ML4803

PRODUCT SPECIFICATION

2

REV. 1.1.3 8/3/01

Pin Configuration

Pin Description

1

2

3

4

8

7

6

5

PFC OUT

GND

ISENSE

VEAO

PWM OUT

VCC

ILIMIT

VDC

TOP VIEW

8-Pin SOIC (S08)

8-Pin PDIP (P08)

ML4803

PIN

NAME

FUNCTION

1

PFC OUT

PFC driver output

2

GND

Ground

Current sense input to the PFC current limit comparator

4

VEAO

PFC one-pin error amplifier input

PWM voltage feedback input

PWM current limit comparator input

Positive supply (may require an external shunt regulator)

8

PWM OUT

PWM driver output

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.

Operating Conditions

(Industrial temp ranges available 2002)

Parameter

Min

Max

Unit

40

mA

18.3

V

-5

1

V

Voltage on Any Other Pin

GND – 0.3

V

Peak PFC OUT Current, Source or Sink

1

A

Peak PWM OUT Current, Source or Sink

1

A

PFC OUT, PWM OUT Energy Per Cycle

1.5

µJ

Junction Temperature

150

°C

Storage Temperature Range

-65°

150

°C

Lead Temperature (Soldering, 10 sec)

260

°C

Thermal Resistance (

Plastic DIP

Plastic SOIC

110

160

°C/W

°C/W

Temperature Range

ML4803CX-X

0°C to 70°C

ML4803IX-X

-40°C to 85°C