ZXCT1012

Issue 1 - December 2006

2

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© Zetex Semiconductors plc 2006

Pin information

Absolute maximum ratings

Operation above the absolute maximum rating may cause device failure.

Operation at the absolute maximum ratings, for extended periods, may reduce device reliability.

NOTES:

(†) Exposed lead not connected to thermal plane

Pin

Name

Description

TDFN5 TSOT23-5

3

1

N/C

No connection

2

2

GND

Ground connection

1

3

OUT

Output current pin. Current generated due to a difference voltage

value resistor connected to ground creates an output voltage. The

5

4

SENSE+ This pin should be connected to the rail whose current is being

measured and also provides power to internal circuitry. It is the

positive input of the current monitor and has an input range from

20V down to 2.5V. The current through this pin varies with

differential sense voltage.

4

5

SENSE- This is the negative input of the current monitor and has an input

range from 20V down to 2.5V.

20V

Voltage on any pin (relative to GND pin)

(‡)

-0.15V to +3V

Ambient operating temperature range

-40 to 85°C

Storage temperature

-55 to 150°C

Maximimum junction temperature

150°C

Package power dissipation

Package

NOTES:

(*) Mounted on 30mm x 16mm x1.1mm FR4 board with 1oz copper.

250°C/W

500mW

TDFN3x3 5 pin(*) (†)

232°C/W

540mW