DS2711_11 datasheet(2/15 Pages) MAXIM

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DS2711/DS2712: Loose-Cell NiMH Chargers

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ABSOLUTE MAXIMUM RATINGS

Voltage Range on All Pins Relative to VSS……………………………………………………………………-0.3V to +6V

Voltage Range on DMSEL……………………………………………….……………………………………….VDD + 0.3V

Continuous Sink Current CC1, CC2, LED1, LED2, and CSOUT………………………………............................20mA

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

Storage Temperature Range……………………………………………………………………………….-55°C to +125°C

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

°C

Soldering Temperature (reflow)

Lead(Pb)-free ............................................................................................................................................ +260

°C

Containing lead(Pb)................................................................................................................................... +240

°C

This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation

sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(4.0V

≤ V

DD ≤ 5.5V, TA = -20°C to +70°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

(Note 1)

4.0

5.5

Input Voltage Range

LED2, DMSEL

-0.3

+5.5

DC ELECTRICAL CHARACTERISTICS

(4.0V

≤ V

DD ≤ 5.5V, TA = -20°C to +70°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Current, VDD

IDD

Operating mode

250

500

µA

UVLO Threshold

VUVLO

VDD rising (Note 1)

3.5

3.9

UVLO Hysteresis

VUHYS

VDD falling from above

VUVLO

Output-Voltage Low,

CC1, CC2, LED1, LED2

VOL1

VDD = 5.0V,

IOL = 20mA (Note 1)

1.0

Output-Voltage Low,

CSOUT

VOL2

VDD = 5.0V,

IOL = 20mA (Note 1)

0.75

1.25

Leakage Current,

CC1, CC2, LED1, LED2,

CSOUT

ILKG

VDD = 5.0V,

Output inactive

-1

µA

Threshold Voltage,

∆V Termination

V-∆V

After tTHO

1.0

2.0

3.0

Mode Test Current,

DMSEL, LED2

IMTST

(Notes 2, 3)

µA

Input Logic-High,

DMSEL, LED2

VIH

(Note 1)

VDD -

0.2

Input Logic-Low, DMSEL,

LED2

VIL

(Note 1)

0.2

Input Leakage Current,

DMSEL

IIL1

After power-up mode

select,

DMSEL = VDD or VSS

-1

µA

Threshold Voltage, Cell

Test

VCTST

RCTST = 80kΩ

100

115

Threshold Voltage, Cell

Voltage Low

VBAT-LOW

CC1 = CC2 = high-Z

(Note 4)

0.9

1.0

1.1

Threshold Voltage, Cell

Voltage Max1

VBAT-MAX1

CC1 = CC2 = high-Z

(Note 4)

1.55

1.65

1.75

Threshold Voltage, Cell

Voltage Max2

VBAT-MAX2

CC1, CC2 active

(Note 4)

1.64

1.75

1.86

Threshold Voltage Delta

VBAT-MAXΔ

VBAT-MAX2 - VBAT-MAX1

(Note 5)

100

110

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