)
RAMP2
= 100µA, V
OK Comparator
LIMIT
LIMIT
U
Oscillator
11V < V
11V < V
Test Conditions
= +0.5V, IEAO = 4.0V
P
= -0.5V, IEAO = 1.5V
Comparator
= 0V, V
I
Comparator
Line, Temp
AC
T
C
A
Unless otherwise stated, these specifications apply
RMS
RMS
RMS
RMS
= 100µA
= 25℃
URRENT
CC
CC
RMS
= 1.1V, V
= 1.8V, V
= 3.3V, V
= 1.1V, V
RAMP1
< 16.5V
< 16.5V
= V
= 2.5V
FB
= 0V
FB
FB
FB
FB
PFC/PWM C
= 0V
= 0V
= 0V
= 0V
-1.10
Min.
2.70
1.40
0.95
2.35
0.36
1.20
0.55
0.14
0.70
230
500
0.4
0.8
6.5
35
60
60
19
80
66
68
ONTROLLER
CM6824
-1.00
Typ.
2.77
19.4
2.45
0.55
1.80
0.80
0.20
0.80
200
250
250
-65
0.5
1.5
1.0
1.0
2.5
75
70
75
10
1
2
CM6824
-0.90
Max.
2.85
1.65
1.05
2.55
0.66
2.24
1.01
0.26
0.90
75.5
10.5
290
700
-35
0.6
1.2
Page 5
20
84
C
OMBO
MHz
Unit
kHz
kHz
mV
mV
mA
µA
µA
dB
dB
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V