参数资料
型号: STM32F103VBT6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, LQFP-100
文件页数: 72/79页
文件大小: 1124K
代理商: STM32F103VBT6
Package characteristics
STM32F103xx
6.1
Thermal characteristics
The average chip-junction temperature, TJ, in degrees Celsius, may be calculated using the
following equation:
TJ = TA + (PD x ΘJA)
(1)
Where:
TA is the Ambient Temperature in ° C,
Θ
JA is the Package Junction-to-Ambient Thermal Resistance, in ° C/W,
PD is the sum of PINT and PI/O (PD = PINT + PI/O),
PINT is the product of IDD and VDD, expressed in Watts. This is the Chip Internal Power.
PI/O represents the Power Dissipation on Input and Output Pins;
Most of the time for the application PI/O< PINT and can be neglected. On the other hand, PI/O
may be significant if the device is configured to drive continuously external modules and/or
memories.
An approximate relationship between PD and TJ (if PI/O is neglected) is given by:
PD = K / (TJ + 273 °C)
(2)
Therefore (solving equations 1 and 2):
K = PD x (TA + 273°C) + ΘJA x PD
2
(3)
where:
K is a constant for the particular part, which may be determined from equation (3) by
measuring PD (at equilibrium) for a known TA. Using this value of K, the values of PD and TJ
may be obtained by solving equations (1) and (2) iteratively for any value of TA.
Table 52.
Thermal characteristics
Symbol
Parameter
Value
Unit
Θ
JA
Thermal resistance junction-ambient
LFBGA100 - 10 x 10 mm / 0.5 mm pitch
41
°C/W
Thermal resistance junction-ambient
LQFP100 - 14 x 14 mm / 0.5 mm pitch
46
Thermal Resistance Junction-Ambient
LQFP64 - 10 x 10 mm / 0.5 mm pitch
45
Thermal resistance junction-ambient
LQFP48 - 7 x 7 mm / 0.5 mm pitch
55
相关PDF资料
PDF描述
STM32F103V8H6 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, PBGA100
ST72P321B(R9)TBXXXE 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP64
ST72P321B(R7)TCXXXE 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP64
ST72P321B(J9)TBXXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
ST72P321B(J6)TCXXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
相关代理商/技术参数
参数描述
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