Rainbow-electronics DS2770 Manual do Utilizador descarregar pdf (Página 24)

DS2770

24 of 27

ABSOLUTE MAXIMUM RATINGS*

Voltage on VIN, Relative to Ground -0.3V to V

+ 0.3V

Voltage on VCH,

CC, UV -0.3V to +18V

Voltage on Any Other Pin, Relative to Ground -0.3V to +6V

Current Max Iol

CC, UV 20mA

Continuous Internal Sense Current ±2.5A

Pulsed Internal Sense Current ±50A for <100

ms/sec, <1000 pulses

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

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

Soldering Temperature See IPC/JEDEC J-STD-020A Specification

* 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

(-20°C to +70°C, 2.7V £ V

£ 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Supply Voltage V

2.7 5.5 V 1

Data Pin DQ -0.3 5.5 V 1

DC ELECTRICAL CHARACTERISTICS (-20°C to +70°C, 2.7V £ V

£ 5.5V)

PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES

Supply Current,

Sleep Mode

SLEEP

DQ = 0,

no activity

0.5 1

mA9

Supply Current,

Active Mode

ACTIVE

DQ = 1,

normal operation

80 120 mA9

VCH Input Current I

VCH

VCH = 5V 100 150 mA9

DQ Input Logic High V

1.5 V 1

DQ Input Logic Low V

0.4 V 1

= 4.1V,

= 0.4V.

0.5

DQ Input Pull-Down

Current

= 5.5V,

=5.5V

Input Resistance,

Pins VIN

15 MW

DQ Output Logic

Low

= 4mA 0.4 V 1

1 2 ... 19 20 21 22 23 24 25 26 27

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