Overview

 


Suggested Components

 
Application Notes
 
New Product Announcements







Fan Controllers



DATA SHEETS
Part Number Description Key Advantages
MAX6639EVKIT Evaluation Kit for the MAX6639 and MAX6639F

MAX6639, MAX6639F 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller

High-Frequency, Dual Temperature Sensor and Fan Controller with Selectable Address and Closed-Loop Operation
MAX8597, MAX8598, MAX8599 Low-Dropout, Wide-Input-Voltage, Step-Down Controllers

MAX6653, MAX6663, MAX6664 Temperature Monitors and PWM Fan Controllers

LM4050, LM4050A, LM4050B,
...
50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages

Industry Standard 50ppm/°C Voltage Reference Fits in SC70
MAX6648, MAX6692 Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

DS3903 Triple 128-Position Nonvolatile Digital Potentiometer

Lowest Cost Nonvolatile Triple Potentiometer Ideal for Automating Power-Supply Calibration Eliminates Manual Factory Calibration Costs
DS1780 CPU Peripheral Monitor

MAX6513 Low-Cost, Remote SOT Temperature Switch

Industry's Only Temperature Switch for External P-N Junction - Either a Discrete Diode-Connected Transistor on an External IC Die
MAX6650, MAX6651 Fan-Speed Regulators and Monitors with SMBus™/I²C-Compatible Interface

Controls and Monitors Fan Speed for High-Performance Thermal Management
MAX1669 Fan Controller and Remote Temperature Sensor with SMBus Serial Interface

Industry First - Temperature Sensor with PWM and Linear Fan Control



Key Specifications:

Digital Potentiometers
Part Number Taper POTs Control Interface Wiper Memory Steps REND-TO-END
(kΩ)
Res. Tol.
(%)
Temp. Coeff.
(ppm/°C)
Wiper Resistance
(Ω)
ICC @5V
(µA)
Smallest Available Pckg.
(mm2)
typ typ max max w/pins
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250 45.2
See All Digital Potentiometers (126)

Fan Controllers
Part Number Sensor Type Fan Controller Functions Fan Cntrl. Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
Temp. Resolution
(bits)
MAX6639  Remote Remote & Local Sensor PWM 2-Wire/I2C/SMBus 1 Programmable -
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 1 Programmable 11
MAX6650  - - Linear - - -
MAX6651  - - Linear - - -
MAX1669  Remote - PWM 3 Programmable 8
See All Fan Controllers (20)

Step-Down Switching Regulators
Part Number VIN
(V)
VIN
(V)
VOUT
(V)
VOUT
(V)
Max. IOUT
(A)
Output Adjust. Method DC-DC Outputs Oper. Freq.
(kHz)
Package/Pins Smallest Available Pckg.
(mm2)
min max min max max w/pins
MAX8597  4.5 28 0.6 28 20 Resistor 1 1400
TQFN/20
16.8
MAX8598 
TQFN/16
MAX8599 
TQFN/16
See All Step-Down Switching Regulators (288)

Temperature Sensors
Part Number Sensor Type Alarm Output Functions Interface Remote Chan. Accuracy
(±°C)
Parasite Pwr. Temp. Thresh. Temp. Resolution
(bits)
Multi Droppable Oper. Temp.
(°C)
Smallest Available Pckg.
(mm2)
max w/pins
MAX6648  Remote
Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/I2C/SMBus Single 0.8 No Programmable 10 - -55 to +125 15.6
MAX6692  Remote
Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
Single 0.8 10 - -55 to +125 15.6
DS1780  Local -
Fan Controller
Voltage Monitor
- 2 9 Yes -40 to +125 52.4
See All Temperature Sensors (104)

Temperature Switches
Part Number Switch Type Functions Interface Accuracy
(±°C)
Temp. Thresh.
(°C)
RoHS Available Package/Pins
MAX6513  Remote Temperature Switch/Temperature Comparator Logic 3 Factory Programmed Yes
TDFN-EP/6
See All Temperature Switches (22)

Voltage References
Part Number VOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
IREV
(µA)
IREV
(mA)
Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
max @ +25°C min max max w/pins
LM4050A 
2.048
2.5
3
3.3
4.096
5
50 0.1 65 15 -40 to +125
SC70/3
SOT/3
5.3
LM4050B 
2.048
2.5
3
3.3
4.096
5
0.2
SC70/3
SOT/3
LM4050C 
2.048
2.5
3
3.3
4.096
5
0.5
SC70/3
SOT/3
LM4051A  1.25 0.1
SC70/3
SOT/3
LM4051B  1.25 0.2
SC70/3
SOT/3
LM4051C  1.25 0.5
SC70/3
SOT/3
See All Voltage References (170)





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