ML4827

3

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 ................ 500mA

Peak PWM OUT Current, Source or Sink .............. 500mA

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 ....................................................... 80°C/W

Plastic SOIC .................................................. 105°C/W

OPERATING CONDITIONS

Temperature Range

ML4827CX ................................................. 0°C to 70°C

ML4827IX .............................................. –40°C to 85°C

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOLTAGE ERROR AMPLIFIER

Input Voltage Range

0

7

V

Transconductance

50

85

120

µ

Feedback Reference Voltage

2.48

2.55

2.62

V

Input Bias Current

Note 2

–1

–2

µA

Output High Voltage

6.0

6.7

V

Output Low Voltage

0.6

1.0

V

Source Current

–40

–80

µA

Sink Current

40

80

µA

Open Loop Gain

60

75

dB

Power Supply Rejection Ratio

60

75

dB

CURRENT ERROR AMPLIFIER

Input Voltage Range

–1.5

2

V

Transconductance

130

195

310

µ

Input Offset Voltage

2

10

17

mV

Input Bias Current

–0.5

–1.0

µA

Output High Voltage

6.0

6.7

V

Output Low Voltage

0.6

1.0

V

Source Current

–40

–90

µA

Sink Current

40

90

µA

Open Loop Gain

60

75

dB

Power Supply Rejection Ratio

60

75

dB

OVP COMPARATOR

Threshold Voltage

2.6

2.7

2.8

V

Hysteresis

80

115

150

mV