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| PIC18LF24K Datasheet, PDF (543/594 Pages) – | |||
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PIC18(L)F26/45/46K40
TABLE 37-6: THERMAL CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Param
No.
Sym.
Characteristic
Typ.
Units
Conditions
TH01
ï±JA Thermal Resistance Junction to Ambient
60
80
ï°C/W
ï°C/W
28-pin SPDIP package
28-pin SOIC package
90
ï°C/W 28-pin SSOP package
27.5
ï°C/W 28-pin UQFN 4x4 mm package
27.5
ï°C/W 28-pin QFN 6x6mm package
47.2
ï°C/W 40-pin PDIP package
46
ï°C/W 44-pin TQFP package
24.4
ï°C/W 44-pin QFN 8x8mm package
TH02
ï±JC Thermal Resistance Junction to Case
31.4
ï°C/W 28-pin SPDIP package
24
ï°C/W 28-pin SOIC package
24
ï°C/W 28-pin SSOP package
24
ï°C/W 28-pin UQFN 4x4mm package
24
ï°C/W 28-pin QFN 6x6mm package
24.7
ï°C/W 40-pin PDIP package
14.5
ï°C/W 44-pin TQFP package
20
ï°C/W 44-pin QFN 8x8mm package
TH03
TH04
TH05
TJMAX Maximum Junction Temperature
PD Power Dissipation
PINTERNAL Internal Power Dissipation
150
ï°C
â
W
PD = PINTERNAL + PI/O(3)
â
W
PINTERNAL = IDD x VDD(1)
TH06
TH07
PI/O
PDER
I/O Power Dissipation
Derated Power
â
W
PI/O = ï (IOL * VOL) + ï (IOH * (VDD - VOH))
â
W
PDER = PDMAX (TJ - TA)/ï±JA(2)
Note 1: IDD is current to run the chip alone without driving any load on the output pins.
2: TA = Ambient Temperature, TJ = Junction Temperature
3: See absolute maximum ratings for total power dissipation.
ï£ 2016 Microchip Technology Inc.
Preliminary
DS40001816C-page 543
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