CM6903IS CHAMP [Champion Microelectronic Corp.], CM6903IS Datasheet - Page 4

• Manufacturer Part Number: CM6903IS
• Description: Low Pin Count PFC/PWM Controller Combo
• Manufacturer: CHAMP [Champion Microelectronic Corp.]

ELECTRICAL CHARACTERISTICS
Vcc=+15V, R
2002/12/16
Symbol
Threshold Voltage
Hysteresis
Threshold Voltage
Delay to Output
Threshold Voltage
Hysteresis
Digital Soft Start Timer (Note 2)
Threshold Voltage
Delay to Output (Note 2)
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
PFC Dead Time (Note 2)
Minimum Duty Cycle
Maximum Duty Cycle
Output Low Impedance
Output Low Voltage
Output High Impendence
Output High Voltage
Rise/Fall Time (Note 2)
Preliminary
T
= 52.3kΩ, C
Parameter
T
= 470pF, T
Rev. 0.4
A
=Operating Temperature Range (Note 1)
Tri-Fault Detect Comparator
V
Champion Microelectronic Corporation
Low Pin Count PFC/PWM C
FB
I
PWM Digital Soft Start
AC
PFC OVP Comparator
PFC I
DC I
=V
I
Right After Start Up (CM6903)
Right After Start Up (CM6904)
V
AC
=100uA,V
IN
(Conti.) Unless otherwise stated, these specifications apply
FAULT DETECT LOW
=0uA,V
I
OUT
470pF from V
I
OK Comparator
OUT
LIMIT
LIMIT
Oscillator
Test Conditions
10V < V
= 100mA, V
I
= -10mA, V
PFC
OUT
Comparator
C
Comparator
Line, Temp
FB
T
L
FB
A
= 1000pF
=2.0V, I
= -100mA
=2.55V, I
= 25℃
CC
FB
< 15V
to V
CC
CC
to GND
SENSE
= 15V
SENSE
= 8V
FB
= OPEN,
= 0V
= 0V
Min.
2.70
2.35
1.65
2.65
13.5
230
-0.9
1.4
0.4
0.3
62
60
90
CM6903/4
ONTROLLER
Typ.
2.77
2.45
1.75
2.75
0.45
14.2
150
150
1.5
0.5
0.8
0.4
10
67
67
95
50
-1
5
2
1
2
8
8
CM6903/4
-1.15
Max.
2.85
2.55
1.85
2.85
74.5
0.65
290
300
300
1.6
0.6
1.5
0.8
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15
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0
C
OMBO
Unit
ohm
ohm
kHz
kHz
mV
ms
ms
ms
ns
ns
µs
ns
%
%
%
%
V
V
V
V
V
V
V
V
V
V