L9679P datasheet(111/272 Pages) STMICROELECTRONICS

111 / 272 page

DocID029275 Rev 1

111/272

L9679P

SPI interfaces

271

0 No delay is applied

1 Delay is applied

VCCBCK_LS_ON_DELAY

VCCBuck low side activation delay

Updated by POR or SPI write

0 No delay is applied

1 Delay is applied

SATBCK_FORCE_F_SLOPE

SatBuck fast slope selection

Updated by POR or SPI write

0 Fast slope activation depends on VIN voltage

1 Fast slope is forced ON

SYBST_FORCE_F_SLOPE

SyncBoost fast slope selection

Updated by POR or SPI write

0 Fast slope activation depends on VIN voltage

1 Fast slope is forced ON

ERBST_FORCE_F_SLOPE

ER Boost fast slope selection

Updated by POR or SPI write

0 Fast slope activation depends on VIN voltage

1 Fast slope is forced ON

VCCBCK_PH_SEL[1:0]

VCCBuck phase shifting selection (if switching frequency is different respect

to another regulator, the phase shift between them is not guaranteed)

Updated by POR or SPI write

00 0 ns switching ON shift respect to t0

01 125 ns switching ON shift respect to t0

10 250 ns switching ON shift respect to t0

11 375 ns switching ON shift respect to t0

SATBCK_PH_SEL[1:0]

SatBuck phase shifting selection (if switching frequency is different respect to

another regulator, the phase shift between them is not guaranteed)

Updated by POR or SPI write

00 0 ns switching ON shift respect to t0

01 125 ns switching ON shift respect to t0

10 250 ns switching ON shift respect to t0

11 375 ns switching ON shift respect to t0

SYBST_PH_SEL[1:0]

SyncBoost phase shifting selection (if switching frequency is different respect

to another regulator, the phase shift between them is not guaranteed)

Updated by POR or SPI write

00 0 ns switching ON shift respect to t0

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