參數(shù)資料
型號: L6788ATR
廠商: STMICROELECTRONICS
元件分類: 電源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝: 6 X 6 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFN-40
文件頁數(shù): 18/18頁
文件大?。?/td> 330K
代理商: L6788ATR
L6788A
Pins description and connection diagram
Doc ID 15341 Rev 2
9/18
38
VCC1_IC
Device supply voltage pin. The operative supply voltage is 12 V ± 10%.
Connect to 12 V_BUS and filter with RC network (R = 2.2 /0603 size, and
C=1x1 F MLCC capacitor vs. PGND).
39
LGATE1
Channel 1 LS driver output. Driver can support 12 V bus voltage.
A small series resistor helps in reducing device-dissipated power.
40
PHASE1
Channel 1 HS driver return path. Connected to the HS1 MOSFET source and
provides return path for the HS driver of channel 1.
41
PGND
Power ground pin (LS drivers return path). Connect to power ground plane.
Exposed pad connects also the silicon substrate. As a consequence it makes
a good thermal contact with the PCB to dissipate the power necessary to drive
the external MOSFETs. Connect it to the power ground plane using 4.2x4.2
mm square area on the PCB and with sixteen vias to improve electrical and
thermal conductivity.
Table 2.
Pin description (continued)
Pin n°
Name
Description
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