L6714 datasheet(15/70 Pages) STMICROELECTRONICS

15 / 70 page

L6714

Electrical characteristics

15/70

Reference and DAC

kVID

Output voltage accuracy

Intel mode

VID = 1.000V to VID = 1.600V

FBR = VOUT; FBG = GNDOUT

-0.5

0.5

AMD mode

VID=1.000V to VID = 1.550V

FBR = VOUT; FBG = GNDOUT

-0.6

0.6

REF

Reference accuracy

AMD mode; respect VID

-10

VBOOT

Boot voltage

Intel mode

1.081

IVID

VID Pull-up current

Intel mode; VIDx to SGND

µA

VID Pull-down current

AMD mode; VIDx to 5.4V

12.5

µA

VIDIL

VID thresholds

Intel mode; Input Low

AMD mode; Input Low

0.3

0.8

VIDIH

Intel mode; Input High

AMD mode; Input High

0.8

1.35

VID_SEL

VID_SEL threshold

(Intel mode)

Input low

Input high

0.8

0.3

Error amplifier and remote buffer

EA DC gain

EA slew rate

COMP = 10pF to SGND

µs

RB DC gain

V/V

CMRR

Remote buffer common mode

rejection ratio

Differential current sensing and offset

ICSx+

Bias current

LS sense

Inductor sense

µA

Current sense mismatch

Rg = 1k

Ω; IINFOx = 25µA

-3

IOCTH

Over current threshold

ICSx-(OCP) - ICSx-(0)

µA

kIDROOP

Droop current deviation from

nominal value

OFFSET = SGND; Rg = 1k

Ω

IDROOP = 0 to 80µA;

-2

µA

KIOFFSET

Offset current accuracy

IOFFSET = 50µA to 250µA-8

IOFFSET

OFFSET current range

250

µA

VOFFSET

OFFSET pin bias

IOFFSET = 0 to 250µA1.240

Table 4.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

INFOx

AVG

–

AVG

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