2

REV. 1.0.4 3/15/04

FAN2558/FAN2559

PRODUCT SPECIFICATIONS

Pin Assignments

Pin Descriptions

Pin no.

Pin Name

FAN2558

FAN2558ADJ

FAN2559

5SOT-23

2x2mm MLP-6

6SOT-23

2x2mm MLP-6

6SOT-23

2x2mm MLP-6

2

GND.

NC

GND.

ADJ

GND.

BYP

3EN

PG

EN

PGENPG

4PG

EN

PG

ENPGEN

GND

ADJ

GND

BYP

GND

Symbol

Pin Function Description

Power Supply Input

Regulated Voltage Output

GND

Ground Connection

PG

Power Good Output, Open Drain

ADJ

BYP

Reference Noise Bypass

EN

Chip Enable Input. The regulator is fully enabled when TTL “H” is applied to this input. The regulator

enters into shutdown mode when TTL “L” is applied to this input.

FAN2558

5-Lead SOT-23 PACKAGE

GND

V

IN

EN

PG

VOUT

1

2

34

5

FAN2558/FAN2558ADJ/FAN2559

2x2mm MLP-6 PACKAGE

V

OUT

PG

NC/ADJ/BYP

GND

V

IN

EN

FAN2558ADJ/FAN2559

6-Lead SOT-23 PACKAGE

GND

V

IN

EN

ADJ/BYP

PG

VOUT

1

2

34

5

6

TOP-VIEW

1

2

3

6

5

4