88e3016 Marvell Semiconductor, Inc., 88e3016 Datasheet - Page 80

• Manufacturer Part Number: 88e3016
• Description: Integrated 10/100 Fast Ethernet Transceiver
• Manufacturer: Marvell Semiconductor, Inc.

4.3 Package Thermal Information
4.3.1 88E3016 Device 64-Pin QFN package
Doc. No. MV-S103164-00, Rev. --
Page 80
Symb ol
θ
θ
θ
JA
JC
JB
ψ
1. Refer to white paper TJ Thermal Calculations for more information.
JT
Para meter
Thermal resistance -
junction to
ambient of the 64-Pin
QFN package
θ
P = Total Power Dissipa-
tion
Thermal characteristic
parameter
top center of the 64-Pin
QFN package
ψ
P = Total Power Dissipa-
tion
Thermal resistance
junction to case for the
64-Pin QFN package
θ
PTop = Power Dissipa-
tion from the top of the
package
Thermal resistance
junction to board for the
64-Pin QFN package
θ
P
tion from the bottom of
the package to the PCB
surface.
JA
JC
JB
bottom
JT
= (T
= (T
= (T
= (T
= power dissipa-
88E3016
Integrated 10/100 Fast Ethernet Transceiver
J
J
J
J
-T
- T
- T
1
- T
- junction to
C
A)
B
C
)/P.
)/ P
)/ PTop
/ P
bottom
1
1
Document Classification: Proprietary Information
-
-
Con di ti on
JEDEC 3 in. x 4.5 in. 4-layer
PCB with no air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 1 meter/sec air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 2 meter/sec air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 3 meter/sec air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with no air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 1 meter/sec air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 2 meter/sec air flow
JEDEC 3 in. x 4.5 in. 4-layer
PCB with 3 meter/sec air flow
JEDEC with no air flow
JEDEC with no air flow
CONFIDENTIAL
Min
Typ
32.40
28.60
27.40
26.70
17.30
21.10
0.52
0.89
1.12
1.26
Copyright © 2006 Marvell
May 4, 2006, Advance
Max
Un its
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W