L6713ATR 데이터 시트보기 (PDF) - STMicroelectronics

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L6713ATR

2/3 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6 bit CPUs

STMicroelectronics 

L6713A

Pin settings

Table 2. Pin description (continued)

N°

Pin

Function

Channel 2 LS driver supply.

It must be connected to others VCCDRx pins also when using 2-phase

56 VCCDR2 operation.

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

cap vs. PGND2.

Channel 3 LS driver supply.

57 VCCDR3 It must be connected to others VCCDRx pins.

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

cap vs. PGND3.

58

LGATE3

Channel 3 LS driver output. A small series resistor helps in reducing device-

dissipated power.

59 PGND3 Channel 3 LS driver return path. Connect to power ground plane.

60 PGND1 Channel 1 LS driver return path. Connect to power ground plane.

61

LGATE1

Channel 1 LS driver output. A small series resistor helps in reducing device-

dissipated power.

Channel 1 LS driver supply.

62 VCCDR1 It must be connected to others VCCDRx pins.

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

cap vs. PGND1.

Channel 1 HS driver return path.

63 PHASE1 It must be connected to the HS1 MOSFET source and provides return path for

the HS driver of channel 1.

64

N.C. Not internally connected.

Thermal pad connects the silicon substrate and makes good thermal contact

PAD

Thermal with the PCB to dissipate the power necessary to drive the external MOSFETs.

pad

Connect to the PGND plane with several VIAs to improve thermal conductivity.

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