MAX6515UKN035+T【PDF 1/8 页】IC SW TEMP SOT23-5

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19-3147; Rev 1; 2/11

Low-Cost, 2.7V to 5.5V Temperature Switches

in a SOT23

General Description

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-

Features

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

Temperature Range

? Low-Power Consumption: 22 μ A 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

Ordering Information

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

PART

MAX6514 UK_ _ _ _+T

MAX6515 UK_ _ _ _+T

TEMP RANGE

-55°C to +125°C

PIN-

PACKAGE

5 SOT23

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.

Applications

Over/Undertemperature Protection

Fan Control

Test Equipment

Temperature Control

Temperature Alarms

Note: These parts are offered in 16 standard temperature ver-

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

suffix information, add P or N for positive or negative trip tem-

perature, and select an available trip point in degrees centi-

grade. 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 availability.

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

Typical Operating Circuit

V CC

100k Ω

Notebook, Desktop PCs

RAID

Servers

Pin Configurations and Functional Diagram appear at end of

data sheet.

0.1 μ F

V CC

TOVER

MAX6515

GND GND HYST

V CC

INT

MICROCONTROLLER

GND

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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