CM2026

2002/05/29

Rev. 2

Champion Microelectronic Corporation

Page 2

PIN DESCRIPTION

Pin No.

Symbol

Description

1,4

EN(1/2)

1.

typical. Low input < 1.9V typical. Do not float.

2.

typical. Low input < 3.3V typical. Do not float.

2,3

FLG(1/2)

Fault Flag (Output): open-drain output. Indicates overcurrent, UVLO, and thermal

shutdown.

6

GND

Ground: Supply return.

7

IN

Supply Input: Output MOSFET drain. Also supplies IC's internal circuitry. Connect

to positive supply.

8,5

OUT(1/2)

Switch Output: Output MOSFET source. Typically connect to switched side of

load.

BLOCK DIAGRAM

4.5~5V

1

2

3

4

5V

R4

10K

usb mcu

R1

47K

R2

47K

CM1085

U1

CM2026

2

1

3

4

5

6

7

8

FLG1

EN1

FLG2

EN2

OUT2

GND

IN

OUT1

J3

USBPORT1

1

2

3

4

R3

10K

3.3V

J2

USBPORT1

1

2

3

4

VIN

C1

0.1U

3.3 USB CPU

ON/OFF

ON/OFF

ORDERING INFORMATION

Part Number

Enable

Temperature Range

Package

CM2026IS

Active High

-40℃ to +85℃

8-Pin SOIC (S08)

CM2026IP

Active High

-40℃ to +85℃

8-Pin PDIP (P08)