ZXCT1012 datasheet(2/10 Pages) DIODES

2 / 10 page

ZXCT1012

Issue 1 - December 2006

www.zetex.com

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:

(‡) VSENSE is defined as the differential voltage between the SENSE+ and SENSE- pins.

VSENSE = VSENSE+ - VSENSE-

(†) Exposed lead not connected to thermal plane

Name

Description

TDFN5 TSOT23-5

N/C

No connection

GND

Ground connection

OUT

Output current pin. Current generated due to a difference voltage

between VSENSE+ and VSENSE- flows out of this pin. A suitable

value resistor connected to ground creates an output voltage. The

maximum voltage out of this pin will be VSENSE- - 1.5V.

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.

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

range from 20V down to 2.5V.

VSENSE+ max.

20V

Voltage on any pin (relative to GND pin)

-0.6 and VSENSE+ +0.5V

VSENSE

(‡)

-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

300mW at Tamb= 25°C (De-rate to zero at 150°C)

Package

R JA

PDISS at 25°C

TSOT23-5 (*)

NOTES:

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

250°C/W

500mW

TDFN3x3 5 pin(*) (†)

232°C/W

540mW

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