ADT7468ARQZ-RL7 ON Semiconductor, ADT7468ARQZ-RL7 Datasheet - Page 55

• Manufacturer Part Number: ADT7468ARQZ-RL7
• Description: IC REMOTE THERMAL CTLR 24QSOP
• Manufacturer: ON Semiconductor
• Series: dBCool®r

Specifications of ADT7468ARQZ-RL7

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 120°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 120°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Full Temp Accuracy: +/- 2 C
• Digital Output - Bus Interface: Serial (2-Wire, 3-Wire, 4-Wire)
• Maximum Operating Temperature: + 120 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

OPERATING
HIGH TEMP
LOW TEMP
THERM
POINT
LIMIT
LIMIT
LIMIT
T
MIN
HYSTERESIS
DECREASE HERE DUE TO
T1(n) – T1 (n – 1) = 0.5° C
EVERY SHORT CYCLE
SHORT CYCLE ONLY
DECREASES BY 1° C
OR 0.75° C = > T
ACTUAL
TEMP
MIN
DECREASE HERE DUE TO
T1(n) – T1 (n – 1)
AND T1(n) > OP = > T
EVERY LONG CYCLE
DECREASES BY 1° C
LONG CYCLE ONLY
OPERATING
HIGH TEMP
LOW TEMP
THERM
POINT
LIMIT
LIMIT
LIMIT
0.25° C
T
MIN
DUE TO ANY CYCLE, BECAUSE
MIN
NO CHANGE IN T
T1(n) – T1 (n – 1)
AND T1(n) < OP = > T
HYSTERESIS
STAYS THE SAME
ACTUAL
TEMP
MIN
0.25° C
HERE
MIN
ADT7468