IR3721MTRPBF International Rectifier, IR3721MTRPBF Datasheet - Page 3

• Manufacturer Part Number: IR3721MTRPBF
• Description: IC POWER SUPPLY MONITOR 10-DFN
• Manufacturer: International Rectifier
• Series: TruePower™r

Specifications of IR3721MTRPBF

• Applications: Power Supply Monitor
• Voltage - Supply: 3.135 V ~ 3.465 V
• Current - Supply: 350µA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Quiescent Current: 450µA
• Bandwidth: 589kHz
• Sensor Case Style: DFN
• No. Of Pins: 10
• Supply Voltage Range: 3.135V To 3.465V
• Operating Temperature Range: 0°C To +125°C
• Filter Terminals: SMD
• Rohs Compliant: No
• Accuracy %: 2.5%
• Package: 10 Lead 3x3 DFN
• Static Accuracy: 2.5% @ 65oC
• Vk Range: 0.5V - 1.8V
• Vcs Range: 5mV - 150mV
• Bias Supply Voltage: +3.3V +/-5%
• Junction Temperature: 0oC to 125oC
• Pbf: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Other names: IR3721MTRPBFTR

BLOCK DIAGRAM
IC PIN DESCRIPTION
Page 3 of 16
NAME
VCS
VO
VRT
GND
VDD
GND
GND
DI
VK
VDD
BASE PAD
NUMBER
10
1
2
3
4
5
6
7
8
9
VCS
VO
V
RT
I/O LEVEL
Analog
Analog
Analog
3.3V
Analog
1.8V
3.3V
I
REF
I
REF
DESCRIPTION
Current sensing input, connect through resistor to sensing node
Current sensing reference connect to output voltage
R
Bias return and signal reference
IC bias supply
Connect to pin 4
Connect to pin 4
Power Monitor output; connect to output filter
Connect to fixed voltage or VO, multiplied by DI to become analog output
Connect to pin 5
Connect to pin 4
www.irf.com
T
VCS
VO
thermistor network from this pin to GND programs thermal monitor
TruePower™
IR3721
GND
VDD
result out/
result out
DI
VK
DATA SHEET
IR3721
09/15/08