CM6824 Datasheet, PDF (5/18 Pages) List of Unclassifed Manufacturers – LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO

CM6824
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
ELECTRICAL CHARACTERISTICS (Conti.) Unless otherwise stated, these specifications apply
Vcc=+15V, RT = 52.3kΩ, CT = 470pF, TA=Operating Temperature Range (Note 1)
Symbol
Parameter
Test Conditions
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
Threshold Voltage
Hysteresis
Threshold Voltage
(PFC ILIMIT VTH – Gain Modulator
Output)
Delay to Output (Note 4)
Threshold Voltage
Delay to Output (Note 4)
Threshold Voltage
Hysteresis
Gain (Note 3)
Bandwidth
Output Voltage =
3.5K*(ISENSE-IOFFSET)
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
PFC Dead Time (Note 4)
CT Discharge Current
ISENSE = +0.5V, IEAO = 4.0V
ISENSE = -0.5V, IEAO = 1.5V
11V < VCC < 16.5V
PFC OVP Comparator
Low Power Detect Comparator
VCC OVP Comparator
PFC ILIMIT Comparator
Overdrive Voltage = -100mV
DC ILIMIT Comparator
Overdrive Voltage = 100mV
VIN OK Comparator
GAIN Modulator
IAC = 100µA, VRMS = VFB = 0V
IAC = 100µA, VRMS = 1.1V, VFB = 0V
IAC = 150µA, VRMS = 1.8V, VFB = 0V
IAC = 300µA, VRMS = 3.3V, VFB = 0V
IAC = 100µA
IAC = 250µA, VRMS = 1.1V, VFB = 0V
Oscillator
TA = 25℃
11V < VCC < 16.5V
Line, Temp
VRAMP2 = 0V, VRAMP1 = 2.5V
Min.
35
60
60
CM6824
Typ.
-65
75
70
75
Max.
-35
2.70
2.77
2.85
230
290
0.4
0.5
0.6
19
19.4
20
1.40
1.5
1.65
-1.10
80
-1.00
200
250
-0.90
0.95
1.0
1.05
250
2.35
2.45
2.55
0.8
1.0
1.2
0.36
1.20
0.55
0.14
0.70
0.55
1.80
0.80
0.20
10
0.80
0.66
2.24
1.01
0.26
0.90
66
75.5
1
2
68
84
2.5
500
700
6.5
10.5
Unit
µA
µA
dB
dB
V
mV
V
V
V
V
mV
ns
V
ns
V
V
MHz
V
kHz
%
%
kHz
V
ns
mA
2002/09/20 Preliminary Rev. 1.1
Champion Microelectronic Corporation
Page 5