MAX6620ATI+ Maxim Integrated Products, MAX6620ATI+ Datasheet - Page 28

• Manufacturer Part Number: MAX6620ATI+
• Description: IC QUAD LIN FAN-SPD CTRLR 28TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX6620ATI+

• Applications: Fan Controller
• Number Of Outputs: 4
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Quad Linear Fan-Speed Controller
PROCESS: CMOS
28
______________________________________________________________________________________
TO I
(OPTIONAL CRYSTAL)
2
C MASTER
V
CC
SPINUP_START
DAC_START
WD_START
FAN_FAIL
ADDR
SDA
SCL
Chip Information
X1
X2
REGISTERS, AND
CONTROL LOGIC
V
I
2
CC
C INTERFACE,
0.1μF
V
FAN
GND
TACH MONITOR
0.1μF
DAC OUTPUT
DRIVER
DACOUT1
DACFB1
TACH1
DACOUT2
DACFB2
TACH2
DACOUT3
DACFB3
TACH3
DACOUT4
DACFB4
TACH4
Typical Application Circuit
0.1μF
0.1μF
0.1μF
0.1μF
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
V
V
V
V
FAN
FAN
FAN
FAN
FAN1
FAN2
FAN3
FAN4
0.1μF
0.1μF
0.1μF
0.1μF