CM6901

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs

2012/05/09 Rev2.0

Champion Microelectronic Corporation

Page 7

ELECTRICAL CHARACTERISTICS

(VCC=12V, RT=40.2K±1%, CT=1470PF±1%, Freq. = 50 KHz, Duty Cycle=48% , Temp=-40 ~ 125 ℃, unless otherwise

specified.)

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

RTCT Oscillator ; RT=40.2K±1%;CT=1470pF±1%, (pin 9)

Initial Accuracy

TA=25℃

45

50

55

Khz

Voltage Stability

11.5V < Vcc < 16.5V

1

%

Temperature Stability

2

%

Ramp Valley to Peak Voltage

2

V

CT Discharge Time

350

nS

Maximum Duty cycle

DEAO > 3.0V

48

%

Minimum Duty Cycle

DEAO < 1.2V

0

%

SR Ideal Diode ; Rset1=30.1K±1% ; Rset2=215K±1% (pin12)

Maximum Duty cycle

TA=25℃ , FEAO=2.2V

37.4

44

50.6

%

Middle Duty cycle

TA=25℃ , FEAO=1.57V

28.4

30.2

32

%

Minimum Duty cycle

TA=25℃ , FEAO=0V

26.37

29.3

32.23

%

Frequency at Minimum Duty

cycle

TA=25℃

22.14

24.6

27.06

KHz