MAX4373 데이터 시트보기 (PDF) - Maxim Integrated

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MAX4373

Low-Cost, Micropower, High-Side Current-Sense Amplifier + Comparator + Reference ICs

Maxim Integrated 

Low-Cost, Micropower, High-Side Current-Sense

Amplifier + Comparator + Reference ICs

Typical Operating Characteristics (continued)

(VRS+ = +12V, VCC = +12V, RLOAD = 1MΩ, VRESET = 0, VSENSE = 100mV, VPULL-UP = +5V, RPULL-UP = 10kΩ, TA = +25°C, unless

otherwise noted.)

POWER-UP DELAY

AV = +20V/V

MAX4373 toc19

6V

VCC

0

COMPARATOR POWER-UP DELAY

MAX4373 toc20

VCC = VPULL-UP

5V

VCC

0

2V

OUTPUT

0

100µs/div

COMPARATOR TRIP POINT vs.

SUPPLY VOLTAGE

600

599

598

597

596

595

594

593

592

591

590

0

5 10 15 20 25 30

SUPPLY VOLTAGE (V)

OUTPUT

5V

0

10µs/div

COMPARATOR PROPAGATION DELAY

INPUT

125mV/div

VOD = 5mV

OUTPUT

2.5V/div

2µs/div

COMPARATOR PROPAGATION DELAY

vs. OVERDRIVE VOLTAGE

3.8

3.6

3.4

3.2

3.0

2.8

2.6

2.4

2.2

2

0 20 40 60 80 100 120 140 160 180 200

OVERDRIVE VOLTAGE (mV)

COMPARATOR PROPAGATION DELAY

vs. TEMPERATURE

7

VOD = 5mV

6

5

4

3

2

1

0

-50 -30 -10 10 30 50 70 90

TEMPERATURE (°C)

_______________________________________________________________________________________ 7

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