MAX6684ESA Maxim Integrated Products, MAX6684ESA Datasheet - Page 3

• Manufacturer Part Number: MAX6684ESA
• Description: Board Mount Temperature Sensors
• Manufacturer: Maxim Integrated Products

Specifications of MAX6684ESA

• Package / Case: SOIC-8 Narrow
• Digital Output - Bus Interface: Serial (2-Wire)
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Output Type: Analog
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(V
2.0
1.6
1.2
0.8
0.4
CC
0
-40
PIN
= 3.3V, T
1
2
3
4
5
6
7
8
R
-15
DSON
A
TEMPERATURE (°C)
SENSE
vs. TEMPERATURE
NAME
PGND
= +25°C, unless otherwise noted.)
GND
FAIL
10
FC+
OFF
V
FC-
CC
_______________________________________________________________________________________
V
CC
35
= 3V
I
SENSE
V
CC
Positive Current-Sensing Terminal. Connect SENSE to low side of fan.
Active-Low, Open-Drain Fan-Failure Output
Ground
Connect to 0.1µF capacitor for most locked-rotor detection applications. To detect minimum speed,
select C
Connect to 0.1µF capacitor for most locked-rotor detection applications. To detect minimum speed,
select C
Supply Voltage Input. Bypass V
Acti ve- Low Fan- C ontr ol Inp ut. D r i ve O FF hi g h or l eave fl oati ng to tur n fan on. D r i ve O FF l ow to tur n fan off.
Power Ground. Connect to GND.
= 5.5V
= 300mA
60
Fan-Failure Detector with Integrated
F
F
85
according to Minimum Speed and Locked-Rotor Detection.
according to Minimum Speed and Locked-Rotor Detection.
300
275
250
225
200
-40
SUPPLY CURRENT vs. TEMPERATURE
-15
CC
to GND with a 1µF capacitor.
TEMPERATURE (°C)
V
CC
10
= 5.5V
V
CC
Typical Operating Characteristics
= 3V
35
FUNCTION
NO LOAD
60
85
500mA/div
V
5V/div
2V/div
SENSE
V
FAIL
I
SENSE
Power Switch
0A
0
0
OVERCURRENT OPERATION
Pin Description
20ms/div
3