DS2711/DS2712: Loose-Cell NiMH Chargers

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ABSOLUTE MAXIMUM RATINGS

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 1)

4.0

5.5

V

Input Voltage Range

LED2, DMSEL

-0.3

+5.5

V

DC ELECTRICAL CHARACTERISTICS

(4.0V

≤ V

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating mode

250

500

µA

UVLO Threshold

3.5

3.9

V

UVLO Hysteresis

40

mV

Output-Voltage Low,

CC1, CC2, LED1, LED2

1.0

V

Output-Voltage Low,

CSOUT

0.75

1.25

V

Leakage Current,

CC1, CC2, LED1, LED2,

CSOUT

Output inactive

-1

+1

µA

Threshold Voltage,

-

∆V Termination

1.0

2.0

3.0

mV

Mode Test Current,

DMSEL, LED2

(Notes 2, 3)

5

15

µA

Input Logic-High,

DMSEL, LED2

(Note 1)

0.2

V

Input Logic-Low, DMSEL,

LED2

(Note 1)

0.2

V

Input Leakage Current,

DMSEL

After power-up mode

select,

-1

+1

µA

Threshold Voltage, Cell

Test

85

100

115

mV

Threshold Voltage, Cell

Voltage Low

CC1 = CC2 = high-Z

(Note 4)

0.9

1.0

1.1

V

Threshold Voltage, Cell

Voltage Max1

CC1 = CC2 = high-Z

(Note 4)

1.55

1.65

1.75

V

Threshold Voltage, Cell

Voltage Max2

CC1, CC2 active

(Note 4)

1.64

1.75

1.86

V

Threshold Voltage Delta

(Note 5)

90

100

110

mV