MIC24045 datasheet(6/46 Pages) MICROCHIP

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MIC24045

DS20005568A-page 6

 2016 Microchip Technology Inc.

Output Voltage Accuracy for

Range 3 and 4

OutErr34

-1.5

—

1.5

4.75V

 VIN  19V for

VOUT = 1.98V to 3.42V,

 VIN  19V for VOUT = 4.75V to

5.25V,

TA =TJ = -40°C to +125°C,

IOUT =0A

Load Regulation

LoadReg

—

0.2

—

IOUT = 0A to 5A, VOUT =3.3V

Line Regulation

LineReg

—

0.1

—

6V < VIN <19V, IOUT = 2A

Internal Soft-Start

Reference Soft-Start

Slew Rate 0

SS_SR0

—

0.16

—

V/ms

VOUT = 0.64 to 1.28V

Reference Soft-Start

Slew Rate 1

SS_SR1

—

0.38

V/ms

VOUT = 0.64 to 1.28V

Reference Soft-Start

Slew Rate 2

SS_SR2

—

0.76

V/ms

VOUT = 0.64 to 1.28V

Reference Soft-Start

Slew Rate 3

SS_SR3

—

1.5

V/ms

VOUT = 0.64 to 1.28V

Power Good (PG)

PG Low Voltage

PG_VOL

—0.18

0.4

VI(PG) =4 mA

PG Leakage Current

PG_ILEAK

-1

0.02

µA

VPG =5V

PG Rise Threshold

PG_R

92.5

%VOUT Rising

PG Fall Threshold

PG_F

87.5

92.5

%VOUT Falling

PG Rise Delay

PG_R_DLY

—

0.45

—

VOUT Rising

PG Fall Delay

PG_F_DLY

—

µs

VOUT Falling

Thermal Shutdown

TSHDN

—

160

—

°C

Thermal-Shutdown Hysteresis

TSHDN_HYST

—25—

°C

Thermal Warning Threshold

TThWrn

—

120

—

°C

Efficiency

—82.3—

VIN = 12V, VOUT =0.9V, IOUT =2A,

fS = 400 kHz, L = 1.2 µH,

TA =+25°C

I2C Interface

SDA, SCL VIH

VIH

2—

—

VDDA = 5V (levels are 3.3V

compatible)

SDA, SCL VIL

VIL

——

VDDA = 5V (levels are 3.3V

compatible)

SDA, SCL Input High/Low

Current

IIH, IIL

-1

—

µA

SDA Output Low Voltage

VOL

——

0.4

ISDA =3 mA

ELECTRICAL CHARACTERISTICS (Note 1)

Electrical Specifications:

unless otherwise specified, VIN =VINLDO = 12V; CVDDA =2.2 µF, CVDDP =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.

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