MAX8688 Просмотр технического описания (PDF) - Maxim Integrated

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MAX8688

Digital Power-Supply Controller/Monitor with PMBus Interface

Maxim Integrated 

Digital Power-Supply Controller/Monitor

with PMBus Interface

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = VDVDD = 3.3V, TA = TJ = -40°C to +85°C, VRS+ - VRS- = 2V, VRS- = VAGND, unless otherwise stated.) (Note 3)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

RS- to AGND Differential Voltage

-250

+250

RS+ Input Bias Current

RS- Input Bias Current

OUTPUT CURRENT SENSE

2V range, VRS+ = -0.25V to +2V

-10

+15

5.5V range, VRS+ = -0.25V to +5.5V

-10

+60

2V or 5.5V range, VRS- = -0.25V to +0.25V -10

0

Current-Sense Accuracy (Note 4)

ISN+, ISN- Common-Mode Range

ISN+, ISN- Common-Mode

Current-Sense Error

VISN+ = 1V, VISN+ - VISN- = 20mV,

TA = +25°C to +85°C

VISN+ = 1V, VISN+ - VISN- = 20mV,

TA = -40°C to +85°C

VCM = 0 to 5.5V, VDM = 20mV

-2.6

+2.6

-7

+7

0

5.5

0.9

ISN+, ISN- Differential Mode

Range

-10

+40

ISN+, ISN- Input Bias Current

RS_C, ISN_C

RS_C, ISN_C Output Impedance

TEMPERATURE SENSING

Temperature Sensing Accuracy

CLKIO

CLKIO Input-Logic Low Voltage

CLKIO Input-Logic High Voltage

CLKIO Input Bias Current

CLKIO Input Clock Duty Cycle

CLKIO Output Low Voltage

CLKIO Output High Leakage

CLKIO Input/Output Clock Rise

Time

VISN+, VISN- to VAGND = 0V or 5.5V

Exposed pad = -40°C to +100°C

VCLKIO = 0V or 3.6V

fCLKIO = 100kHz to 2500kHz

CLKIO in output mode, ISINK = 4mA

VCLKIO = VDVDD = VAVDD = 3.6V

RPULLUP = 560Ω, CLOAD = 20pF

-20

+40

0.2

±3

0.8

2.1

-1

+1

20

80

0.4

-1

+1

20

CLKIO Input/Output Clock Fall

Time

RPULLUP = 560Ω, CLOAD = 20pF

2

UNITS

mV

µA

µA

%

V

%

mV

µA

kΩ

°C

V

V

µA

%

V

µA

ns

ns

CLKIO Pullup Voltage

DVDD

V

CLKIO Input Frequency

fEXT_CLK

CLKIO Output Frequency

Accuracy

ENOUT, FLT OPEN-DRAIN LOGIC OUTPUTS

ENOUT, FLT Output Low Voltage

ENOUT, FLT Output High Leakage

ENOUT, FLT Pullup Voltage

ISINK = 4mA

VENOUT = V FLT = 5.5V,

VDVDD = VAVDD = 3.6V

100

2500 kHz

0.95 1.00 1.05 MHz

0.4

V

-1

+1

µA

5.5

V

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