LTC4260 View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC4260

Wide Range I²C Power Monitor

Linear Technology 

LTC2945

APPLICATIONS INFORMATION

VIN

4V TO 80V

C2

RSNS

VOUT

SENSE+ SENSE–

VDD

LTC2945

INTVCC

GND

2945 F02a

Figure 2a. LTC2945 Derives Power from

the Supply Being Monitored

VIN

0V TO 80V

4V TO 80V

C2

RSNS

VOUT

SENSE+ SENSE–

VDD

LTC2945

INTVCC

GND

2945 F02b

Figure 2b. LTC2945 Derives Power from

a Wide Range Secondary Supply

VIN

0V TO 80V

RSNS

VOUT

SENSE+ SENSE–

2.7V TO 5.9V

INTVCC

VDD

C2

LTC2945

GND

2945 F02c

Figure 2c. LTC2945 Derives Power from

a Low Voltage Secondary Supply

12

VIN

>80V

RSNS

VOUT

SENSE+ SENSE–

INTVCC

VDD LTC2945

C2

GND

2945 F03a

RSHUNT

Figure 3a. LTC2945 Derives Power

Through High-Side Shunt Regulator

VIN

0V TO 80V

RSNS

VOUT

RSHUNT

>80V

SENSE+ SENSE–

INTVCC

VDD

C2

LTC2945

GND

2945 F03b

Figure 3b. LTC2945 Derives Power Through Low-Side

Shunt Regulator in High-Side Current Sense Topology

GND

RSHUNT

INTVCC

VDD

C1

LTC2945

GND

VNEG

>–80V

SENSE– SENSE+

2945 F03a

RSNS

VOUT

Figure 3c. LTC2945 Derives Power Through Low-Side

Shunt Regulator in Low-Side Current Sense Topology

2945f

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