MAX6435 datasheet(2/20 Pages) MAXIM

Part #	MAX6435

Description	Low-Power, Single/Dual-Level Battery Monitors with Hysteresis

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Power, Single/Dual-Level Battery Monitors

with Hysteresis

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(BATT = 1.0V to 5.5V or VDD = 1.6V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.)

(Note 1)

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.

BATT, VDD to GND ................................................-0.3V to +6.0V

HTHIN, LTHIN Inputs to GND.....................-0.3V to (VDD + 0.3V)

Open-Drain LBO/LBO, LBOH/LBOH,

LBOL/LBOL to GND .........................................-0.3V to +6.0V

Push-Pull LBO/LBO, LBOH/LBOH,

LBOL/LBOL to GND ................-0.3V to (BATT or VDD + 0.3V)

Input Current (all pins) ........................................................20mA

Output Current (all pins) .....................................................20mA

Continuous Power Dissipation (TA = +70°C)

3-Pin SOT23-3 (derate 4.0mW/°C above +70°C) .......320mW

4-Pin SOT143-4 (derate 4.0mW/°C above +70°C) .....320mW

5-Pin SOT23-5 (derate 7.1mW/°C above +70°C) .......571mW

6-Pin SOT23-6 (derate 8.7mW/°C above +70°C) .......696mW

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

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

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

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

TA = -40

°C to +85°C

1.2

5.5

Operating Voltage Range

VBATT

TA = 0

°C to +70°C

1.0

5.5

V

Operating Voltage Range

VDD

TA = -40

°C to +85°C

1.6

5.5

V

BATT Supply Current

IBATT

VBATT = 3.7V, no load (MAX6427–MAX6432)

1

1.5

µA

VDD Supply Current

IDD

VDD = 3.7V, no load

(MAX6433–MAX6438)

1

1.5

µA

FACTORY-FIXED THRESHOLDS (MAX6427–MAX6432)

HTH Threshold

(Note 2)

VHTH

Factory-fixed options, BATT rising,

LBO deasserted when BATT rises above

VHTH (MAX6427/MAX6428/MAX6429)

-2.5

+2.5

%

LTH Threshold

(Note 2)

VLTH

Factory-fixed options, BATT falling,

LBO asserted when BATT falls below VLTH

(MAX6427/MAX6428/MAX6429)

-2.5

+2.5

%

HTH- Threshold

(Note 2)

VHTH-

Factory-fixed options, BATT falling, LBOH

asserted when BATT falls below VHTH-

(MAX6430/MAX6431/MAX6432)

-2.5

+2.5

%

HTH+ Threshold

(Note 3)

VHTH+

Factory-fixed options, BATT rising,

LBOH deasserted when BATT rises above

VHTH+ (MAX6430/MAX6431/MAX6432)

-2.5

+2.5

%

LTH- Threshold

(Note 2)

VLTH-

Factory-fixed options, BATT falling,

LBOL asserted when BATT falls below VLTH-

(MAX6430/MAX6431/MAX6432)

-2.5

+2.5

%

LTH+ Threshold

(Note 3)

VLTH+

Factory-fixed options, BATT rising,

LBOL deasserted when BATT rises above

VLTH+ (MAX6430/MAX6431/MAX6432)

-2.5

+2.5

%

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