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TMS570LS3137 Datasheet(PDF) 46 Page - Texas Instruments |
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TMS570LS3137 Datasheet(HTML) 46 Page - Texas Instruments |
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46 / 173 page ![]() TMS570LS3137 SPNS162C – APRIL 2012 – REVISED APRIL 2015 www.ti.com 5.9 Thermal Resistance Characteristics Table 5-2 shows the thermal resistance characteristics for the QFP - PGE mechanical package. Table 5-3 shows the thermal resistance characteristics for the BGA - ZWT mechanical package. Table 5-2. Thermal Resistance Characteristics (PGE Package) °C / W Junction-to-free air thermal resistance, Still air using JEDEC 2S2P test R ΘJA 39 board R ΘJB Junction-to-board thermal resistance 26.3 R ΘJC Junction-to-case thermal resistance 6.7 ΨJT Junction-to-package top, Still air 0.10 Table 5-3. Thermal Resistance Characteristics (ZWT Package) °C / W Junction-to-free air thermal resistance, Still air (includes 5x5 thermal via R ΘJA 18.8 cluster in 2s2p PCB connected to 1st ground plane) R ΘJB Junction-to-board thermal resistance 14.1 R ΘJC Junction-to-case thermal resistance 7.1 Junction-to-package top, Still air (includes 5x5 thermal via cluster in 2s2p ΨJT 0.33 PCB connected to 1st ground plane) 46 Specifications Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback |
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