IR3725 datasheet(6/19 Pages) IRF

Part #	IR3725

Description	INPUT POWER MONITOR WITH DIGITAL INTERFACE

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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6 / 19 page

IR3725

Data Sheet

Page 6 of 19

www.irf.com

2011_11_16

TYPICAL PERFORMANCE CHARACTERISTICS

(One device tested using “Resistor Sensing Circuit”, VDD = 3.3 V, CCS2 = 10 u F, RT = 25.5 k Ω, 90 mV full scale

uses RCS1 = RCS2 = 1.5 k Ω, 25 mV full scale uses RCS1 = RCS2 = 432 Ω, 9 mV full scale uses RCS1 = RCS2 = 150 Ω.

Each data point is average of eight samples.)

IR3725 PowerMode - Transfer Function (90 mV VDCR full scale)

0

50

100

150

200

250

0.00

0.02

0.04

0.06

0.08

VDCR [V]

Vo = 7 V

Vo = 12 V

Vo = 20 V

IR3725 PowerMode - Error [%] (25 mV VDCR full scale)

0%

2%

4%

6%

8%

10%

12%

14%

16%

18%

20%

0.000

0.005

0.010

0.015

0.020

0.025

VDCR [V]

Vo = 7 V

Vo = 12 V

Vo = 20 V

IR3725 PowerMode - Error [%] (90 mV VDCR full scale)

0%

2%

4%

6%

8%

10%

12%

14%

16%

18%

20%

0.00

0.02

0.04

0.06

0.08

VDCR [V]

Vo = 7 V

Vo = 12 V

Vo = 20 V

IR3725 PowerMode - Error [%] (9 mV VDCR full scale)

0%

2%

4%

6%

8%

10%

12%

14%

16%

18%

20%

0.000 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008

VDCR [V]

Vo = 7 V

Vo = 12 V

Vo = 20 V

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IR3725 Datasheet(PDF) 6 Page - International Rectifier

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