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TC6504

Ultra Small Temperature Switches with Pin Selectable Hysteresis

Microchip Technology 

TC6501/2/3/4

1.0 ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage (VCC) .............................. -0.3V to +7V

Input Current (All Pins) .......................................20 mA

Output Current (All Pins) ....................................20 mA

Operating Temperature Range..........- 55°C to +135°C

Storage Temperature Range .............- 65°C to +165°C

TOVER (TC6501)....................................... -0.3V to +7V

TOVER (TC6502)......................... -0.3V to (VCC + 0.3V)

TUNDER (TC6503)....................................... -0.3V to 7V

TUNDER (TC6504)....................... -0.3V to (VCC + 0.3V)

All Other Pins ............................. -0.3V to (VCC + 0.3V)

Maximum Junction Temperature, TJ .................. 150°C

Power Dissipation (TA = +70°C):

(Derate 7.1 mW/°C Above +70°C) ...............570 mW

* Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at these or any other conditions above those

indicated in the operational sections of the specifica-

tions is not implied. Exposure to maximum rating con-

ditions for extended periods may affect device

reliability.

ELECTRICAL SPECIFICATIONS

Electrical Characteristics: Unless otherwise noted, VCC = +2.7V to +5.5V, RPULL-UP = 100 k (TC6501/TC6503 only), 100 pF

decoupling capacitor from VCC to GND, TAMB = -55°C to +135°C. Typical values are at TA = +25°C.

Parameter

Symbol Min

Typ

Max

Unit

Test Conditions

Supply Voltage Range

Supply Current

HYST Input Threshold

HYST Input Threshold

Temperature Threshold Accuracy (Note 1)

VCC

ICC

VIH

VIL

TTH

2.7

—

0.8 x VCC

—

-6

-4

—

17

—

—

±0.5

±0.5

5.5

40

—

0.2 x VCC

6

4

V

µA

V

V

°C -45°C to -25°C

°C -15°C to +15°C

-4

±0.5

4

°C +35°C to +65°C

-6

±0.5

6

°C +75°C to +125°C

Temperature Threshold Hysteresis

Output Voltage High

THYST

—

2.0

—

10

VOH 0.8 x VCC

—

—

°C HYST = GND

—

°C HYST = VCC

—

V ISOURCE = 500 µA, VCC > 2.7V

(TC6502/TC6504 Only)

VCC - 1.5

—

—

V ISOURCE = 800 µA, VCC > 4.5V

(TC6502/TC6504 Only)

Output Voltage Low

Open-Drain Output Leakage Current

VOL

—

—

0.3

V ISINK = 1.2 mA, VCC > 2.7V

—

—

0.4

V ISINK = 3.2 mA, VCC > 4.5V

—

10

—

nA VCC = 2.7V, TUNDER = 5.5V

(TC6503); TOVER = 5.5V

(TC6501)

Note 1: The TC6501/2/3/4 are available with internal, factory-programmed temperature trip thresholds from -45°C to +125°C, in

+10°C increments.

DS21451E-page 2

 2002-2012 Microchip Technology Inc.

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