Product
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TMP303
  • TMP303
  • TMP303

TMP303

ACTIVE

Factory Programmed Temperature Window Comparator

Texas Instruments TMP303 Product Info

1 April 2026 3

Parameters

Setpoint type

Factory Programmed

Setpoint value (°C)

-20, -15, 0, 55, 60, 70, 80, 90, 125

Operating temperature range (°C)

-40 to 125

Accuracy over temp range (max) (°C)

1

Output type

Push Pull

Supply voltage (min) (V)

1.4

Supply voltage (max) (V)

3.6

Supply current (typ) (µA)

3.5

Number of comparator channels

2

Features

Built-in hysteresis

Rating

Catalog

Interface type

Switch

Package

SOT-5X3 (DRL)-6-2.56 mm² 1.6 x 1.6

Features

  • Low Power: 5 µA (Maximum)
  • SOT-563 Package: 1.60 × 1.60 × 0.6 mm
  • Trip Point Accuracy:
    • ±0.2°C (Typical) from –40°C to 125°C
  • Push-Pull Output
  • Selectable Hysteresis: 1/2/5/10°C
  • Supply Voltage Range: 1.4 V to 3.6 V
  • Low Power: 5 µA (Maximum)
  • SOT-563 Package: 1.60 × 1.60 × 0.6 mm
  • Trip Point Accuracy:
    • ±0.2°C (Typical) from –40°C to 125°C
  • Push-Pull Output
  • Selectable Hysteresis: 1/2/5/10°C
  • Supply Voltage Range: 1.4 V to 3.6 V

Description

The TMP303 devices are temperature range monitors that offer design flexibility through an extra small footprint (SOT-563), low power (5 µA maximum) and low supply voltage capability (as low as 1.4 V).

These devices require no additional components for operation; each can function independent of microprocessors or microcontrollers.

There are seven trip points available see Device Options. Trip points can be programmed at the factory to any desired temperature. For applications that require different values, contact your local TI representative.

The OUT pin is a push-pull, active-high output. When the measured temperature is beyond the trip point range, and the Set Output High (SOH) pin is low, the OUT pin is high. The SOH pin is an input pin with an internal pulldown resistor. When the SOH pin is forced high, the OUT pin goes high regardless of the measured temperature.

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