ST72521 STMICROELECTRONICS [STMicroelectronics], ST72521 Datasheet - Page 197
ST72521
Manufacturer Part Number
ST72521
Description
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST72521.pdf
(211 pages)
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13.2 THERMAL CHARACTERISTICS
Notes:
1. The power dissipation is obtained from the formula P
and P
2. The average chip-junction temperature can be obtained from the formula T
PORT
Symbol
T
R
Jmax
P
thJA
is the port power dissipation determined by the user.
D
Package thermal resistance (junction to ambient)
Power dissipation
Maximum junction temperature
1)
Ratings
D
=P
2)
INT
+P
PORT
TQFP80 14x14
TQFP64 14x14
TQFP64 10x10
where P
J
= T
INT
A
is the chip internal power (I
+ P
D
x RthJA.
Value
150
500
55
47
50
ST72521
°C/W
DD
Unit
mW
197/211
°C
xV
DD
)
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