MAX8649(2009) View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX8649
(Rev.:2009)

1.8A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP

Maxim Integrated 

1.8A Step-Down Regulator with Differential

Remote Sense in 2mm x 2mm WLP

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)

PARAMETER

VID0, VID1, EN Logic Input

Pulldown Resistor

I2C INTERFACE

SDA Output Low Voltage

I2C Clock Frequency

Bus-Free Time Between START

and STOP

CONDITIONS

Controlled by I2C command:

VID0_PD = 1

VID1_PD = 1

EN_PD = 1

ISDA = 3mA

tBUF

MIN TYP MAX UNITS

200

320

450

kΩ

0.03 0.4

V

400

kHz

1.3

µs

Hold Time Repeated START

Condition

tHD_STA

0.6

0.1

µs

SCL Low Period

SCL High Period

tLOW

tHIGH

1.3

0.2

µs

0.6

0.2

µs

Setup Time Repeated START

Condition

tSU_STA

0.6

0.1

µs

SDA Hold Time

tHD_DAT

SDA Setup Time

tSU_DAT

Setup Time for STOP Condition tSU_STO

STEP-DOWN DC-DC REGULATOR

0

-0.01

µs

0.1

0.05

µs

0.6

0.1

µs

IN1 + IN2

Supply Current

Minimum Output Capacitance

Required for Stability

OPERATION_MODE_ = 0, VOUT = 1.27V, no switching

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

VOUT = 0.75V to 1.38V,

IOUT = 0 to 1.8A

54

70

µA

9

mA

10

µF

OUT Voltage Range

10mV steps

0.750

1.380

V

Output Overvoltage Protection Rising, 50mV hysteresis (typ)

1.65

1.8

1.9

V

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