Rainbow-electronics DS2712 Bedienungsanleitung PDF herunterladen (Seite 2)

DS2711/DS2712: Loose Cell NiMH Charger

2 of 13

ABSOLUTE MAXIMUM RATINGS*

Voltage on All Pins Relative to V

-0.3V to +6V

Voltage on DMSEL V

+ 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

Soldering Temperature See IPC/JEDECJ-STD-020

*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

£ 5.5V; T

= -20°C to +70°C.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply Voltage V

(Note 1) 4.0 5.5 V

Input Voltage Range LED2, DMSEL -0.3 +5.5 V

DC ELECTRICAL CHARACTERISTICS

(4.0V £ V

£ 5.5V, T

= -20°C to +70°C, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Supply Current, V

Operating mode 250 500

UVLO Threshold V

UVLO

rising (Note 1) 3.5 3.9 V

UVLO Hysteresis V

UHYS

falling from above

UVLO

40 mV

Output-Voltage Low,

CC1, CC2, LED1, LED2

OL1

= 5.0V,

= 20mA (Note 1)

1.0 V

Output-Voltage Low,

CSOUT

OL2

= 5.0V,

= 20mA (Note 1)

0.75 1.25 V

Leakage Current,

CC1, CC2, LED1, LED2,

CSOUT

LKG

= 5.0V,

Output inactive

-1 +1

Threshold Voltage,

-DV Termination

-DV

After t

THO

1.0 2.0 3.0 mV

Mode Test Current,

DMSEL, LED2

MTST

(Notes 2, 3) 5 15

Input Logic-High,

DMSEL, LED2

(Note 1)

0.2V

Input Logic-Low, DMSEL,

LED2

(Note 1) 0.2 V

Input Leakage Current,

DMSEL

IL1

After power-up mode

select,

DMSEL = V

or V

-1 +1

Threshold Voltage, Cell

Test

CTST

= 80kW

85 100 115 mV

Threshold Voltage, Cell

Voltage Low

BAT-LOW

CC1 = CC2 = high-Z

(Note 4)

0.9 1.0 1.1 V

Threshold Voltage, Cell

Voltage Max1

BAT-MAX1

CC1 = CC2 = high-Z

(Note 4)

1.55 1.65 1.75 V

Threshold Voltage, Cell

Voltage Max2

BAT-MAX2

CC1, CC2 active

(Note 4)

1.64 1.75 1.86 V

Threshold Voltage Delta V

BAT-MAX∆

BAT-MAX2

- V

BAT-MAX1

(Note 5)

90 100 110 mV

1 2 3 4 5 6 7 ... 12 13

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