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MAX6505–MAX6508

Dual Trip SOT Temperature Switches

4 _______________________________________________________________________________________

Pin Description

MAX6505 MAX6506 MAX6507 MAX6508

NAME FUNCTION

1-— -— WARN

Open-Drain Active-Low Warning Output. WARN goes low

when the die temperature exceeds T

WARN

= T

ALARM

∆T

AW.

-— 1-— -— WARN

Push-Pull Active-High Warning Output. WARN goes high

when the die temperature exceeds T

WARN

= T

ALARM

∆T

AW.

2 2 2 2 GND Ground

3, 5 3, 5 -— -— S1, S0

Delta Temperature Select Input. Connect to V

or GND to

select the difference between T

ALARM

and T

WARN

(Table

1 or see Electrical Characteristics).

-— -— 33S0

Hysteresis Select Input. Connect to V

for 10°C

hysteresis. Connect to GND for 2°C hysteresis.

4444V

Supply Voltage Input. Bypass V

to GND with a 0.1µF

ceramic capacitor.

-— -— 5 5 N.C. No Connection. Not internally connected.

-— -— 6-—

OVER

Open-Drain Active-Low Overtemperature Output.

OVER

goes low when the die temperature exceeds the factory-

set value of T

OVER

-— -— _ 6 OVER

Push-Pull Active-High Overtemperature Output. OVER

goes high when the die temperature exceeds the factory-

set value of T

OVER.

-— -— 1-— OK

Open-Drain Active-High Temperature Sensor Output. OK

goes high impedance when the die temperature is

between the factory-set values of T

OVER

and T

UNDER

When the die temperature is above T

OVER

or below

UNDER

, OK goes low.

-— -— -—

Push-Pull Active-Low Temperature Sensor Output. OK

goes low when the die temperature is between the factory-

set values of T

OVER

and T

UNDER

. When the die temp-

erature is above T

OVER

or below T

UNDER

, OK goes high.

6-— -— -— ALARM

Open-Drain Active-Low Alarm Output. ALARM goes low

when the die temperature exceeds the factory-set value of

ALARM

-— 6-— -— ALARM

Push-Pull Active-High Alarm Output. ALARM goes high

when the die temperature exceeds the factory-set value of

ALARM

1 2 3 4 5 6 7 8 9 10 11 12

MAX6505–MAX6508 1

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