LM81BIMT-3/NOPB National Semiconductor, LM81BIMT-3/NOPB Datasheet - Page 24

• Manufacturer Part Number: LM81BIMT-3/NOPB
• Description: IC MONITOR SYS HARDWARE 24TSSOP
• Manufacturer: National Semiconductor

Specifications of LM81BIMT-3/NOPB

• Function: Hardware Monitor
• Topology: ADC (Sigma Delta), Comparator, Fan Speed Control, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.8 V ~ 3.8 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Monitored Voltage: 2.5 V , 3.3 V , 5 V , 12 V
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: No
• Supply Voltage (max): 3.8 V
• Supply Voltage (min): 2.8 V
• Supply Current (typ): 400 uA (Typ)
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM81BIMT-3; *LM81BIMT-3/NOPB; LM81BIMT-3

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Functional Description
12.0 FAN MANUFACTURERS
Manufacturers of cooling fans with tachometer outputs are
listed below:
NMB Tech
9730 Independence Ave.
Chatsworth, California 91311
818 341-3355
818 341-8207
Mechatronics Inc.
P.O. Box 20
Mercer Island, WA 98040
800 453-4569
Various sizes available with tach output option.
Sanyo Denki America, Inc.
468 Amapola Ave.
Torrance, CA 90501
310 783-5400
Model Num-
109R06XXY401
109R08XXY401
Model Number
109P06XXY601
109P08XXY601
2410ML
2408NL
3108NL
3110KL
ber
(60 mm sq. X 20 mm)
(60 mm sq. X 25 mm)
(80 mm sq. X 20 mm)
(80 mm sq. X 25 mm)
2.36 in sq. X 0.79 in
2.36 in sq. X 0.98 in
3.15 in sq. X 0.79 in
3.15 in sq. X 0.98 in
(60 mm sq. X 20 mm)
(60 mm sq. X 25 mm)
(80 mm sq. X 20 mm)
(80 mm sq. X 25 mm)
2.36 in sq. X 0.79 in
2.36 in sq. X 0.98 in
3.15 in sq. X 0.79 in
3.15 in sq. X 0.98 in
Frame Size
Frame Size
(Continued)
Airflow
14-25
25-42
25-40
CFM
9-16
Airflow
11-15
13-28
23-30
21-42
CFM
24