DS56

2 of 6

102299

DETAILED PIN DESCRIPTION Table 1

PIN

SYMBOL

TYPE

DESCRIPTION

1

Analog output

Bandgap output 1.25V (nom) voltage reference output.

2

Analog input

Trip point 2 input associated with thermostat output 2.

3

Analog input

Trip point 1 input associated with thermostat output 1.

4

GND

GND

Ground pin.

5

Analog output

6

Digital output

(open-drain)

Thermostat output 2. Active low output corresponding to trip

point 2. Typical hysteresis is 5.0°C.

7

Digital output

(open-drain)

Thermostat output 1. Active low output corresponding to trip

point 1. Typical hysteresis is 5.0°C.

8

Supply Voltage 2.7V - 5.5V input power pin.

DS56 FUNCTIONAL BLOCK DIAGRAM Figure 1