Time (s)

Time (s)

OUTA

OUTB

Hysteresis:

5°C, or 10°C

Hot threshold

Cold threshold

SETA

SETB

Trip test

asserts output

(Channel A)

(Channel B)

Figure 7-2. TMP390 Trip Test Operation

7.3.3 20°C Hysteresis

The 20°C hysteresis feature is only available on Channel A. To activate the feature, the SETB pin must be

connected to ground and SETA pin connected to the resistor to set the appropriate trip point on Channel A.

7.4 Device Functional Modes

The device has one mode of operation, as described above, that applies when operated within the

Recommended Operating Conditions.

TMP390

SBOS904A – MAY 2019 – REVISED AUGUST 2020

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