GC5330IZEV Datasheet, PDF (9/49 Pages) Texas Instruments – Wideband Transmit-Receive Digital Signal Processors

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GC5330
GC5337
SLWS226 B – DECEMBER 2010 – REVISED JANUARY 2011
THERMAL INFORMATION
GC5330
THERMAL METRIC
ZEV
UNIT
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
Junction-to-ambient thermal resistance⁽¹⁾
Junction-to-case (top) thermal resistance⁽²⁾
Junction-to-board thermal resistance⁽³⁾
Junction-to-top characterization parameter⁽⁴⁾
Junction-to-board characterization parameter⁽⁵⁾
Junction-to-case (bottom) thermal resistance⁽⁶⁾
484 PINS
15.4
2.1
7.6
0.5
7.5
N/A
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
(1) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as
specified in JESD51-7, in an environment described in JESD51-2a.
(2) The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the package top. No specific
JEDEC-standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.
(3) The junction-to-board thermal resistance is obtained by simulating in an environment with a ring cold plate fixture to control the PCB
temperature, as described in JESD51-8.
(4) The junction-to-top characterization parameter, ψ_JT, estimates the junction temperature of a device in a real system and is extracted
from the simulation data for obtaining θ_JA, using a procedure described in JESD51-2a (sections 6 and 7).
(5) The junction-to-board characterization parameter, ψ_JB, estimates the junction temperature of a device in a real system and is extracted
from the simulation data for obtaining θ_JA , using a procedure described in JESD51-2a (sections 6 and 7).
(6) The junction-to-case (bottom) thermal resistance is obtained by simulating a cold plate test on the exposed (power) pad. No specific
JEDEC standard test exists, but a close description can be found in the ANSI SEMI standard G30-88.
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