MAX20029BATIBV datasheet(4/17 Pages) MAXIM

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(VA = VPV1 = VPV2 = VPV3 = VPV4 = 5.0V; TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C under

normal conditions, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Spread Spectrum

Df/f

Spread-spectrum option = enabled

(see the Selector Guide)

SYNC Input Frequency Range

fSYNC

1.7

2.5

MHz

SYNCHRONOUS STEP-DOWN DC-DC CONVERTERS (OUT1–OUT4) MAX20029D

Fixed DC Output Accuracy

ILOAD = 0mA

+1.5

ILOAD = 0mA to IMAX

-3

ILOAD = 0mA to 1.0A (MAX20029C/

MAX20029D)

-3

ILOAD = 0mA to 1.0A at 125°C

(MAX20029C/MAX20029D)

-3

+3.2

ILOAD = 0mA to 1.5A (MAX20029C/

MAX20029D)

-3.75

ILOAD = 0mA to 1.5A at 125°C

(MAX20029C)

-3.75

+3.2

FB DC Set-Point Accuracy

VSFB_

ILOAD = 0mA (MAX20029/

MAX20029B)

1015

ILOAD = 0mA to IMAX (MAX20029/

MAX20029B)

970

1030

Load Regulation

MAX20029

MAX20029B/

MAX20029D

(OUT3,OUT4)

MAX20029C

Per 1A of load

-1.5

MAX20029B/

MAX20029D

(OUT1)

Per 2A of load

-1.5

Line Regulation

ILOAD = IMAX/2, VPV_ = 4.5V to 5.5V

+0.3

pMOS On-Resistance

VPV_ = 5.0V, ILX_ = 0.2A

125

250

mΩ

nMOS On-Resistance

VPV_ = 5.0V, ILX_ = 0.2A

100

200

mΩ

MAX20029/MAX20029B/

MAX20029C/MAX20029D

Automotive Quad/Triple Low-Voltage

Step-Down DC-DC Converters

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

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