ML4803

3

February 1999

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

Peak PFC OUT Current, Source or Sink ....................... 1A

Peak PWM OUT Current, Source or Sink ..................... 1A

PFC OUT, PWM OUT Energy Per Cycle .................. 1.5µJ

Junction Temperature .............................................. 150°C

Storage Temperature Range ..................... –65°C to 150°C

Lead Temperature (Soldering, 10 sec) ..................... 260°C

Thermal Resistance (

Plastic DIP ..................................................... 110°C/W

Plastic SOIC ................................................... 160°C/W

OPERATING CONDITIONS

Temperature Range

ML4803CX-X ............................................. 0°C to 70°C

ML4803IX-X ............................................-40°C to 85°C

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

ONE-PIN ERROR AMPLIFIER

VEAO Output Current

33.5

35.0

36.5

µA

Line Regulation

0.1

0.3

µA

Threshold Voltage

15.5

16.0

16.5

V

Threshold Voltage

-0.9

-1

-1.15

V

Delay to Output

150

300

ns

Threshold Voltage

1.4

1.5

1.6

V

Delay to Output

150

300

ns

OSCILLATOR

Initial Accuracy

626774

kHz

Voltage Stability

1

%

Temperature Stability

2%

Total Variation

Over Line and Temp

60

67

74.5

kHz

Dead Time

PFC Only

0.3

0.45

0.65

µs

PFC

Minimum Duty Cycle

0

%

Maximum Duty Cycle

90

95

%

Output Low Impedance

8

15

W

Output Low Voltage

0.8

1.5

V

0.7

1.5

V