L6714 datasheet(11/70 Pages) STMICROELECTRONICS

11 / 70 page

L6714

Pin settings

11/70

SS_END/

PGOOD

SSEND - Intel Mode. Soft Start END Signal.

Open Drain Output set free after SS has finished and pulled low when triggering

any protection. Pull up to a voltage lower than 5V (typ), if not used it can be left

floating.

PGOOD - AMD Mode.

Open Drain Output set free after SS has finished and pulled low when VSEN is

lower than the relative threshold. Pull up to a voltage lower than 5V (typ), if not

used it can be left floating.

VR_HOT

Voltage Regulator HOT. Over Temperature Alarm Signal.

Open Drain Output, set free when TM overcomes the Alarm Threshold.

Thermal Monitoring Output enabled if Vcc > UVLOVCC.

See “Thermal monitor” Section for details and typical connections.

VR_FAN

Voltage Regulator FAN. Over Temperature Warning Signal.

Open Drain Output, set free when TM overcomes the Warning Threshold.

Thermal Monitoring Output enabled if Vcc > UVLOVCC.

See “Thermal monitor” Section for details and typical connections.

Thermal Monitor Input.

It senses the regulator temperature through apposite network and drives

VR_FAN and VR_HOT accordingly.Short TM pin to SGND if not used.

See “Thermal monitor” Section for details and typical connections.

SGND

All the internal references are referred to this pin. Connect to the PCB Signal

Ground.

VCCDR4

Channel 4 LS Driver Supply.

It must be connected to others VCCDRx pins.

LS Driver supply can range from 5Vbus up to 12Vbus, filter with 1µF MLCC cap

vs. PGND4.

LGATE4

Channel 4 LS Driver Output. A small series resistor helps in reducing device-

dissipated power.

PGND4

Channel 4 LS Driver return path. Connect to Power ground Plane.

PGND2

Channel 2 LS Driver return path. Connect to Power ground Plane.

LGATE2

Channel 2 LS Driver Output. A small series resistor helps in reducing device-

dissipated power.

VCCDR2

Channel 2 LS Driver Supply.

It must be connected to others VCCDRx pins.

LS Driver supply can range from 5Vbus up to 12Vbus, filter with 1µF MLCC cap

vs. PGND2.

VCCDR3

Channel 3 LS Driver Supply.

It must be connected to others VCCDRx pins.

LS Driver supply can range from 5Vbus up to 12Vbus, filter with 1µF MLCC cap

vs. PGND3.

LGATE3

Channel 3 LS Driver Output.A small series resistor helps in reducing device-

dissipated power.

PGND3

Channel 3 LS Driver return path. Connect to Power ground Plane.

Table 1.

Pin functions

N°

Function

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