ZXCT1107/1109/1110

LOW POWER HIGH-SIDE CURRENT MONITORS

ZXCT1107/1109/1110

Document number: DS35033 Rev. 1 - 2

2 of 17

www.diodes.com

MARCH 2011

© Diodes Incorporated

A Product Line of

Diodes Incorporated

Pin Descriptions

Package

SOT23

SOT23-5

Description

Name

ZXCT1107

ZXCT1109

ZXCT1110

OUT

1

1

1

1

3

Output pin. Current output.

S+

3

2

4

This is the positive input of the current monitor and has a wide

common-mode input range. This also acts as the analog supply and

provides power to internal circuitry. The current through this pin

varies with differential sense voltage.

S-

2

3

5

This is the negative input of the current monitor and has a wide

common-mode input range.

GND

-

-

2

Ground pin and substrate connection.

NC

-

-

1

No connection

Notes.

1. For the ZXCT1107 and ZXCT1109 pin 1 (OUT) acts as both the output pin and substrate connection. This means that for the

Absolute Maximum Ratings

Description

Rating

Unit

Voltage on S- and S+ relative to OUT (ZXCT1107/9)

-0.3 to 40

V

Voltage on S- and S+ relative to GND (ZXCT1110)

-0.3 to 40

V

Voltage on OUT to GND (ZXCT1110)

V

2,3

-0.3 to 0.8

V

Current into S+ and S-

3

±8.5

mA

Storage Temperature

-55 to 150

°C

Maximum Junction Temperature

150

°C

SOT23

SOT23-5

300 (De-rate to Zero at 150°C)

300 (De-rate to Zero at 150°C)

mW

ESD Ratings

Human Body Model

1000

V

Machine Model

150

V

Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings,

for extended periods, may reduce device reliability.

Notes:

Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit

Common-mode input range

ZXCT1110

2.5

36

V

ZXCT1107/9

+ 2.5

36

0

0.5

V

Output voltage range (0

ZXCT1110

0

V

ZXCT1107/9

0

Ambient temperature range

-40

125

°C

Notes.

4. For the ZXCT1107 and ZXCT1109 pin 1 (OUT) acts as both the output pin and substrate connection. This means that for the