TC620HCOA Microchip Technology, TC620HCOA Datasheet - Page 2

• Manufacturer Part Number: TC620HCOA
• Description: IC TEMP SNSR 5V DUAL TRIP 8-SOIC
• Manufacturer: Microchip Technology

Specifications of TC620HCOA

• Sensing Temperature: 0°C ~ 70°C
• Output Type: Active High
• Voltage - Supply: 4.5 V ~ 18 V
• Accuracy: ±1°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Temperature Threshold: Programmable
• Supply Voltage (max): 18 V
• Supply Voltage (min): 4.5 V
• Description/function: 5 V, Dual Trip Point Temperature Sensor
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Supply Current: 400 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TC620/TC621
Functional Block Diagrams
DS21439B-page 2
THERMISTOR
HIGH SET
HIGH SET
LOW SET
LOW SET
*Suffix code "C" denotes cooling option (High true CONTROL output).
Suffix code "H" denotes heating option (Low true CONTROL output).
1
2
3
2
3
Thermistor
Converter
Interface
Temp. to
Voltage
Circuit
V REF
V REF
V REF
GEN
GEN
V REF
V REF
V REF
GEN
GEN
+
–
+
–
+
–
+
–
TC621
TC620
Q
R
Q
R
S
Q
Q
S
8
4
7
6
5
8
4
7
6
5
V DD
V DD
HIGH LIMIT
©
CONTROL*
LOW LIMIT
CONTROL*
HIGH LIMIT
LOW LIMIT
2002 Microchip Technology Inc.