Rainbow-electronics MAX6871 Manual de usuario descargar pdf (Pagina 2)

MAX6870/MAX6871

EEPROM-Programmable Hex/Quad

Power-Supply Sequencers/Supervisors with ADC

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

IN1

= +6.5V to +13.2V, V

IN2

= +10V, V

IN3

to V

IN6

= +2.7V to +5.5V, AUXIN_ = GPI_ = GND, MARGIN = MR = DBP, T

= -40°Cto

+85°C, unless otherwise noted. Typical values are at T

= +25°C.) (Notes 1 and 2)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

All Voltages referenced to GND

IN3–IN6, ABP, SDA, SCL, A0, A1,

GPI1–GPI4, MR, MARGIN, PO5–PO8

(MAX6870), PO3/PO4/PO5 (MAX6871)............-0.3V to +6V

IN1, PO1–PO4 (MAX6870), PO1/PO2 (MAX6871)....-0.3V to +14V

IN2 ...........................................................................-20V to +20V

DBP, AUXIN1, AUXIN2, REFIN.................................-0.3V to +3V

Input/Output Current (all pins)..........................................±20mA

Continuous Power Dissipation (T

= +70°C)

32-Pin 7mm x 7mm Thin QFN

(derate 33.3mW/°C above +70°C).............................2667mW

Operating Temperature Range ...........................-40°C to +85°C

Maximum Junction Temperature .....................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYM B O L

CONDITIONS MIN

TYP MAX

UNITS

IN1

Voltage on IN1 to ensure the device is fully

operational, IN3 to IN6 = GND

4.0

13.2

Operating Voltage Range

(Note 3)

IN3

IN6

Voltage on any one of IN3 to IN6 to ensure

the device is fully operational, IN1 = GND

2.7 5.5

IN1 Supply Voltage

(Note 3)

IN1P

Minimum voltage on IN1 to guarantee that the

device is powered through IN1

6.5 V

Undervoltage Lockout

UVLO

Minimum voltage on one of IN3 to IN6 to

guarantee the device is EEPROM configured.

2.5 V

IN1

= +13.2V, IN2 to IN6 = GND, no load 1.2 1.5

Supply Current I

Writing to configuration registers or EEPROM,

no load

1.3 2

IN1

(50mV increments) 2.5

13.2

IN1

(25mV increments)

1.250 7.625

IN2

(50mV increments)

±2.50 ±15.25

IN2

(25mV increments)

±1.250 ±7.625

IN3

to V

IN6

(20mV increments) 1.0 5.5

Threshold Range V

IN3

to V

IN6

(10mV increments)

0.50 3.05

= +25°C-1.0

+1.0

IN1 to IN6 positive,

IN_

falling

= -40°C to +85°C

-1.5

+1.5

= +25°C-1.5

+1.5

-15.25V ≤ V

IN2

≤ -5V,

IN2

falling

= -40°C to +85°C

-2 +2

= +25°C -75 +75

Threshold Accuracy

-5V ≤ V

IN2

≤ 0, V

IN2

falling

= -40°C to +85°C -100 +100

Threshold Hysteresis

TH-HYST

0.3

% V

Reset Threshold Temperature

Coefficient

∆V

/°C

ppm/

°C

Threshold-Voltage Differential

Nonlinearity

DNL

-1 +1

LSB

1 2 3 4 5 6 7 ... 50 51

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Rainbow-electronics MAX6871 Manual de usuario Pagina 2

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