CM6901
SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs
ELECTRICAL CHARACTERISTICS
(VCC=12V, RT=43K±1%, CT=820pF±1%, Freq. = 80 KHz, Duty Cycle=48% , Temp=-40 ~ 125 ℃, unless otherwise specified.)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
RTCT Oscillator;RT=43K±1%;CT=820pF±1%, (pin 9)
TA=25℃
Initial Accuracy
72
80
1
88
Khz
%
Voltage Stability
11.5V < Vcc < 16.5V
Temperature Stability
Ramp Valley to Peak Voltage
CT Discharge Time
Maximum Duty cycle
Minimum Duty Cycle
SR Ideal Diode (pin12)
Maximum Duty cycle
Middle Duty cycle
2
%
2
V
350
48
0
nS
%
DEAO > 3.0V
DEAO < 1.2V
%
TA=25℃
TA=25℃
TA=25℃
35
22
40
45
27
%
%
%
24.5
4.65
Minimum Duty cycle
2.5
6.8
Frequency at Minimum Duty
cycle
TA=25℃
36
39
42
KHz
2009/11/02 Rev1.4
Champion Microelectronic Corporation
Page 7
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
