CM6503/4

2002/07/16

Champion Microelectronic Corporation

Page 4

CM6503/4

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VCC OVP Comparator

Threshold Voltage

19

19.4

20

V

Hysteresis

1.4

1.5

1.65

V

Threshold Voltage

-0.9

-1

-1.15

V

Delay to Output

150

300

ns

Oscillator

Initial Accuracy

62

67

74

kHz

Voltage Stability

1

%

Temperature Stability

2

%

Total Variation

Line, Temp

60

67

74.5

kHz

PFC Dead Time (Note 2)

0.3

0.45

0.65

µs

PFC

Minimum Duty Cycle

0

%

Maximum Duty Cycle

90

95

%

Output Low Impedance

8

15

ohm

0.8

1.5

V

Output Low Voltage

0.4

0.8

V

Output High Impendence

8

15

ohm

Output High Voltage

13.5

14.2

V

Rise/Fall Time (Note 2)

50

ns

PWM Clock

CM6503

49.5

50

%

Duty Cycle Range

CM6504

49.5

50

%

Output Low Impedance

8

15

ohm

0.8

1.5

V

Output Low Voltage

0.7

1.5

V

Output High Impendence

8

15

ohm

Output High Voltage

13.5

14.2

V

Rise/Fall Time (Note 2)

50

ns

Supply

Start-Up Current

100

150

uA

Operating Current

2.5

4.0

mA

Undervoltage Lockout Threshold

14.7

15

15.3

V

Undervoltage Lockout Hysteresis

4.85

5

5.15

V

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

Note 2: Guaranteed by design, not 100% production test.