MCP73853_13 datasheet(5/32 Pages) MICROCHIP

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 2004-2013 Microchip Technology Inc.

DS21915C-page 5

MCP73853/55

TEMPERATURE SPECIFICATIONS

AC CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (Typ) + 0.3V] to 5.5V,

TA = -40°C to 85°C. Typical values are at +25°C, VDD = [VREG (Typ) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

UVLO Start Delay

tSTART

——

VDD Low-to-High

Current Regulation

Transition Time Out of

Preconditioning

tDELAY

——

VBAT < VPTH to VBAT > VPTH

Current Rise Time Out of

Preconditioning

tRISE

——

IOUT Rising to 90% of IREG

Fast Charge Safety Timer

Period

tFAST

1.1

1.5

1.9

Hours

CTIMER = 0.1 µF

Preconditioning Current Regulation

Preconditioning Charge

Safety Timer Period

tPRECON

Minutes CTIMER = 0.1 µF

Charge Termination

Elapsed Time Termination

Period

tTERM

2.2

3.8

Hours

CTIMER = 0.1 µF

Status Indicators

Status Output Turn-off

tOFF

——

200

µs

ISINK = 1 mA to 0 mA

Status Output Turn-on

tON

——

200

µs

ISINK = 0 mA to 1 mA

Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (Typ) + 0.3V] to 5.5.

Typical values are at +25°C, VDD = [VREG (Typ) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

Temperature Ranges

Specified Temperature Range

-40

—

+85

°C

Operating Temperature Range

-40

—

+125

°C

Storage Temperature Range

-65

—

+150

°C

Thermal Package Resistances

Thermal Resistance, 16-L, 4mm x 4mm QFN

JA

—37

—

°C/W

4-Layer JC51-7

Standard Board,

Natural Convection

Thermal Resistance, 10-L, 3mm x 3mm DFN

JA

—51

—

°C/W

4-Layer JC51-7

Standard Board,

Natural Convection

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