http://www.championmicro.com.tw

EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

Design for High Efficient Power Supply at both Full Load and Light Load

Champion Microelectronic Corporation

8

CM6802A/B/AH/BH

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Reference

Output Voltage

7.3

7.5

7.7

V

Line Regulation

3

5

mV

VCC=10.5V,0mA < I(VREF) < 2mA;

@ T=25℃

25

50

mV

Load Regulation

VCC=14V,0mA < I(VREF) < 3.5mA;

25

50

mV

Temperature Stability

0.4

%

Total Variation

Line, Load, Temp

7.2

7.8

V

Long Term Stability

5

25

mV

PFC

Minimum Duty Cycle

IEAO > 4.5V

0

%

Maximum Duty Cycle

95

97

%

11.5

15

ohm

18

ohm

Output Low Rdson

0.5

1

V

24

30

ohm

Output High Rdson

40

ohm

Rise/Fall Time (Note 4)

50

ns

PWM

Duty Cycle Range

0-49.5

0-50

%

11.5

15

ohm

18

ohm

Output Low Rdson

0.5

1

V

26.5

40

ohm

Output High Rdson

40

ohm

Rise/Fall Time (Note 4)

50

ns

PWM Comparator Level Shift

1.6

1.8

2

V

Soft Start

Soft Start Current

Room Temperature=25℃

7

8.5

10.5

Supply

Start-Up Current

50

65

Operating Current

2.5

3.5

mA

Undervoltage Lockout Threshold

CM6802A/B/AH/BH

12.35

12.85

13.45

V

Undervoltage Lockout Hysteresis

CM6802A/B/AH/BH

2.8

2.95

3.1

V

Shunt Regulator (VCC zener)

Zener Threshold Voltage

Apply VCC with Iop=20mA

16.2

16.8

17.4

V

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.

Note 4: Guaranteed by design, not 100% production test.