MIC45404 datasheet(6/32 Pages) MICROCHIP

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MIC45404

DS20005478A-page 6

 2015 Microchip Technology Inc.

Thermal Shutdown

TSHDN

—160

—

°C

Thermal Shutdown

Hysteresis

TSHDN_HYST

—25—

°C

Efficiency

—82—

VIN = 12V, VOUT = 0.9V,

IOUT = 2A, fS = fSZ = 400 kHz,

TA = +25°C

ELECTRICAL CHARACTERISTICS(1) (CONTINUED)

Electrical Specifications:

unless otherwise specified, VIN = 12V; CVDDA= 2.2 µF, TA = +25°C.

Boldface

values indicate -40°C

 TJ  +125°C.

Parameter

Symbol

Min.

Typ.

Max.

Units

Test Conditions

Note 1:

Specification for packaged product only.

TEMPERATURE SPECIFICATIONS

Electrical Specifications:

unless otherwise specified, VIN = 12V; CVDDA= 2.2 µF, TA = +25°C.

Boldface

values indicate -40°C

 TJ  +125°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Temperature Ranges

Operating Ambient Junction Range

-40

—

+125

°C

Storage Temperature Range

-65

—

+150

°C

Maximum Junction Temperature

-40

—

+150

°C

Package Thermal Resistances

Thermal Resistance, 54 Lead,

6 mm x10 mm QFN

JA

—20

—

°C/W

See “MIC45404 Evaluation

Board User’s Guide”

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