Data Sheet

ADT6501/ADT6502/ADT6503/ADT6504

Rev. B | Page 5 of 16

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

Figure 3. ADT6501/ADT6502 Pin Configuration

Figure 4. ADT6503/ADT6504 Pin Configuration

Table 3. Pin Function Descriptions

Pin Number

ADT6501 ADT6502 ADT6503 ADT6504 Mnemonic Description

1, 2

1, 2

1, 2

1, 2

GND

Ground.

3

3

3

3

HYST

Hysteresis Input. Connects HYST to GND for 2°C hysteresis or connects to

4

4

4

4

Supply Input (2.7 V to 5.5 V).

5

—

—

—

TOVER

Open-Drain, Active Low Output. TOVER goes low when the temperature of

the part exceeds the factory-programmed threshold; must use a pull-up

resistor.

—

5

—

—

TOVER

Push-Pull, Active High Output. TOVER goes high when the temperature of

the part exceeds the factory-programmed threshold.

—

—

5

—

TUNDER

Open-Drain, Active Low Output. TUNDER goes low when the temperature

of the part exceeds the factory-programmed threshold; must use a pull-up

resistor.

—

—

—

5

TUNDER

Push-Pull, Active High Output. TUNDER goes high when the temperature

of the part exceeds the factory-programmed threshold.

GND

1

GND

2

HYST

3

TOVER/

TOVER

5

4

ADT6501/

ADT6502

TOP VIEW

(Not to Scale)

GND

1

GND

2

HYST

3

TUNDER/

TUNDER

5

4

ADT6503/

ADT6504

TOP VIEW

(Not to Scale)