參數(shù)資料
型號: L6706
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, QCC40
封裝: 6 X 6 MM, ROHS COMPLIANT, VFQFPN-40
文件頁數(shù): 47/47頁
文件大?。?/td> 623K
代理商: L6706
L6706
Pins description and connection diagrams
Doc ID 15698 Rev 2
9/47
2.2
Thermal data
Table 3.
Thermal data
39
UGATE
HS driver output.
It must be connected to the HS MOSFET gate. A small series resistors helps in
reducing device-dissipated power.
40
BOOT
HS driver supply.
Connect through a capacitor (100 nF typ.) to PHASE and provide necessary
Bootstrap diode. A small resistor in series to the boot diode helps in reducing
Boot capacitor overcharge.
PAD
Thermal
PAD
Exposed pad connects 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 4.3 x 4.3 mm square area on the
PCB and with nine vias, to improve thermal conductivity.
Table 2.
Pin description (continued)
Name
Description
Symbol
Parameter
Value
Unit
RthJA
Thermal resistance junction to ambient
(Device soldered on 2s2p PC board)
35
°C / W
RthJC
Thermal resistance junction to case
1
°C / W
TMAX
Maximum junction temperature
150
°C
Tstg
Storage temperature range
-40 to 150
°C
TJ
Junction temperature range
-10 to 125
°C
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