MAX8952EWE datasheet(3/31 Pages) MAXIM

Part #	MAX8952EWE

Description	2.5A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP

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Manufacturer	MAXIM [Maxim Integrated Products]

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2.5A Step-Down Regulator

with Remote Sense in 2mm x 2mm WLP

_______________________________________________________________________________________

3

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VID0, VID1, EN Logic Input

Pulldown Resistor

Controlled by I

2C command:

VID0_PD = 1

VID1_PD = 1

EN_PD = 1

200

320

450

k

Ω

I2C INTERFACE

SDA Output Low Voltage

ISDA = 3mA

0.03

0.4

V

I

2C Clock Frequency

400

kHz

Bus-Free Time Between START

and STOP

tBUF

1.3

µs

Hold Time REPEATED START

Condition

tHD_STA

0.6

0.1

µs

SCL Low Period

tLOW

1.3

0.2

µs

SCL High Period

tHIGH

0.6

0.2

µs

Setup Time REPEATED START

Condition

tSU_STA

0.6

0.1

µs

SDA Hold Time

tHD_DAT

0

-0.01

µs

SDA Setup Time

tSU_DAT

0.1

0.05

µs

Setup Time for STOP Condition

tSU_STO

0.6

0.1

µs

STEP-DOWN DC-DC REGULATOR

FPWM_EN_ = 0, VOUT = 1.27V, no switching

54

80

µA

IN1 + IN2

Supply Current

FPWM_EN_ = 1, VOUT = 1.27V, fsw = 3.25MHz

9

mA

Minimum Output Capacitance

Required for Stability

VOUT = 0.77V to 1.40V,

IOUT = 0 to 2.5A

10

µF

OUT Voltage Range

10mV steps

0.770

1.400

V

Output Overvoltage Protection

Rising, 50mV hysteresis (typ)

1.65

1.8

1.9

V

ELECTRICAL CHARACTERISTICS (continued)

(VIN1 = VIN2 = 3.6V, VAGND = VPGND = 0V, VDD = 1.8V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =

+25°C.) (Note 2)

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