MCP73831 查看數據表（PDF） - Microchip Technology

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MCP73831

Miniature Single-Cell, Fully Integrated Li-Ion,Li-Polymer Charge Management Controllers

Microchip Technology 

MCP73831/2

AC CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (typ.) + 0.3V] to 12V,

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

Constant-Current Regulation

Transition Time Out of

Preconditioning

tDELAY

Current Rise Time Out of

Preconditioning

tRISE

Termination Comparator

Filter

tTERM

Charge Comparator Filter

Status Indicator

tCHARGE

Status Output turn-off

tOFF

Status Output turn-on

tON

—

—

5

—

—

1

—

—

1

0.4 1.3 3.2

0.4 1.3 3.2

—

— 200

—

— 200

ms VDD Low-to-High

ms VBAT < VPTH to VBAT > VPTH

ms IOUT Rising to 90% of IREG

ms Average IOUT Falling

ms Average VBAT

μs ISINK = 1 mA to 0 mA

μs ISINK = 0 mA to 1 mA

TEMPERATURE SPECIFICATIONS

Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG (typ.) + 0.3V] to 12V.

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

Parameters

Sym. Min. Typ. Max. Units

Conditions

Temperature Ranges

Specified Temperature Range

Operating Temperature Range

Storage Temperature Range

Thermal Package Resistances

5-Lead, SOT23

8-Lead, 2 mm x 3 mm, DFN

TA

-40

—

+85

°C

TJ

-40

— +125

°C

TA

-65

— +150

°C

θJA

—

230

—

°C/W 4-Layer JC51-7 Standard

Board, Natural Convection

θJA

—

76

—

°C/W 4-Layer JC51-7 Standard

Board, Natural Convection

© 2006 Microchip Technology Inc.

DS21984B-page 5

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