FAN4822

PRODUCT SPECIFICATION

2

REV. 1.0.1 8/10/01

Pin Configuration

Pin

Name

Function

1 (1)

VEAO

Transconductance voltage error amplifier output.

2 (2)

IEAO

Transconductance current error amplifier output.

3 (3)

Current sense input to the PFC current limit comparator.

4 (4)

PFC gain modulator reference input.

5 (5)

Input for RMS line voltage compensation.

6 (6)

Connection for oscillator frequency setting components.

7 (7)

ZV SENSE

Input to the high speed zero voltage crossing comparator.

8 (10)

GND

Analog signal ground.

9 (11)

PWR GND

Return for the PFC and ZVS driver outputs.

10 (12)

ZVS OUT

ZVS MOSFET driver output.

11 (13)

PFC OUT

PFC MOSFET driver output.

12 (14)

Shunt-regulated supply voltage.

13 (15)

REF

Buffered output for the internal 7.5V reference.

14 (16)

FB

Transconductance voltage error amplifier input.

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

VEAO

IEAO

ZV SENSE

N/C

FAN4822

16-Pin SOIC (S16W)

FAN4822

14-Pin DIP (P14)

FB

REF

PFC OUT

ZVS OUT

PWR GND

GND

N/C

TOP VIEW

1

2

3

4

5

6

7

14

13

12

11

10

9

8

VEAO

IEAO

ZV SENSE

FB

REF

PFC OUT

ZVS OUT

PWR GND

GND

TOP VIEW

Absolute Maximum Ratings

Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum rat-

ings are stress ratings only and functional device operation is not implied.

Parameter

Min

Max

Unit

mA

Peak Driver Output Current

±500

mA

Analog Inputs

–0.3

7

V

Junction Temperature

150

°C

Storage Temperature Range

–65

150

°C

Lead Temperature (Soldering, 10 sec)

150

°C

Thermal Resistance (

Plastic DIP

Plastic SOIC

80

110

°C/W

°C/W