CM6901

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

2009/11/02 Rev1.4

Champion Microelectronic Corporation

Page 7

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)

Initial Accuracy

TA=25℃

72

80

88

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 (pin12)

Maximum Duty cycle

TA=25℃

35

40

45

%

Middle Duty cycle

TA=25℃

22

24.5

27

%

Minimum Duty cycle

TA=25℃

2.5

4.65

6.8

%

Frequency at Minimum Duty

cycle

TA=25℃

36

39

42

KHz