RT9173 RICHTEK [Richtek Technology Corporation], RT9173 Datasheet - Page 7

• Manufacturer Part Number: RT9173
• Description: 1.5A/3A Bus Termination Regulator
• Manufacturer: RICHTEK [Richtek Technology Corporation]

To prevent this maximum junction temperature from
being exceeded, the appropriate power plane heat
sink MUST be used. Higher continuous currents or
ambient temperature require additional heatsinking.
DS9173/A-06 March 2002
Use vias to conduct the heat into the
Use vias to conduct the heat into the
buried or backside of PCB layer .
buried or backside of PCB layer .
The PCB heat sink copper area should be
The PCB heat sink copper area should be
solder-painted without masked. This
solder-painted without masked. This
approaches a “best case” pad heat sink.
approaches a “best case” pad heat sink.
RT9173CS (SOP-8)
RT9173CS (SOP-8)
Fig. 6 Layout Consideration
RT9173/A
www.richtek-ic.com.tw
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