MAX6515 Maxim Integrated Products, MAX6515 Datasheet

MAX6515

Manufacturer Part Number

MAX6515

Description

(MAX6514 / MAX6515) Temperature Switches

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX6515.pdf (8 pages)

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The MAX6514/MAX6515 low-cost, fully integrated temper-

ature switches assert a logic signal when their die tem-

perature crosses a factory-programmed threshold.

Operating from a 2.7V to 5.5V supply, these devices fea-

ture a fixed voltage reference, an analog temperature

sensor, and a comparator. They are available with facto-

ry-trimmed temperature trip thresholds from -45°C to

+15°C and +35°C to +115°C in 10°C increments, and are

accurate to ±1°C (typ). These devices require no external

components and typically consume 22µA of supply cur-

rent. Hysteresis is pin selectable at 2°C or 10°C.

The MAX6514/MAX6515 are offered with hot-tempera-

ture thresholds (+35°C to +115°C), asserting when the

temperature is above the threshold or with cold-temper-

ature thresholds (-45°C to +15°C), asserting when the

temperature is below the threshold. The MAX6514/

MAX6515 can be used over a -35°C to +125°C range

with a supply voltage of 2.7V to 5.5V. For applications

sensing temperature down to -45°C, a supply voltage

above 4.5V is required.

The MAX6514 has an active-high, push-pull output. The

MAX6515 has an active-low, open-drain output. These

devices are available in a space-saving 5-pin SOT23

package and operate over the -55°C to +125°C tem-

perature range.

19-3147; Rev 0; 1/04

Pin Configurations and Functional Diagram appear at end of

data sheet.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Low-Cost, 2.7V to 5.5V Temperature Switches

Over/Undertemperature Protection

Fan Control

Test Equipment

Temperature Control

Temperature Alarms

Notebook, Desktop PCs

RAID

Servers

________________________________________________________________ Maxim Integrated Products

General Description

Applications

*These parts are offered in 16 standard temperature versions

with a minimum order of 2500 pieces. To complete the suffix

information, add P or N for positive or negative trip temperature,

and select an available trip point in degrees centigrade. For

example, the MAX6514UKP065-T describes a MAX6514 in a

5-pin SOT23 package with a +65°C threshold in tape and reel

(2.5k minimum order). Contact the factory for pricing and avail-

ability.

MAX6514UK_ _ _ _-T*

MAX6515UK_ _ _ _-T*

0.1µF

High-Accuracy +1.5°C (max) over -15°C to +65°C

Temperature Range

Low-Power Consumption: 22µA Typical Current

Factory-Programmed Thresholds from -45°C to

+115°C in 10°C Increments

Open-Drain or Push-Pull Outputs

Pin-Selectable 2°C or 10°C Hysteresis

Low Cost

PART

GND

Typical Operating Circuit

MAX6515

GND

HYST

TOVER

Ordering Information

-55°C to +125°C

TEMP RANGE

in a SOT23

100kΩ

INT

MICROCONTROLLER

Features

PIN-

PACKAGE

5 SOT23-5

GND

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